S-1142A/B Series
www.ablic.com
www.ablicinc.com
HIGH-WITHSTAND VOLTAGE LOW CURRENT CONSUMPTION
LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.4.2_02
© ABLIC Inc., 2009-2014
The S-1142A/B Series, developed by using high-withstand voltage CMOS technology, is a positive voltage regulator with a
high-withstand voltage, low current consumption, and high-accuracy output voltage.
The S-1142A/B Series operates at a high maximum operating voltage of 50 V and a low current consumption of 4.0 A typ.
In addition to a built-in low on-resistance transistor which provides a very small dropout voltage and a large output current,
this voltage regulator also has a built-in ON / OFF circuit.
An overcurrent protection circuit prevents the load current from exceeding the capacitance of the output transistor, and a
built-in thermal shutdown circuit prevents damage caused by heat.
A high heat radiation HSOP-6 package enables high-density mounting.
Features
Output voltage:
Input voltage:
Output voltage accuracy:
Current consumption:
Output current:
Input and output capacitors:
Built-in overcurrent protection circuit:
Built-in thermal shutdown circuit:
Built-in ON / OFF circuit:
Operation temperature range:
Lead-free (Sn 100%), halogen-free
2.0 V to 15.0 V, selectable in 0.1 V step
3.0 V to 50 V
1.0% (Tj =25C)
3.0% (Tj = 40C to 105C)
During operation: 4.0 A typ., 9.0 A max. (Ta = 40C to 85C)
During power-off: 0.1 A typ., 1.0 A max. (Ta = 40C to 85C)
Possible to output 200 mA (VIN VOUT(S) 2.0 V)*1
A ceramic capacitor of 0.1 F or more can be used.
Limits overcurrent of output transistor.
Prevents damage caused by heat.
Ensures long battery life.
Ta = 40°C to 85°C
*1. Attention should be paid to the power dissipation of the package when the output current is large.
Application
Constant-voltage power supply for home electric appliance
Package
HSOP-6
1
HIGH-WITHSTAND VOLTAGE LOW CURRENT CONSUMPTION LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.4.2_02
S-1142A/B Series
Block Diagram
*1
VIN
VOUT
Overcurrent
protection circuit
Thermal shutdown circuit
ON / OFF circuit
ON / OFF
Reference
voltage circuit
VSS
*1.
Parasitic diode
Figure 1
2
HIGH-WITHSTAND VOLTAGE LOW CURRENT CONSUMPTION LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.4.2_02
S-1142A/B Series
Product Name Structure
Users can select the product type and output voltage for the S-1142A/B Series. Refer to "1. Product name"
regarding the contents of product name, "2. Package" regarding the package drawings and "3. Product name list"
for details of product names.
1.
Product name
S-1142
x
xx
I
-
E6T1
U
Environmental code
U:
Lead-free (Sn 100%), halogen-free
*1
Package abbreviation and IC packing specifications
E6T1: HSOP-6, Tape
Operation temperature
I:
Ta = 40C to 85C
Output voltage
20 to F0
(e.g., when the output voltage is 2.0 V, it is expressed as 20.
when the output voltage is 10 V, it is expressed as A0.
when the output voltage is 11 V, it is expressed as B0.
when the output voltage is 12 V, it is expressed as C0.
when the output voltage is 15 V, it is expressed as F0.)
*2
Product type
A:
ON / OFF pin negative logic
B:
ON / OFF pin positive logic
*1.
*2.
Refer to the tape drawing.
Refer to "3. ON / OFF pin" in " Operation".
Remark When overshoot of the S-1142A/B Series has some influences, consider to use the S-1142C/D Series.
Refer to "6. Overshoot of output voltage" in " Operation" regarding details of overshoot.
2.
Package
Table 1
Package Name
HSOP-6
Dimension
FH006-A-P-SD
Package Drawing Codes
Tape
FH006-A-C-SD
Reel
FH006-A-R-SD
Land
FH006-A-L-SD
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HIGH-WITHSTAND VOLTAGE LOW CURRENT CONSUMPTION LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.4.2_02
S-1142A/B Series
3.
Product name list
Table 2
Output Voltage
Remark
4
HSOP-6
S-1142B20I-E6T1U
2.0 V 1.0%
S-1142B25I-E6T1U
2.5 V 1.0%
S-1142B27I-E6T1U
2.7 V 1.0%
S-1142B28I-E6T1U
2.8 V 1.0%
S-1142B2JI-E6T1U
2.85 V 1.0%
S-1142B30I-E6T1U
3.0 V 1.0%
S-1142B32I-E6T1U
3.2 V 1.0%
S-1142B33I-E6T1U
3.3 V 1.0%
S-1142B35I-E6T1U
3.5 V 1.0%
S-1142B37I-E6T1U
3.7 V 1.0%
S-1142B40I-E6T1U
4.0 V 1.0%
S-1142B50I-E6T1U
5.0 V 1.0%
S-1142B80I-E6T1U
8.0 V 1.0%
S-1142BC0I-E6T1U
12.0 V 1.0%
S-1142BC5I-E6T1U
12.5 V 1.0%
S-1142BF0I-E6T1U
15.0 V 1.0%
Please contact our sales office for products with an output voltage
other than those listed above or type A products.
HIGH-WITHSTAND VOLTAGE LOW CURRENT CONSUMPTION LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.4.2_02
S-1142A/B Series
Pin Configuration
1.
HSOP-6
Top view
6
1
5
2
Figure 2
Table 3
4
3
Pin No.
Symbol
Description
1
VOUT
Output voltage pin
2
VSS
GND pin
3
ON / OFF
ON / OFF pin
4
NC*1
No connection
5
VSS
GND pin
6
VIN
Input voltage pin
*1. The NC pin is electrically open.
