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CS8481 Datasheet(PDF) 3 Page - ON Semiconductor

Part No. CS8481
Description  3.3 V/250 mA, 5.0 V/100 mA Micropower Low Dropout Regulator with ENABLE
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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CS8481 Datasheet(HTML) 3 Page - ON Semiconductor

   
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CS8481
http://onsemi.com
3
ELECTRICAL CHARACTERISTICS: (6.0 V
≤ VIN ≤ 26 V, IOUT1 = IOUT2 = 100 mA, −40°C ≤ TA ≤ 125°C,
−40
°C ≤ TC ≤ 125°C; unless otherwise specified.)
Characteristic
Test Conditions
Min
Typ
Max
Unit
Primary Output Stage (VOUT1)
Output Voltage, VOUT1
100
mA ≤ IOUT1 ≤ 250 mA
3.2
3.3
3.4
V
Line Regulation
6.0 V
≤ VIN ≤ 26 V
5.0
50
mV
Load Regulation
1.0 mA
≤ IOUT1 ≤ 250 mA, VIN = 14 V
5.0
50
mV
Quiescent Current
ENABLE = HIGH, VIN = 16V, IOUT1 = 250 mA
22
50
mA
Ripple Rejection
f = 120 Hz, IOUT1 = 125 mA, 7.0 V ≤ VIN ≤ 17 V
60
70
dB
Current Limit
9.0 V
≤ VIN ≤ 26 V
260
400
mA
Short Circuit Current Limit
VOUT1 = 0 V, VIN = 16 V
25
mA
Reverse Current
VOUT1 = 3.3 V, VIN = 0 V
100
1500
mA
Secondary Output (VOUT2)
Output Voltage, (VOUT2)
100
mA ≤ IOUT2 ≤ 100 mA
4.85
5.00
5.15
V
Dropout Voltage
IOUT2 = 100 mA
IOUT2 = 100 mA
400
100
600
150
mV
mV
Line Regulation
6.0 V
≤ VIN ≤ 26 V
5.0
50
mV
Load Regulation
100
mA ≤ IOUT2 ≤ 100 mA, VIN = 14 V
5.0
50
mV
Quiescent Current
ENABLE = LOW, VIN = 12.8 V
ENABLE = HIGH, VIN = 16 V, IOUT2 = 100 mA
100
8.0
150
30
mA
mA
Ripple Rejection
f = 120 Hz; IOUT2 = 10 mA, 7.0 V ≤ VIN ≤ 17 V
60
70
dB
Current Limit
9.0 V
≤ VIN ≤ 26 V
105
200
mA
Short Circuit Current Limit
VOUT2 = 0 V, VIN = 16 V, IOUT1 = 0 A
25
mA
Reverse Current
VOUT2 = 5.0 V, VIN = 0 V
100
250
mA
ENABLE Function (ENABLE)
Input Threshold
ENABLE = LOW, 6.0 V
≤ VIN ≤ 26 V
ENABLE = HIGH, 6.0 V
≤ VIN ≤ 26 V
2.0
1.2
1.2
0.8
V
V
Input Bias Current
0 V
≤ VENABLE ≤ 5.0 V
−2.0
0
2.0
mA
Protection Circuits
Overtemperature Threshold
Note 2
150
180
°C
Overvoltage Shutdown
30
34
38
V
2. Guaranteed by Design.
PACKAGE PIN DESCRIPTION
PACKAGE LEAD #
D2PAK−5
LEAD SYMBOL
FUNCTION
1
VIN
Supply voltage to IC, usually direct from battery.
2
VOUT1
3.3 V regulated output which is activated by ENABLE input.
3
GND
Ground connection.
4
VOUT2
Standby output 5.0 V, 100 mA capability; always on.
5
ENABLE
CMOS compatible input lead; switches VOUT1. When ENABLE
is high, VOUT1 is active.


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