RS3003
150mA, Low Power Consumption,
High Voltage CMOS LDO Regulator
DESCRIPTION
FEATURES
•
Low Power Consumption
•
150mA Nominal Output Current
•
Low Dropout Voltage
•
Low Temperature Coefficient
•
High Input Voltage (up to 36V)
•
Output Voltage Accuracy:±2.5%
•
Operating Temperature Range:
-40°C to +85°C
•
Micro SIZE PACKAGES: SOT23-3 、
The RS3003 series is a set of low power high voltage
regulators implemented in CMOS technology. It can
operate from 6.3V to 36V. which can provide 150mA
output current. The device allows input voltage as high
as 36V.
The RS3003 series is available in several fixed output
voltages. CMOS technology ensures low dropout
voltage and low quiescent current.
The RS3003 is available in Green SOT23-3 and
SOT89-3L packages. It operates over an ambient
temperature range of -40°C to +85°C.
SOT89-3L and SOT89-3L(L-Type)
APPLICATIONS
•
Audio/Video Equipment
•
Communication Equipment
•
Battery-Powered Equipment
•
Laptop, Palmtops, Notebook Computers
RevB.2
Function Block Diagram
1
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RS3003
PIN CONFIGURATIONS
VOUT
SAXX
GND
1
2
3
VIN
SOT23-3
GND
VIN
SAXX
SAXXL
1
2
3
1
2
3
VOUT
GND
VIN
GND
VIN
VOUT
SOT89-3L
SOT89-3L(L-Type)
NOTE: XX indicate Output Voltage
For example: SA33 (V OUT=3.3V)
PIN DESCRIPTION
PIN
NAME
FUNCTION
SOT23-3
SOT89-3L
SOT89-3L
(L-Type)
GND
1
2
1
Ground.
VIN
3
3
2
Regulator Input. Up to 36V input voltage. At least
1μF supply bypass capacitor is recommended.
VOUT
2
1
3
Regulator Output. Recommended output capacitor
range:1μF to 10μF.
RevB.2
2
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RS3003
ABSOLUTE MAXIMUM RATINGS (1)
VIN to GND.........................................................-0.3 to 40V
VOUT to GND......................... -0.3V to Min (VIN + 0.3V,7V)
Power Dissipation, PD @ TA = 25°C
SOT23-3 ……….……………………………………..... 0.31W
SOT89-3L ……….………………………………………. 1.3W
SOT89-3L(L-Type) ……….………………………….…. 0.6W
Junction Temperature..............................................+150°C
Operating Temperature Range ...................-40°C to +85°C
Package Thermal Resistance @ TA = 25°C
SOT23-3………………….……………………….… 320°C/W
SOT89-3L……….…………......................................75°C/W
SOT89-3L(L-Type) ……….……………………...… 165°C/W
Storage Temperature Range.....................-65°C to +150°C
Lead Temperature (Soldering, 10s) ……...…….........260°C
ESD Susceptibility
HBM ….......................................................................1000V
MM ……………………….........………………...……….100V
ESD SENSITIVITY CAUTION
ESD damage can range from subtle performance
degradation to complete device failure. Precision
integrated circuits may be more susceptible to
damage because very small parametric changes
could cause the device not to meet its published
specifications.
(1) Stresses above these ratings may cause permanent damage. Exposure to
absolute maximum conditions for extended periods may degrade device
reliability. These are stress ratings only, and functional operation of the
device at these or any other conditions beyond those specified is not
implied.
PACKAGE/ORDERING INFORMATION
PRODUCT
RS3003-3.3
RS3003-5.0
ORDERING
NUMBER
VOUT(V)
PACKAGE LEAD
PACKAGE
MARKING
PACKAGE OPTION
RS3003-3.3YF3
3.3
SOT23-3
SA33
XXXX
Tape and Reel,3000
RS3003-3.3YE3
3.3
SOT89-3L
SA33
XXXX
Tape and Reel,1000
RS3003-3.3YE3L
3.3
SOT89-3L
(L-Type)
SA33L
XXXX
Tape and Reel,1000
RS3003-5.0YF3
5.0
SOT23-3
SA50
XXXX
Tape and Reel,3000
RS3003-5.0YE3
5.0
SOT89-3L
SA50
XXXX
Tape and Reel,1000
RS3003-5.0YE3L
5.0
SOT89-3L
(L-Type)
SA50L
XXXX
Tape and Reel,1000
NOTE: XXXXX = Date Code and Vendor Code.
3
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RS3003
ELECTRICAL CHARACTERISTICS
(VIN = VOUT + 2V or 6.3V, whichever is greater, CIN = COUT = 1μF, Full = -40°C to +85°C, typical values are at TA = +25°C, unless
otherwise noted.)