The NC pin can be connected to the VIN pin or the VSS pin.
5
HIGH-WITHSTAND VOLTAGE LOW CURRENT CONSUMPTION LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.4.2_02
S-1142A/B Series
Absolute Maximum Ratings
Table 4
Item
Symbol
VIN
Input voltage
(Ta = 25C unless otherwise specified)
Absolute Maximum Rating
Unit
VSS0.3 to VSS60
V
VON / OFF
VSS0.3 to VIN0.3
Output voltage
VOUT
VSS0.3 to VIN0.3
V
Power dissipation
PD
1900*1
mW
Junction temperature
Tj
40 to125
C
Operation ambient temperature
Topr
40 to85
C
Storage temperature
Tstg
40 to125
C
*1. When mounted on board
[Mounted board]
(1) Board size:
(2) Board material:
(3) Wiring ratio:
(4) Test conditions:
(5) Land pattern:
V
50 mm 50 mm t1.6 mm
Glass epoxy resin (two layers)
50%
When mounted on board (wind speed: 0 m/s)
Refer to the recommended land pattern (drawing code: FH006-A-L-SD)
Caution The absolute maximum ratings are rated values exceeding which the product could suffer physical
damage. These values must therefore not be exceeded under any conditions.
Power dissipation (PD) [mW]
2400
2000
1600
1200
800
400
0
Figure 3
0
150
100
50
Ambient temperature (Ta) [C]
Power Dissipation of Package (When Mounted on Board)
Table 5
Condition
HSOP-6 (When mounted on board)
6
Power Dissipation
1900 mW
Thermal Resistance Value (j a)
53°C/W
HIGH-WITHSTAND VOLTAGE LOW CURRENT CONSUMPTION LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.4.2_02
S-1142A/B Series
Power dissipation of HSOP-6 (reference)
Package power dissipation differs depending on the mounting conditions.
The power dissipation characteristics under the following test conditions should be taken as reference values only.
[Mounted board]
(1) Board size:
(2) Board material:
(3) Wiring ratio:
(4) Test conditions:
(5) Land pattern:
50 mm 50 mm t1.6 mm
Glass epoxy resin (two layers)
90%
When mounted on board (wind speed: 0 m/s)
Refer to the recommended land pattern (drawing code: FH006-A-L-SD)
Power dissipation (PD) [mW]
2400
2000
1600
1200
800
400
0
Figure 4
0
150
100
50
Ambient temperature (Ta) [C]
Power Dissipation of Package (When Mounted on Board)
Table 6
Condition
HSOP-6 (When mounted on board)
Power Dissipation (Reference)
2000 mW
Thermal Resistance Value (j a)
50°C/W
7
HIGH-WITHSTAND VOLTAGE LOW CURRENT CONSUMPTION LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.4.2_02
S-1142A/B Series
Electrical Characteristics
Item
Symbol
Output voltage*1
Output current
*2
VOUT(E)
IOUT
Table 7
(Tj = 40°C to 125°C, Ta = 40°C to 85°C unless otherwise specified)
Test
Condition
Min.
Typ.
Max. Unit
Circuit
VOUT(S)
VOUT(S)
VIN = VOUT(S)1.0 V,
VOUT(S)
V
1
0.97
1.03
IOUT = 30 mA, 40°C Tj 105°C
VIN VOUT(S)2.0 V
IOUT = 100 mA
Ta =25°C
Dropout voltage*3
Vdrop
IOUT = 200 mA
Ta =25°C
Line regulation
Load regulation
Current consumption
during operation
Current consumption
during power-off
Input voltage
ON / OFF pin input
voltage "H"
ON / OFF pin input
voltage "L"
ON / OFF pin input
current "H"
ON / OFF pin input
current "L"
VOUT1
VIN VOUT
VOUT2
ISS1
ISS2
VIN
VSH
VSL
2.0 V VOUT(S) < 2.2 V
2.2 V VOUT(S) < 2.4 V
2.4 V VOUT(S) < 2.6 V
2.6 V VOUT(S) < 3.0 V
3.0 V VOUT(S) < 3.5 V
3.5 V VOUT(S) < 4.0 V
4.0 V VOUT(S) < 5.0 V
5.0 V VOUT(S) < 7.0 V
7.0 V VOUT(S) < 9.0 V
9.0 V VOUT(S) 15.0 V
2.0 V VOUT(S) < 2.2 V
2.2 V VOUT(S) < 2.4 V
2.4 V VOUT(S) < 2.6 V
2.6 V VOUT(S) < 3.0 V
3.0 V VOUT(S) < 3.5 V
3.5 V VOUT(S) < 4.0 V
4.0 V VOUT(S) < 5.0 V
5.0 V VOUT(S) < 7.0 V
7.0 V VOUT(S) < 9.0 V
9.0 V VOUT(S) 15.0 V
VOUT(S)1.0 V VIN 30 V, IOUT = 30 mA
VIN = VOUT(S)1.0 V, 2.0 V VOUT(S) < 5.1 V,
0.1 mA IOUT 40 mA
VIN = VOUT(S)1.0 V, 5.1 V VOUT(S) < 12.1 V,
0.1 mA IOUT 40 mA
VIN = VOUT(S) 1.0 V, 12.1 V VOUT(S) 15.0 V,
0.1 mA IOUT 40 mA
VIN = VOUT(S) 1.0 V,
ON / OFF pin = ON, no load
VIN = VOUT(S) 1.0 V,
ON / OFF pin = OFF, no load
VIN = VOUT(S) 1.0 V, RL = 1.0 k,
determined by VOUT output level
VIN = VOUT(S)1.0 V, RL = 1.0 k,
determined by VOUT output level
200*4
1.0
0.8
0.6
0.45
0.35
0.3
0.27
0.23
0.2
0.18
1.12
1.02
0.92
0.82
0.72
0.62
0.55
0.5
0.45
0.4
mA
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
3
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0.05
0.3
%/V
1
20
40
mV
1
20
60
mV
1
20
80
mV
1
4.0
9.0
A
2
0.1
1.0
A
2
3.0
50
V
1.5
V
4
0.3
V
4
ISH
VIN = VOUT(S)1.0 V, VON / OFF = VOUT(S)1.0 V
0.1
0.1
A
4
ISL
