RP132x-Y Series
Low on Resistance / Low Voltage 1 A LDO for High Temperature Applications
NO.EA-343-200213
OUTLINE
The RP132x Series are voltage-regulators with a built-in low ON-resistance transistor and output current is 1A
capability. These ICs have two versions: fixed output voltage type and externally adjustable output voltage type.
The externally adjustable output voltage type is adjustable between 0.8V and 5.5V. The minimum input voltage
can be set from 1.4V. Otherwise, the load regulation of RP132x has much improved when compared with
conventional regulators. It is Typ.5mV at IOUT=0.1mA to 1A.
Each of these ICs consists of a voltage reference unit, an error amplifier, a resistor net for setting output
voltage, current limit circuits to prevent over-current and a thermal-shutdown circuit. A standby mode with ultra
low supply current can be realized with the chip enable function.
The packages for these ICs are DFN(PLP)1820-6, SOT-89-5, HSOP-6J, and TO-252-5-P2. They range from
high-density mounting to ultra high wattage.
FEATURES
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
Input Voltage Range (Maximum Rating) ...................... 1.4V to 6.5V (7 V)
Operating Temperature Range ..................................... −40°C to 105°C (※)
Output Current ............................................................ Min. 1A
Supply Current ............................................................. Typ. 65µA
Standby Current ......................................................... Typ. 0.15µA
Output Voltage Range .................................................. Fixed Output Voltage Type:
0.8V, 1.05V, 1.2V, 1.5V, 1.8V, 2.5V, 3.0V, 3.3V, 4.0V, 5.0V
Contact Ricoh sales representatives for other voltages.
Adjustable Output Voltage Type: 0.8V to 5.5V
Dropout Voltage .......................................................... Typ. 0.52V (VSET=3.0V, IOUT=1A)
Ripple Rejection ........................................................... Typ. 70dB (f=1kHz, VSET=3.0V)
Output Voltage Accuracy .............................................. ±1.0%
Output Voltage Temperature-Drift Coefficient .............. Typ. ±60ppm/°C
Line Regulation ............................................................ Typ. 0.052%/V
Load Regulation ......................................................... Typ. 3mV at IOUT=300mA, Typ. 5mV at IOUT=1A
Packages .................................................................... DFN(PLP)1820-6, SOT-89-5, HSOP-6J, TO-252-5-P2
Inrush Current Limit Circuit ......................................... Typ. 500mA
B/D version: Inrush current limit time is 500µs.
Fold-Back Protection Circuit ....................................... Typ. 250mA (Current at short mode)
Thermal Shutdown Circuit .......................................... Thermal Shutdown Temperature: Typ. 165°C
Released Temperature: Typ. 95°C
Auto Discharge Function ............................................ D version
Ceramic capacitors are recommended to be used with this IC .... 2.2µF or more (VSET ≤ 3.6V)
4.7µF or more (VSET > 3.6V)
※ This product is usable for the high-temperature applications since have passed a test at the high
temperature. In addition, this product has a high-reliability since having passed Ricoh’s rigorous quality
standards. To distinguish from the consumer products, “-Yx” is added at the end of the product name.
APPLICATIONS
• Industrial equipments such as FAs and smart meters
• Equipments used under high-temperature conditions
• Equipments accompanied by self-heating
1
RP132x-Y
NO.EA-343-200213
BLOCK DIAGRAMS
•
Fixed Output Voltage Type （HSOP-6J / SOT89-5）
RP132Sxx1B / RP132Hxx1B
VDD
RP132Sxx1D / RP132Hxx1D
VOUT
VDD
VOUT
Vref
Vref
Current Limit
Thermal Shutdown
CE
•
Current Limit
Thermal Shutdown
GND
CE
GND
Fixed Output Voltage Type（TO-252-5-P2 / DFN(PLP)1820-6）
RP132Jxx1B / RP132Kxx1B
VDD
RP132Jxx1D / RP132Kxx1D
VOUT
VDD
VOUT
VFB
VFB
Vref
Vref
Current Limit
Thermal Shutdown
CE
•
Current Limit
Thermal Shutdown
GND
CE
GND
Adjustable Output Voltage Type（HSOP-6J / SOT-89-5 / TO-252-5-P2 / DFN(PLP)1820-6）
RP132S001B / RP132H001B /
RP132S001D / RP132H001D
RP132J001B / RP132K001B
RP132J001D / RP132K001D
VDD
VOUT
VDD
VOUT
VFB
VFB
Vref
Vref
Current Limit
Thermal Shutdown
CE
2
Current Limit
Thermal Shutdown
GND
CE
GND
RP132x-Y
NO.EA-343-200213
SELECTION GUIDE
The output voltage, the auto discharge function*, and the package type for the ICs can be selected at the
user’s request.