PARAMETER
Input Voltage
SYMBOL
VIN
Output Voltage Accuracy
CONDITIONS
TEMP
MIN
VOUT = 3.3V
FULL
6.3
IOUT = 1mA
+25°C
-2.5
VIN = VOUT + 2V or 6.3V
No load
Ground Pin Current
VIN = 36V
+25°C
IOUT = 50mA
Maximum Output Current (1)
Dropout Voltage (2)
Line Regulation
VDROP
MAX
UNITS
36
V
0
2.5
%
11
18
16
25
μA
11
VIN = VOUT + 2V or 6.3V,
whichever is greater
+25°C
IOUT = 150mA
+25°C
1300 1800
mV
+25°C
0.005 0.012
%/V
ΔVOUT
VIN = VOUT + 2V or 6.3V to 36V,
ΔVIN × VOUT IOUT = 1mA
Load Regulation
ΔVOUT
VIN = VOUT +2V or 6.3V,
IOUT = 1mA to150mA
Power Supply Rejection
Ratio
PSRR
VOUT = 3.3V,
IOUT = 10mA
Output Voltage Temperature
Coefficient (3)
TYP
f = 217Hz
f = 1KHz
ΔVOUT
IOUT = 1mA
ΔTA × VOUT
+25°C
+25°C
FULL
150
mA
10
65
63
70
25
mV
dB
ppm/°C
NOTES:
1. Maximum output current is affected by the PCB layout, size of metal trace, the thermal conduction path between metal
layers, ambient temperature and the other environment factors of system. Attention should be paid to the dropout voltage
when VIN < VOUT + VDROP.
2. The dropout voltage is defined as VIN - VOUT, when VOUT is 100mV below the value of VOUT for VIN = VOUT (NOMINAL) + 2V
or 6.3V, whichever is greater.
3. Output voltage temperature coefficient is defined as the worst-case voltage change divided by the total temperature
range.
4
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RS3003
TYPICAL CHARACTERISTICS
VIN = VOUT (NOMINAL) + 2V or 6.3V, whichever is greater, VOUT = 3.3V, CIN = COUT = 1μF, TA = 25°C unless otherwise noted.
Line-Transient Response
Load-Transient Response
IOUT=10mA to 100mA
VIN=6.3V to 7.3V,IOUT=50mA
100mV/div
VOUT
50mA/div
1V/div
VOUT
100mV/div
VIN
IOUT
Time(2ms/div)
Time(1ms/div)
Output Short Waveform
Power-Up/Power-Down Output Waveform
VOUT
2V/div
100mA/div
2V/div
VIN
2V/div
VOUT
IOUT
VIN=0 to 6.3V,IOUT=50mA
Time(2ms/div)
Time(2ms/div)
Dropout Voltage vs. Temperature
600
Dropout Voltage vs. Output Current
1600
IOUT=50mA
Dropout Voltage(mV)
Dropout Voltage(mV)
550
500
450
400
350
300
1200
800
400
0
-50
-25
0
25
50
75
100
0
Temperature(℃)
5
25
50
75
100
Output Current(mA)
125
150
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RS3003
APPLICATION NOTES
Input Capacitor and Output Capacitor
For proper operation, using a ceramic capacitor (CIN) between 1μF and 10μF between the input pin and ground. The input
capacitor must be located a distance of not more than 0.5 inch from the input pin of the IC and returned to a clean analog
ground. The capacitor with larger value and lower ESR (equivalent series resistance) provides better PSRR and linetransient response. The output capacitor must meet both requirements for minimum amount of capacitance and ESR in all
LDOs application for stable operation, use a ceramic capacitor (COUT) between 1μF and 10μF. Larger values in this range
will help improve load transient response and reduce noise. Output capacitors of other dielectric types may be used, but are
not recommended as their capacitance can deviate greatly from their rated value over temperature.
VIN
VIN
CIN
1μF
VOUT
RS3003
VOUT
COUT
1μF
GND
Typical Application Circuit
6
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RS3003
PACKAGE OUTLINE DIMENSIONS
SOT23-3
D
1.90
b
2.59
E1
E
0.99
0.95
0.69
e
e1
RECOMMENDED LAND PATTERN (Unit: mm)
0.2
A A2
L
A1
Symbol
c
θ
Dimensions In Millimeters
Dimensions In Inches
Min
Max
Min
Max
A
1.050
1.250
0.041
0.049
A1
0.000
0.100
0.000
0.004
A2
1.050
1.150
0.041
0.045
b
0.300
0.500
0.012
0.020
c
0.100
0.200
0.004
0.008
D
2.820
3.020
0.111
0.119
E
1.500
1.700
0.059
0.067
E1
2.650
2.950
0.104
0.116
e
0.950(BSC)
0.037(BSC)
e1
1.800
2.000
0.071
0.079
L
0.300
0.600
0.012
0.024
θ
0°
8°
0°
8°
7
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RS3003
SOT89-3L
D
2.0
A
D1
3.0
E
E1
0.7
45°
b1
L
e
1.5
b
c
1.5
e1
1.0
RECOMMENDED LAND PATTERN (Unit: mm)
Symbol
Dimensions In Millimeters
Dimensions In Inches
Min
Max
Min
Max
A
1.400
1.600
0.055
0.063
b
0.320
0.520
0.013
0.020
b1
0.400
0.580
0.016
0.023
c
0.350
0.440
0.014
0.017
D
4.400
4.600
0.173
0.181
D1
1.550 REF
0.061 REF
E
2.300
2.600
0.091
0.102
E1
3.940
4.250
0.155
0.167
e
1.500 BSC
0.060 BSC
e1
3.000 BSC
0.118 BSC
L
0.900
1.200
8
0.035
0.047
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