VIN = VOUT(S)1.0 V, VON / OFF = 0 V
0.1
0.1
A
4
Ripple rejection
|RR|
VIN = VOUT(S)1.0 V,
f = 100 Hz,
Vrip = 0.5 Vrms,
IOUT = 30 mA,
Ta = 25°C
50
45
40
35
30
dB
dB
dB
dB
dB
5
5
5
5
5
Short-circuit current
Ishort
2.0 V VOUT(S) < 2.3 V
2.3 V VOUT(S) < 3.6 V
3.6 V VOUT(S) < 6.1 V
6.1 V VOUT(S) < 10.1 V
10.1 V VOUT(S) 15.0 V
VIN = VOUT(S)1.0 V, ON / OFF pin = ON,
VOUT = 0 V, Ta = 25C
80
mA
3
TSD
Junction temperature
150
C
TSR
Junction temperature
125
C
Thermal shutdown
detection temperature
Thermal shutdown
release temperature
8
HIGH-WITHSTAND VOLTAGE LOW CURRENT CONSUMPTION LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.4.2_02
S-1142A/B Series
*1.
*2.
*3.
*4.
VOUT(S): Set output voltage
VOUT(E): Actual output voltage
The output voltage when fixing IOUT (= 30 mA) and inputting VOUT(S)1.0 V
The output current at which the output voltage becomes 95% of VOUT(E) after gradually increasing the output current.
Vdrop = VIN1 (VOUT3 0.98)
VOUT3 is the output voltage when VIN = VOUT(S)2.0 V, and IOUT = 100 mA or 200 mA.
VIN1 is the input voltage at which the output voltage becomes 98% of VOUT3 after gradually decreasing the input
voltage.
The output current can be at least this value.
Due to limitation of the package power dissipation, this value may not be satisfied. Attention should be paid to the
power dissipation of the package when the output current is large.
This specification is guaranteed by design.
9
HIGH-WITHSTAND VOLTAGE LOW CURRENT CONSUMPTION LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.4.2_02
S-1142A/B Series
Test Circuits
VIN
VOUT
ON / OFF
V
VSS
A
Set to ON
Figure 5
A
VIN
Test Circuit 1
VOUT
ON / OFF
VSS
Set to VIN or GND
Figure 6
VIN
Test Circuit 2
VOUT
ON / OFF
VSS
A
V
Set to ON
Figure 7
VIN
A
Test Circuit 3
VOUT
ON / OFF
VSS
Figure 8
VIN
RL
VOUT
VSS
Set to ON
10
Test Circuit 4
ON / OFF
Figure 9
V
Test Circuit 5
V
RL
HIGH-WITHSTAND VOLTAGE LOW CURRENT CONSUMPTION LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.4.2_02
S-1142A/B Series
Standard Circuit
Input
Output
VOUT
VIN
CIN
*1
ON / OFF
VSS
Single GND
CL
*2
GND
*1. CIN is a capacitor for stabilizing the input.
*2. A ceramic capacitor of 0.1 F or more can be used as CL.
Figure 10
Caution The above connection diagram and constants will not guarantee successful operation. Perform
thorough evaluation using an actual application to set the constants.
Condition of Application
Input capacitor (CIN):
Output capacitor (CL):
0.1 F or more
0.1 F or more
Caution Generally a series regulator may cause oscillation, depending on the selection of external parts.
Confirm that no oscillation occurs in the application for which the above capacitors are used.
Selection of Input and Output Capacitors (CIN, CL)
The S-1142A/B Series requires an output capacitor between the VOUT pin and the VSS pin for phase compensation.
Operation is stabilized by a ceramic capacitor with an output capacitance of 0.1 F or more over the entire temperature
range. When using an OS capacitor, a tantalum capacitor, or an aluminum electrolytic capacitor, the capacitance must
be 0.1 F or more.
The values of output overshoot and undershoot, which are transient response characteristics, vary depending on the
value of the output capacitor.
The required value of capacitance for the input capacitor differs depending on the application.
Set the value for input capacitor (CIN) and output capacitor (CL) as follows.
CIN0.1F
CL0.1F
Caution
Define the capacity values of CIN and CL by sufficient evaluation including the temperature
characteristics under the actual usage conditions.
11
HIGH-WITHSTAND VOLTAGE LOW CURRENT CONSUMPTION LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.4.2_02
S-1142A/B Series
Explanation of Terms
1.
Low dropout voltage regulator
This voltage regulator has the low dropout voltage due to its built-in low on-resistance transistor.
2.
Output voltage (VOUT)
The accuracy of the output voltage is ensured at 3.0% under specified conditions of fixed input voltage*1, fixed
output current, and fixed temperature.
*1. Differs depending on the product.
Caution If the above conditions change, the output voltage value may vary and exceed the accuracy range
of the output voltage. Refer to " Electrical Characteristics" and " Characteristics (Typical Data)"
for details.
3.