Product Name
RP132K001∗-TR-Y
RP132Kxx1∗-TR-Y
RP132H001∗-T1-YE
RP132Hxx1∗-T1-YE
RP132S001∗-E2-YE
RP132Sxx1∗-E2-YE
RP132J001∗-T1-YE
RP132Jxx1∗-T1-YE
Package
Quantity per Reel
Pb Free
Halogen Free
DFN(PLP)1820-6
5,000 pcs
Yes
Yes
SOT-89-5
1,000 pcs
Yes
Yes
HSOP-6J
1,000 pcs
Yes
Yes
TO-252-5-P2
3,000 pcs
Yes
Yes
RP132x001x is the adjustable output voltage type.
xx: Specify the set output voltage (V SET ) of the fixed output voltage type.
0.8V(08), 1.2V(12), 1.5V(15), 1.8V(18), 2.5V(25), 3.0V(30), 3.3V(33), 4.0V(40), 5.0V(50)
1.05V(RP132x101x5)
Contact Ricoh sales representatives for other voltages.
∗: The auto discharge function at off state options are as follows.
(B) without auto discharge function* at off state
(D) with auto discharge function* at off state
* Auto-discharge function quickly lowers the output voltage to 0V, when the chip enable signal is switched from the active
mode to the standby mode, by releasing the electrical charge accumulated in the external capacitor.
3
RP132x-Y
NO.EA-343-200213
PIN DESCRIPTIONS
• DFN(PLP)1820-6
Top View
•
• SOT-89-5
• HSOP-6J
• TO-252-5-P2
Bottom View
DFN(PLP)1820-6
Pin No.
Symbol
Pin Description
1
VOUT
Output Pin
2
VFB
Feed Back Pin
3
GND
4
CE
Chip Enable Pin ("H" Active)
5
NC
No Connection
6
VDD
Input Pin
Ground Pin
∗) The tab on the bottom of the package enhances thermal performance and is electrically connected to
GND (substrate level). It is recommended that the tab be connected to the ground plane on the board, or otherwise
be left open.
When using Fixed Output Voltage Type (RP132Kxx1x),V OUT pin and V FB pin should be connected. When using
Adjstable Output Voltage Type (RP132K001x), please follow Notes on the Adjustable Output Voltage Type Settings.
•
SOT-89-5
Pin No.
1
2
Symbol
Pin Description
CE
Chip Enable Pin ("H" Active) (RP132Hxx1B/D)
VFB
Feed Back Pin (RP132H001B/D)
GND
Ground Pin
NC
No Connection (RP132Hxx1B/D)
CE
Chip Enable Pin ("H" Active) (RP132H001B/D)
4
VDD
Input Pin
5
VOUT
Output Pin
3
When using Adjstable Output Voltage Type (RP132H001x), please follow Notes on Adjustable Output Voltage Type
Settings.
4
RP132x-Y
NO.EA-343-200213
•
HSOP-6J
Pin No.
Symbol
Pin Description
1
VOUT
Output Pin
2
GND
Ground Pin
NC
No Connection (RP132Sxx1B/D)
VFB
Feed Back Pin (RP132S001B/D)
4
CE
Chip Enable Pin ("H" Active)
5
GND
6
VDD
3
Ground Pin
Input Pin
No. 2 pin and No .5 pin must be wired each other when mounted on boards. When using Adjstable Output Voltage Type
(RP132S001x), please follow Notes on Adjustable Output Voltage Type Settings.
•
TO-252-5-P2
Pin No.
Symbol
Pin Description
1
CE
Chip Enable Pin ("H" Active)
2
VDD
Input Pin
3
GND
Ground Pin
4
VOUT
Output Pin
5
VFB
Feed Back Pin
∗) The tab on the bottom of the package enhances thermal performance and is electrically connected to
GND (substrate level). It is recommended that the tab be connected to the ground plane on the board, or otherwise
be left open.