VOUT1
VIN VOUT
Line regulation
Indicates the dependency of the output voltage against the input voltage. That is, the value shows how much the
output voltage changes due to a change in the input voltage after fixing output current constant.
4.
Load regulation (VOUT2)
Indicates the dependency of the output voltage against the output current. That is, the value shows how much the
output voltage changes due to a change in the output current after fixing input voltage constant.
5.
Dropout voltage (Vdrop)
Indicates the difference between input voltage (VIN1) and the output voltage when; decreasing input voltage (VIN)
gradually until the output voltage has dropped out to the value of 98% of output voltage (VOUT3), which is at VIN =
VOUT(S) 2.0 V.
Vdrop = VIN1 (VOUT3 0.98)
12
HIGH-WITHSTAND VOLTAGE LOW CURRENT CONSUMPTION LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.4.2_02
S-1142A/B Series
Operation
1.
Basic operation
Figure 11 shows the block diagram of the S-1142A/B Series.
The error amplifier compares the reference voltage (Vref) with feedback voltage (Vfb), which is the output voltage
resistance-divided by feedback resistors (Rs and Rf). It supplies the gate voltage necessary to maintain the constant
output voltage which is not influenced by the input voltage and temperature change, to the output transistor.
VIN
*1
Current
supply
Error
amplifier
Vref
VOUT
Rf
Vfb
Reference voltage
circuit
Rs
VSS
*1.
Parasitic diode
Figure 11
2.
Output transistor
In the S-1142A/B Series, a low on-resistance P-channel MOS FET is used as the output transistor.
Be sure that VOUT does not exceed VIN0.3 V to prevent the voltage regulator from being damaged due to reverse
current flowing from the VOUT pin through a parasitic diode to the VIN pin, when the potential of VOUT became
higher than VIN.
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HIGH-WITHSTAND VOLTAGE LOW CURRENT CONSUMPTION LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.4.2_02
S-1142A/B Series
3.
ON / OFF pin
This pin starts and stops the regulator.
When the ON / OFF pin is set to the OFF level, the entire internal circuit stops operating, and the built-in P-channel
MOS FET output transistor between the VIN pin and the VOUT pin is turned off, reducing current consumption
significantly. The VOUT pin is set to the VSS level by the internal dividing resistor of several M between the VOUT
pin and the VSS pin.
Note that the current consumption increases when a voltage of 0.3 V to VIN 0.3 V is applied to the ON / OFF pin.
The ON / OFF pin is configured as shown in Figure 12. Since the ON / OFF pin is neither pulled down nor pulled up
internally, do not use it in the floating status. When not using the ON / OFF pin, connect it to the VSS pin in the
product A type, and connect it to the VIN pin in the B type.
Table 8
Product Type
A
A
B
B
ON / OFF Pin
Internal Circuit
VOUT Pin Voltage
Current Consumption
"L": ON
"H": OFF
"L": OFF
"H": ON
Operate
Stop
Stop
Operate
Set value
VSS level
VSS level
Set value
ISS1
ISS2
ISS2
ISS1
VIN
ON / OFF
VSS
Figure 12
4.
Overcurrent protection circuit
The S-1142A/B Series includes an overcurrent protection circuit which having the characteristics shown in
"1. Output voltage vs. Output current (When load current increases) (Ta = 25C)" in " Characteristics
(Typical Data)", in order to protect the output transistor against an excessive output current and short circuiting
between the VOUT pin and the VSS pin. The current when the output pin is short-circuited (Ishort) is internally set at
approx. 80 mA typ., and the normal value is restored for the output voltage, if releasing a short circuit once.
Caution This overcurrent protection circuit does not work as for thermal protection. If this IC long
keeps short circuiting inside, pay attention to the conditions of input voltage and load
current so that, under the usage conditions including short circuit, the loss of the IC will
not exceed power dissipation of the package.
14
HIGH-WITHSTAND VOLTAGE LOW CURRENT CONSUMPTION LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.4.2_02
S-1142A/B Series
5.
Thermal shutdown circuit
The S-1142A/B Series has a thermal shutdown circuit to protect the device from damage due to overheat. When
the junction temperature rises to 150C typ., the thermal shutdown circuit operates to stop regulating. When the
junction temperature drops to 125C typ., the thermal shutdown circuit is released to restart regulating.
Due to self-heating of the S-1142A/B Series, if the thermal shutdown circuit starts operating, it stops regulating so
that the output voltage drops. When regulation stops, the S-1142A/B Series does not itself generate heat and the
IC’s temperature drops. When the temperature drops, the thermal shutdown circuit is released to restart regulating,
thus this IC generates heat again. Repeating this procedure makes the waveform of the output voltage into a
pulse-like form. Stop or restart of regulation continues unless decreasing either or both of the input voltage and the
output current in order to reduce the internal power consumption, or decreasing the ambient temperature.
Table 9
Thermal Shutdown Circuit
Operate: 150C typ.*1
Release: 125C typ.*1
*1.
VOUT Pin Voltage
VSS level
Set value
Junction temperature
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HIGH-WITHSTAND VOLTAGE LOW CURRENT CONSUMPTION LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.4.2_02
S-1142A/B Series
6.
Overshoot of output voltage
Overshoot of output voltage occurs depending on the condition such as the rising speed of input voltage (VIN).
Overshoot voltage is the difference between the maximum value of output voltage generated by the fluctuation of
VIN and the actual output voltage (VOUT(E)) value.
6. 1
At normal operation
As shown in Figure 13, Vgs is the voltage difference between VIN and gate voltage of output driver.
The error amplifier controls Vgs in order to keep the output voltage constant depending on the fluctuation of VIN
and the output load.
VIN
Vref
Vgs
Output driver
Output voltage
Output
capacitance Output load
Figure 13
6. 2
Circuit Diagram
Occurrence of overshoot
If VIN voltage rises at a fast speed, Vgs may become large when gate voltage of output driver can not follow the
speed of VIN. When Vgs becomes large, the current supplied from output driver is increased transiently. Thereby,
output voltage rises, and then overshoot occurs.
Note that overshoot voltage is greatly affected by the following use conditions or temperature, etc.
When VIN rises in the range of 2.0 V to VOUT(E).
When the rising speed of VIN is fast.
When the output capacitance is small.
When the output load is small.
Input voltage (VIN)
Rising speed of VIN =
V
t
V
VIN = 2.0 V to VOUT(E)
Output voltage (VOUT(E))
Overshoot voltage
VOUT(E)
VIN = 2.0 V to VOUT(E)
Rising time (t)
Figure 14
Caution
VIN and Overshoot Voltage
Under the following conditions, overshoot voltage tends to become larger especially.
When VIN rises from around 98% of VOUT(E).
When the rising speed of VIN is 10 mV/s or more.
Remark When overshoot of the S-1142A/B Series has some influences, consider to use the S-1142C/D Series.
16
HIGH-WITHSTAND VOLTAGE LOW CURRENT CONSUMPTION LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.4.2_02
S-1142A/B Series
Precautions
Wiring patterns for the VIN pin, the VOUT pin and GND should be designed so that the impedance is low. When
mounting an output capacitor between the VOUT pin and the VSS pin (CL) and a capacitor for stabilizing the input
between the VIN pin and the VSS pin (CIN), the distance from the capacitors to these pins should be as short as
possible.
Note that generally the output voltage may increase when a series regulator is used at low load current (0.1 mA or
less).
Note that generally the output voltage may increase due to the leakage current from an output driver when a series
regulator is used at high temperature.
Note that the output voltage may increase due to the leakage current from an output driver even if the ON / OFF pin
is at OFF level when a series regulator is used at high temperature.
Generally a series regulator may cause oscillation, depending on the selection of external parts. The following
conditions are recommended for the S-1142A/B Series. However, be sure to perform sufficient evaluation under the
actual usage conditions for selection, including evaluation of temperature characteristics. Refer to "6. Example of
equivalent series resistance vs. Output current characteristics (Ta =25C)" in " Reference Data" for the
equivalent series resistance (RESR) of the output capacitor.
Input capacitor (CIN):
Output capacitor (CL):
0.1 F or more
0.1 F or more
The voltage regulator may oscillate when the impedance of the power supply is high and the input capacitance is
small or an input capacitor is not connected.
Sufficiently evaluate the output voltage fluctuations caused by the power supply or the load fluctuations with the
actual device.
Overshoot may occur in the output voltage momentarily if the voltage is rapidly raised at power-on or when the power
supply fluctuates. Sufficiently evaluate the output voltage at power-on with the actual device.
The application conditions for the input voltage, the output voltage, and the load current should not exceed the
package power dissipation.
Do not apply an electrostatic discharge to this IC that exceeds the performance ratings of the built-in electrostatic
protection circuit.
In determining the output current, attention should be paid to the output current value specified in Table 7 in
" Electrical Characteristics" and footnote *4 of the table.
ABLIC Inc. claims no responsibility for any disputes arising out of or in connection with any infringement by products
including this IC of patents owned by a third party.
17
HIGH-WITHSTAND VOLTAGE LOW CURRENT CONSUMPTION LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.4.2_02
S-1142A/B Series
Characteristics (Typical Data)
1.
Output voltage vs. Output current (When load current increases) (Ta = 25C)
1. 1
VOUT = 2.0 V
2.5
1. 2
13.5 V
1.5
VIN = 3.0 V
1.0
4.0 V
0.5
0
VOUT [V]
1. 3
VIN = 5.5 V
3
6.0 V
2
0
0
100 200 300 400 500 600 700 800
IOUT [mA]
0
100 200 300 400 500 600 700 800
IOUT [mA]
VOUT = 12.0 V
14
12
10
8
6
4
2
0
13.5 V
VIN = 12.5 V
13.0 V
0
Remark
In determining the output current, attention should
be paid to the following.
1. The minimum output current value and
footnote *4 of Table 7 in the " Electrical
Characteristics"
2. Power dissipation of the package
100 200 300 400 500 600 700 800
IOUT [mA]
Output voltage vs. Input voltage (Ta = 25C)
VOUT [V]
2. 1
VOUT [V]
2. 3
18
7.0 V
4
1
VOUT = 2.0 V
2.2
2.1
2.0
1.9
1.8
1.7
1.6
1.5
2. 2
VOUT [V]
2.
13.5 V
5
VOUT [V]
VOUT [V]
2.0
VOUT = 5.0 V
6
IOUT = 1 mA
30 mA
50 mA
0
5
10
15
VIN [V]
20
25
30
VOUT = 12.0 V
12.4
12.2
12.0
11.8
11.6
11.4
11.2
11.0
IOUT = 1 mA
30 mA
50 mA
10
15
20
VIN [V]
25
30
VOUT = 5.0 V
5.2
5.1
5.0
4.9
4.8
4.7
4.6
4.5
IOUT = 1 mA
30 mA
50 mA
0
5
10
15
VIN [V]
20
25
30
HIGH-WITHSTAND VOLTAGE LOW CURRENT CONSUMPTION LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.4.2_02
S-1142A/B Series
Dropout voltage vs. Output current
Vdrop [V]
3. 3
4.