When using Fixed Output Voltage Type (RP132Jxx1x),V OUT pin and V FB pin should be connected. When using
Adjstable Output Voltage Type (RP132J001x), please follow Notes on the Adjustable Output Voltage Type Settings.
5
RP132x-Y
NO.EA-343-200213
ABSOLUTE MAXIMUM RATINGS
Symbol
Item
Rating
Unit
7.0
V
VIN
Input Voltage
VCE
Input Voltage (CE Pin)
−0.3 to 7.0
V
VFB
Input Voltage (VFB Pin)
−0.3 to 7.0
V
VOUT
Output Voltage
−0.3 to VIN+0.3
V
Power Dissipation∗
PD
Tj
Tstg
DFN(PLP)1820-6
JEDEC STD. 51
2200
SOT-89-5
JEDEC STD. 51
2600
HSOP-6J
JEDEC STD. 51
2700
TO-252-5-P2
JEDEC STD. 51
3800
mV
Junction Temperature
−40 to 125
°C
Storage Temperature Range
−55 to 125
°C
∗) Refer to PACKAGE INFORMATION for detailed information.
ABSOLUTE MAXIMUM RATINGS
Electronic and mechanical stress momentarily exceeded absolute maximum ratings may cause permanent damage
and may degrade the life time and safety for both device and system using the device in the field. The functional
operation at or over these absolute maximum ratings is not assured.
RECOMMENDED OPERATING CONDITIONS
Symbol
Item
Rating
Unit
V IN
Input Voltage
1.4 to 6.5
V
Ta
Operating Temperature Range
−40 to 105
°C
RECOMMENDED OPERATING CONDITIONS
All of electronic equipment should be designed that the mounted semiconductor devices operate within the
recommended operating conditions. The semiconductor devices cannot operate normally over the recommended operating
conditions, even if they are used over such conditions by momentary electronic noise or surge. And the semiconductor
devices may receive serious damage when they continue to operate over the recommended operating conditions.
6
RP132x-Y
NO.EA-343-200213
ELECTRICAL CHARACTERISTICS
VIN=VSET+1.0V, IOUT=1mA, CIN=2.2µF, COUT=2.2µF(VSET ≤ 3.6V), 4.7µF(VSET > 3.6V), unless otherwise noted.
The specifications surrounded by
are guaranteed by design engineering at −40°C ≤Ta≤ 105°C.
•
(Ta=25°C)
RP132xxxxB/D (Fixed Output Voltage Type)
Symbol
Item
Conditions
Ta=25°C
VOUT
Output Voltage
−40°C ≤ Ta ≤ 105°C
ILIM
Output Current Limit
Min.
Typ.
Max.
Unit
VSET > 1.5V
×0.99
×1.01
V
VSET ≤ 1.5V
−15
15
mV
VSET > 1.5V
×0.981
×1.019
V
VSET ≤ 1.5V
−29
29
mV
1
A
0.1mA ≤ IOUT ≤ 300mA
3
20
0.1mA ≤ IOUT ≤ 1A
5
60
∆VOUT/
∆IOUT
Load Regulation
VDIF
Dropout Voltage
ISS
Supply Current
IOUT=0mA
Istandby
Standby Current
∆VOUT/
∆VIN
mV
Refer to the Product-specific Electrical Characteristics
65
85
µA
VCE=0V, VIN=6.5V
0.15
0.6
µA
Line Regulation
VSET+0.5V ≤ VIN ≤ 6.5V
∗ However, VIN ≥1.6V
0.05
0.10
%/V
ISC
Short Current Limit
VOUT=0V
250
IPD
CE Pull-down Current
VCEH
CE Input Voltage "H"
VCEL
CE Input Voltage "L"
TTSD
TTSR
RLOW
Thermal Shutdown
Detection Temperature
Thermal Shutdown
Released Temperature
Low Output Nch Tr. ON
Resistance (D version)
(VIN=6.5V)
0.3
mA
0.7
1.0
µA
V
0.4
V
Junction Temperature
165
°C
Junction Temperature
95
°C
VIN=4.0V, VCE=0V
50
Ω
All test items listed under Electrical Characteristics are done under the pulse load condition (Tj≈Ta=25ºC) except for
Dropout Voltage at 1A Output Current and Load Regulation.