VOUT = 2.0 V
1.6
1.4
Tj = +125C
1.2
1.0
+25C
0.8
0.6
40C
0.4
0.2
0
0
50
100
150
200
IOUT [mA]
VOUT = 12.0 V
0.50
0.45
0.40
Tj = 125C
0.35
0.30
25C
0.25
0.20
0.15
40C
0.10
0.05
0
0
50
100
150
200
IOUT [mA]
3. 2
Vdrop [V]
Vdrop [V]
3. 1
250
VOUT = 5.0 V
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
Tj = 125C
25C
40C
0
50
100
150
IOUT [mA]
200
250
250
Dropout voltage vs. Temperature
Vdrop [V]
4. 1
4. 3
VOUT = 2.0 V
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
40 25
4. 2
IOUT = 100 mA
10 mA
0
25
50
Tj [C]
75
100
125
Vdrop [V]
3.
VOUT = 5.0 V
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0
40 25
IOUT = 100 mA
10 mA
0
25
50
Tj [C]
75
100
125
VOUT = 12.0 V
0.30
Vdrop [V]
0.25
0.20
0.15
IOUT = 100 mA
0.10
10 mA
0.05
0
40 25
0
25
50
Tj [C]
75
100
125
19
HIGH-WITHSTAND VOLTAGE LOW CURRENT CONSUMPTION LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.4.2_02
S-1142A/B Series
5.
Dropout voltage vs. Set output voltage (Tj = 25C)
1.2
IOUT = 200 mA
100 mA
30 mA
10 mA
1 mA
Vdrop [V]
1.0
0.8
0.6
0.4
0.2
0
6.
0
2
4
6
8
VOUT(S) [V]
10
12
14
Output voltage vs. Temperature
6. 1
VOUT = 2.0 V
6. 2
VOUT = 5.0 V
5.2
2.02
5.1
2.00
1.98
1.96
40 25
6. 3
0
25
50
Tj [C]
75
100
125
VOUT = 12.0 V
VIN = 13.0 V
VOUT [V]
12.2
12.0
11.8
11.6
40 25
5.0
4.9
12.4
20
VIN = 6.0 V
2.04
VOUT [V]
VOUT [V]
VIN = 3.0 V
0
25
50
Tj [C]
75
100
125
4.8
40 25
0
25
50
Tj [C]
75
100
125
HIGH-WITHSTAND VOLTAGE LOW CURRENT CONSUMPTION LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.4.2_02
S-1142A/B Series
Current consumption during operation vs. Input voltage (When ON / OFF pin is ON, no load)
ISS1 [A]
7. 1
ISS1 [A]
7. 3
8.
VOUT = 2.0 V
16
14
12
10
8
6
4
2
0
0
5
7. 2
Tj = 125C
25C
40C
10
VOUT = 12.0 V
16
14
12
10
8
6
4
2
0
0
5
15
VIN [V]
ISS1 [A]
7.
20
25
30
VOUT = 5.0 V
16
14
12
10
8
6
4
2
0
0
5
Tj = 125C
25C
40C
10
15
VIN [V]
20
25
30
Tj = 125C
25C
40C
10
15
VIN [V]
20
25
30
Current consumption during operation vs. Temperature
8. 1
VOUT = 2.0 V
8. 2
VOUT = 5.0 V
8. 3
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
40 25
VIN = 6.0 V
ISS1 [A]
ISS1 [A]
VIN = 3.0 V
0
25
50
Tj [C]
75
100
125
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
40 25
0
25
50
Tj [C]
75
100
125
VOUT = 12.0 V
ISS1 [A]
VIN = 13.0 V
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
40 25
0
25
50
Tj [C]
75
100
125
21
HIGH-WITHSTAND VOLTAGE LOW CURRENT CONSUMPTION LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.4.2_02
S-1142A/B Series
Current consumption during operation vs. Output current (Ta = 25C)
VOUT = 12.0 V
160
140
120
100
80
60
40
20
0
0
25
ISS1 [A]
9. 3
10.
9. 2
VIN = 13.5 V
ISS1 [A]
VOUT = 2.0 V
160
140
120
100
80
60
40
20
0
0
25
ISS1 [A]
9. 1
3.0 V
50
75
100
IOUT [mA]
125
150
VIN = 13.5 V
6.0 V
50
75
100
IOUT [mA]
125
150
13.0 V
50
75
100
IOUT [mA]
125
150
Output current vs. Input voltage*1
10. 1
VOUT = 3.3 V
250
10. 2
+25C
IOUT [mA]
200
150
Ta = +85C
100
50
0
VOUT = 5.0 V
250
+25C
200
150
Ta = +85C
100
50
0
10
*1. When mounted on board
[Mounted board]
(1) Board size:
(2) Board material:
(3) Wiring ratio:
(4) Through hole:
22
VOUT = 5.0 V
160
140
120
100
80
60
40
20
0
0
25
VIN = 20.0 V
IOUT [mA]
9.
20
30
VIN [V]
40
50
0
0
50 mm50 mmt1.6 mm
Glass epoxy resin (two layers)
Surface approx. 75%, reverse side approx. 90%
Diameter 0.5 mm24
10
20
30
VIN [V]
40
50
HIGH-WITHSTAND VOLTAGE LOW CURRENT CONSUMPTION LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.4.2_02
S-1142A/B Series
11.
Ripple rejection (Ta = 25C)
11. 1
VOUT = 2.0 V
11. 2
VOUT = 5.0 V
11. 3
80
70
60
50
40
30
20
10
0
IOUT = 1 mA
30 mA
100 mA
10
100
1k
10k
Frequency [Hz]
100k
VIN = 13.5 V, CL = 0.1 F
Ripple Rejection [dB]
Ripple Rejection [dB]
VIN = 13.5 V, CL = 0.1 F
1M
70
60
50
40
30
20
10
0
IOUT = 1 mA
30 mA
100 mA
10
100
1k
10k
Frequency [Hz]
100k
1M
VOUT = 12.0 V
Ripple Rejection [dB]
VIN = 13.5 V, CL = 0.1 F
60
50
IOUT = 1 mA
30 mA
100 mA
40
30
20
10
0
10
100
1k
10k
Frequency [Hz]
100k
1M
23
HIGH-WITHSTAND VOLTAGE LOW CURRENT CONSUMPTION LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.4.2_02
S-1142A/B Series
Reference Data
Characteristics of input transient response (Ta = 25C)
2.3
2.2
2.1
VIN
VOUT
CL = 10 μF
22 μF
13
5.8
12
5.6
11
10
VIN [V]
VOUT [V]
2.4
1. 2 VOUT = 5.0 V
IOUT = 30 mA, CIN = 0.1 F, VIN = 11.5 V 13.5 V, tr = tf = 5.0 s
6.0
14
5.4
5.2
13
VIN
12
VOUT
CL = 10 μF
22 μF
11
10
2.0
9
5.0
9
1.9
200
8
4.8
200
8
0
200 400 600 800 1000 1200
t [μs]
0
200 400 600 800 1000 1200
t [μs]
VIN [V]
1. 1 VOUT = 2.0 V
IOUT = 30 mA, CIN = 0.1 F, VIN = 11.5 V 13.5 V, tr = tf = 5.0 s
14
2.5
VOUT [V]
1.
Characteristics of load transient response (Ta = 25C)
2.2
2.1
2.0
IOUT
VOUT
1.9
1.8
200
CL = 10 μF
22 μF
0
100
5.6
50
5.4
0
50
IOUT [mA]
VOUT [V]
2.3
100
150
200 400 600 800 1000 1200
t [μs]
2. 3 VOUT = 12.0 V
VIN = 13.5 V, CIN = 0.1 F, IOUT = 50 mA 100 mA
14.0
150
13.0
12.5
12.0
100
IOUT
50
VOUT
11.5
11.0
200
24
CL = 22 μF
10 μF
0
0
50
IOUT [mA]
VOUT [V]
13.5
2. 2 VOUT = 5.0 V
VIN = 13.5 V, CIN = 0.1 F, IOUT = 50 mA 100 mA
5.8
150
100
150
200 400 600 800 1000 1200
t [μs]
5.2
5.0
100
IOUT
50
VOUT
4.8
4.6
200
CL = 10 μF
22 μF
0
0
50
IOUT [mA]
2. 1 VOUT = 2.0 V
VIN = 13.5 V, CIN = 0.1 F, IOUT = 50 mA 100 mA
2.4
150
VOUT [V]
2.
VIN [V]
VOUT [V]
1. 3 VOUT = 12.0 V
IOUT = 30 mA, CIN = 0.1 F, VIN = 13.5 V 15.5 V, tr = tf = 5.0 s
13.2
16
13.0 VIN
15
12.8
14
12.6
13
CL = 10 μF
VOUT
12.4
12
22 μF
12.2
11
12.0
10
9
11.8
200 0 200 400 600 800 1000 1200
t [μs]
100
150
200 400 600 800 1000 1200
t [μs]
HIGH-WITHSTAND VOLTAGE LOW CURRENT CONSUMPTION LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.4.2_02
S-1142A/B Series
Transient response characteristics of ON / OFF pin (Ta = 25C)
12
VOUT [V]
12
9
6
VON/OFF
6
0
3
6
VOUT
0
3
500
4.
3. 2
500
1000
t [μs]
1500
18
2000
6
0
3
6
VOUT
3
500
12
0
500
1000
t [μs]
1500
18
2000
Overshoot [V]
0.4
VIN = 13.5 V, CIN = 0.1 F, IOUT = 100 mA 50 mA
0.5
0.3
0.2
0.1
0
20
40
60
CL [μF]
80
0.4
0.3
0.2
0.1
0
100
0
20
40
60
CL [μF]
80
100
Input transient response characteristics dependent on capacitance (Ta = 25C)
5. 1 VOUT = 5.0 V
VIN = 7.0 V → 12.0 V, tr = 5.0 s, CIN = 0.1 F, IOUT = 30 mA
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0
20
40
60
80
100
CL [μF]
VIN = 12.0 V → 7.0 V, tr = 5.0 s, CIN = 0.1 F, IOUT = 30 mA
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0
20
40
60
80
100
CL [μF]
Undershoot [V]
Undershoot [V]
6
VON/OFF
Load transient response characteristics dependent on capacitance (Ta = 25C)
0
Overshoot [V]
9
0
4. 1 VOUT = 5.0 V
VIN = 13.5 V, CIN = 0.1 F, IOUT = 50 mA 100 mA
0.5
5.
12
12
12
0
VOUT = 5.0 V
VIN = 13.5 V, CL = 10 F, CIN = 0.1 F,
IOUT = 100 mA, VON / OFF = 0 V 13.5 V
18
15
VON/OFF [V]
VOUT = 3.3 V
VIN = 13.5 V, CL = 10 F, CIN = 0.1 F,
IOUT = 100 mA, VON / OFF = 0 V 13.5 V
18
15
VOUT [V]
3. 1
VON/OFF [V]
3.
25
HIGH-WITHSTAND VOLTAGE LOW CURRENT CONSUMPTION LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.4.2_02
S-1142A/B Series
6.