7
RP132x-Y
NO.EA-343-200213
The specifications surrounded by
are guaranteed by design engineering at −40°C ≤Ta≤ 105°C.
RP132xxxxB/D (Fixed Output Voltage Type) Product-specific Electrical Characteristics
Product
Name
8
V OUT [V]
(Ta = 25°C)
V OUT [V]
(Ta = -40 to 105°C)
V DIF [V]
(I OUT = 300 mA)
(Ta = 25°C)
V DIF [V]
(I OUT = 1 A)
MIN.
TYP.
MAX.
MIN.
TYP.
MAX.
TYP.
MAX.
TYP.
MAX.
RP132x08xx
0.785
0.800
0.815
0.771
0.800
0.829
0.670
0.890
1.200
1.540
RP132x12xx
1.185
1.200
1.215
1.171
1.200
1.229
0.360
0.540
0.900
1.230
RP132x15xx
1.485
1.500
1.515
1.471
1.500
1.529
RP132x18xx
1.782
1.800
1.818
1.766
1.800
1.834
0.240
0.330
0.780
1.050
RP132x25xx
2.475
2.500
2.525
2.453
2.500
2.548
RP132x30xx
2.970
3.000
3.030
2.943
3.000
3.057
0.150
0.210
0.520
0.720
RP132x33xx
3.267
3.300
3.333
3.237
3.300
3.363
RP132x40xx
3.960
4.000
4.040
3.924
4.000
4.076
0.130
0.180
0.460
0.680
RP132x50xx
4.950
5.000
5.050
4.905
5.000
5.095
RP132x10xx5
1.035
1.050
1.065
1.021
1.050
1.079
0.51
0.73
1.05
1.39
RP132x-Y
NO.EA-343-200213
VIN= VSET +1.0V, IOUT=1mA, CIN=2.2µF, COUT=2.2µF(VSET ≤ 3.6V), 4.7µF(VSET > 3.6V), unless otherwise noted.
The specifications surrounded by
are guaranteed by design engineering at −40°C ≤Ta ≤ 105°C
•
RP132x001B/D (Adjustable Output Voltage Type)
Symbol
Item
VFB
Feedback Voltage
VOUT
Output Voltage Adjusting
Range
ILIM
Output Current Limit
(Ta=25°C)
Conditions
Ta=25°C
VOUT=VFB
−40°C ≤ Ta ≤ 105°C
VOUT=VFB
Min.
Typ.
Max.
0.785
0.800
0.815
0.771
0.829
0.8
5.5
1
Unit
V
V
A
0.1mA ≤ IOUT ≤ 300mA
3
20
0.1mA ≤ IOUT ≤ 1A
5
60
IOUT=300mA
0.67
0.89
IOUT=1A
1.20
1.54
65
85
µA
VCE=0V, VIN=6.5V
0.15
0.6
µA
Line Regulation
VOUT=VFB, 1.6V ≤ VIN ≤ 6.5V
0.05
0.10
%/V
ISC
Short Current Limit
VOUT=VFB=0V
250
IPD
CE Pull-down Current
VCEH
CE Input Voltage "H"
VCEL
CE Input Voltage "L"
∆VOUT/
∆IOUT
Load Regulation
VDIF
Dropout Voltage
VOUT=VFB
ISS
Supply Current
VOUT=VFB, IOUT=0mA (VIN=6.5V)
Istandby
Standby Current
∆VOUT/
∆VIN
TTSD
TTSR
RLOW
Thermal Shutdown
Detection Temperature
Thermal Shutdown
Released Temperature
Low Output Nch Tr. ON
Resistance (D version)
0.3
mV
V
mA
0.7
1.0
µA
V
0.4
V
Junction Temperature
165
°C
Junction Temperature
95
°C
VIN=4.0V, VCE=0V
50
Ω
All test items listed under Electrical Characteristics are done under the pulse load condition (Tj≈Ta=25°C) except for
Dropout Voltage at 1A Output Current and Load Regulation.