Example of equivalent series resistance vs. Output current characteristics (Ta = 25C)
CIN = CL = 0.1 F
100
RESR []
VIN
CIN
Stable
0
S-1142
A/B Series
ON / OFF
0.1
VSS
200
VOUT
CL
*1
RESR
IOUT [mA]
*1.
Figure 15
26
CL: TDK Corporation
C3216X8R2A104K (0.1 F)
Figure 16
HIGH-WITHSTAND VOLTAGE LOW CURRENT CONSUMPTION LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.4.2_02
S-1142A/B Series
Marking Specification
1.
HSOP-6
Top view
6
5
4
(1) to (5):
(6):
(7), (8):
(9):
(10) to (16):
Product name: S1142 (Fixed)
Product type
Value of output voltage
Operation temperature
Lot number
(1) (2) (3) (4) (5) (6)
(7) (8) (9) (10) (11) (12)
(13) (14) (15) (16)
1
2
3
27
5.02±0.2
6
1
0.4±0.05
5
4
2
3
0.20±0.05
1.67±0.05
1.91
1.91
No. FH006-A-P-SD-2.1
TITLE
HSOP6-A-PKG Dimensions
No.
FH006-A-P-SD-2.1
ANGLE
UNIT
mm
ABLIC Inc.
4.0±0.1(10 pitches:40.0±0.2)
2.0±0.05
ø1.55±0.05
0.3±0.05
ø2.0±0.05
8.0±0.1
2.1±0.1
6.7±0.1
1
6
3
4
Feed direction
No. FH006-A-C-SD-2.0
TITLE
HSOP6-A-Carrier Tape
No.
FH006-A-C-SD-2.0
ANGLE
UNIT
mm
ABLIC Inc.
60°
2±0.5
13.5±0.5
Enlarged drawing in the central part
ø21±0.8
2±0.5
ø13±0.2
No. FH006-A-R-SD-1.0
TITLE
HSOP6-A-Reel
No.
FH006-A-R-SD-1.0
ANGLE
QTY.
UNIT
mm
ABLIC Inc.
2,000
2.03
0.76
1.91
1.91
No. FH006-A-L-SD-2.0
TITLE
HSOP6-A
-Land Recommendation
No.
FH006-A-L-SD-2.0
ANGLE
UNIT
mm
ABLIC Inc.
Disclaimers (Handling Precautions)
1.
All the information described herein (product data, specifications, figures, tables, programs, algorithms and
application circuit examples, etc.) is current as of publishing date of this document and is subject to change without
notice.
2.
The circuit examples and the usages described herein are for reference only, and do not guarantee the success of
any specific mass-production design.
ABLIC Inc. is not liable for any losses, damages, claims or demands caused by the reasons other than the products
described herein (hereinafter "the products") or infringement of third-party intellectual property right and any other
right due to the use of the information described herein.
3.
ABLIC Inc. is not liable for any losses, damages, claims or demands caused by the incorrect information described
herein.
4.
Be careful to use the products within their ranges described herein. Pay special attention for use to the absolute
maximum ratings, operation voltage range and electrical characteristics, etc.
ABLIC Inc. is not liable for any losses, damages, claims or demands caused by failures and / or accidents, etc. due to
the use of the products outside their specified ranges.
5.
Before using the products, confirm their applications, and the laws and regulations of the region or country where they
are used and verify suitability, safety and other factors for the intended use.
6.
When exporting the products, comply with the Foreign Exchange and Foreign Trade Act and all other export-related
laws, and follow the required procedures.
7.
The products are strictly prohibited from using, providing or exporting for the purposes of the development of
weapons of mass destruction or military use. ABLIC Inc. is not liable for any losses, damages, claims or demands
caused by any provision or export to the person or entity who intends to develop, manufacture, use or store nuclear,
biological or chemical weapons or missiles, or use any other military purposes.
8.
The products are not designed to be used as part of any device or equipment that may affect the human body, human
life, or assets (such as medical equipment, disaster prevention systems, security systems, combustion control
systems, infrastructure control systems, vehicle equipment, traffic systems, in-vehicle equipment, aviation equipment,
aerospace equipment, and nuclear-related equipment), excluding when specified for in-vehicle use or other uses by
ABLIC, Inc. Do not apply the products to the above listed devices and equipments.
ABLIC Inc. is not liable for any losses, damages, claims or demands caused by unauthorized or unspecified use of
the products.
9.
In general, semiconductor products may fail or malfunction with some probability. The user of the products should
therefore take responsibility to give thorough consideration to safety design including redundancy, fire spread
prevention measures, and malfunction prevention to prevent accidents causing injury or death, fires and social
damage, etc. that may ensue from the products' failure or malfunction.
The entire system in which the products are used must be sufficiently evaluated and judged whether the products are
allowed to apply for the system on customer's own responsibility.
10. The products are not designed to be radiation-proof. The necessary radiation measures should be taken in the
product design by the customer depending on the intended use.
11. The products do not affect human health under normal use. However, they contain chemical substances and heavy
metals and should therefore not be put in the mouth. The fracture surfaces of wafers and chips may be sharp. Be
careful when handling these with the bare hands to prevent injuries, etc.
12. When disposing of the products, comply with the laws and ordinances of the country or region where they are used.
13. The information described herein contains copyright information and know-how of ABLIC Inc. The information
described herein does not convey any license under any intellectual property rights or any other rights belonging to
ABLIC Inc. or a third party. Reproduction or copying of the information from this document or any part of this
document described herein for the purpose of disclosing it to a third-party is strictly prohibited without the express
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14. For more details on the information described herein or any other questions, please contact ABLIC Inc.'s sales
representative.
15. This Disclaimers have been delivered in a text using the Japanese language, which text, despite any translations into
the English language and the Chinese language, shall be controlling.
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