9
RP132x-Y
NO.EA-343-200213
TYPICAL APPLICATION
Fixed Output Voltage Type (HSOP-6J/ SOT89-5)
VDD
C1
VOUT
VOUT
RP132S/H
xx1x
CE
C2
GND
Fixed Output Voltage Type (TO-252-5-P2 / DFN(PLP)1820-6)
VDD
C1
VOUT
VOUT
RP132J/K
xx1x VFB
CE
C2
GND
Adjustable Output Voltage Type (HSOP-6J / SOT89-5/ TO-252-5-P2 / DFN(PLP)1820-6）
VDD
C1
VOUT
VOUT
RP132x001x
VFB
R1
C2
R2
CE
10
GND
RP132x-Y
NO.EA-343-200213
TECHNICAL NOTES
Phase Compensation
In these ICs, phase compensation is made for securing stable operation even if the load current is varied. For
this purpose, use a capacitor C2 with good frequency characteristics and ESR (Equivalent Series Resistance).
If a tantalum capacitor is used, and its ESR of C2 is large, the loop oscillation may result. Because of this,
select C2 carefully considering its frequency characteristics.
Recommended value of the external capacitors
Capacitors
VOUT
VSET ≤ 3.6V
VSET > 3.6V
C1
C2
C1
C2
2.2µF
2.2µF
2.2µF
4.7µF
Please refer to Technical Notes on Adjustable Output Voltage Type when using R1 and R2 as output
capacitors.
PCB Layout
Make VDD and GND lines sufficient. If their impedance is high, noise pickup or unstable operation may result.
Connect a capacitor C1 between VDD and GND pin with a capacitance value as "Recommendation value of the
external capacitors" above or more, and as close as possible to the pins.
Set external components, especially the output capacitor C2, as close as possible to the ICs, and make wiring
as short as possible.
Transient Response
When using the Adjustable Output Voltage Type, the transient response could be affected by the external
resistors. Evaluate the circuit taking the actual conditions of use into account.
11
RP132x-Y
NO.EA-343-200213
TYPICAL APPLICATION FOR IC CHIP BREAKDOWN PREVENTION
Fixed Output Voltage Type (HSOP-6J / SOT89-5)
VDD
C1
VOUT
VOUT
RP132S/H
xx1x
CE
C2
D1
GND
Fixed Output Voltage Type (TO-252-5-P2 / DFN(PLP)1820-6)
VDD
C1
VOUT
VOUT
RP132J/K
xx1x VFB
CE
C2
D1
GND
Adjustable Output Voltage Type (HSOP-6J / SOT89-5 / TO-252-5-P2 / DFN(PLP)1820-6)
VDD
C1
VOUT
VOUT
RP132x001x
VFB
R1
C2
D1
R2
CE
GND
When a sudden surge of electrical current travels along the V OUT pin and GND due to a short-circuit, electrical
resonance of a circuit involving an output capacitor (C2) and a short circuit inductor generates a negative voltage
and may damage the device or the load devices. Connecting a schottky diode (D1) between the V OUT pin and
GND has the effect of preventing damage to them.
12
RP132x-Y
NO.EA-343-200213
Adjustable Output Voltage Type Settings
Output Voltage Setting Method
Adjustable Output Voltage Type can be adjusted the output voltage up to 5.5V by using the external divider
resistors. Also, please use 16kΩ or less for R2 resistor.
If the VFB voltage is described as setVFB, the output voltage can be set by using the following equations
SetVFB is equal to 0.8V. The VOUT pin of Adjustable Output Voltage Type should be connected to the VFB pin.
VOUT
R1
I1
VFB
VOUT
IIC
RIC
R2
I2
SetVFB
GND
I1= IIC + I2 ................................................................................................................................... (1)
I2= setVFB / R2 ........................................................................................................................... (2)
Thus,
I1= IIC + setVFB /R2 ..................................................................................................................... (3)
Therefore,
VOUT = setVFB × R1 × I1 .............................................................................................................. (4)
Put Equation (3) into Equation (4), then
VOUT = setVFB + R1 (IIC + setVFB / R2)
= setVFB × (1+R1/ R2) + R1 × IIC ......................................................................................... (5)
In Equation (5), R1x IIC is the error-causing factor in VOUT.
As for IIC,
IIC = setVFB / RIC .......................................................................................................................... (6)
Therefore, the error-causing factor R1x IIC can be described as follows.
R1×IIC = R1 × setVFB / RIC
= setVFB × R1 / RIC ........................................................................................................... (7)
For better accuracy, choosing R1 (
工商网监
湘ICP备2023018690号
