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CS8371 Datasheet(PDF) 4 Page - Cherry Semiconductor Corporation

Part # CS8371
Description  8V/1A, 5V/250mA Dual Regulator with Independent Output Enables and NoCap
PDF  8 Pages
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Manufacturer  CHERRY [Cherry Semiconductor Corporation]
Direct Link  http://www.cherrycorp.com/
Logo CHERRY - Cherry Semiconductor Corporation

CS8371 Datasheet(HTML) 4 Page - Cherry Semiconductor Corporation

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4
Typical Performance Characteristics: continued
2.5
2.0
1.5
1.0
0.5
0
0
50
100
150
200
Output Current (mA)
250
-40°C
25
°C
85
°C
Regulator 2 Dropout Voltage
Regulator 1 Current Limit
10
9
8
7
6
5
4
3
2
0 01
2
Reg 1 Output Current (A)
1
3
VIN = 14V
TA = 25°C
10
9
8
7
6
5
4
3
2
0
0
100
200
Reg 2 Output Current (mA)
1
300
VIN = 14V
TA = 25°C
400
500
Regulator 2 Current Limit
9.0
8.5
8.0
7.5
7.0
6.5
6.0
5.5
5.0
4.5
4.0-40
-20
0
2040
6080
Ambient Temperature (
°C)
Enable 1 = 5V
Enable 2 = 5V
VIN = 14V
IOUT 1 = 1A
IOUT 2 = 250mA
Quiescent Current
Quiescent Current
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0-40
-20
0
2040
6080
Ambient Temperature (
°C)
Enable 1 = 0V
Enable 2 = 0V
VIN = 14V
6.0
5.5
5.0
4.5
4.0
3.5
3.0-40
-20
0
2040
6080
Ambient Temperature (
°C)
IOUT = 5mA
IOUT = 1A
Enable 1 = 5V
Enable 2 = 0V
VIN = 14V
Regulator 1 Quiescent Current
4.0
3.8
3.6
3.4
3.2
3.0
2.8
2.6
2.4
2.2
2.0-40
-20
0
2040
6080
Ambient Temperature (
°C)
IOUT = 5mA
IOUT = 250mA
Enable 1 = 0V
Enable 2 = 5V
VIN = 14V
Regulator 2 Quiescent Current
Regulator 1 Load Regulation
8.020
8.015
8.010
8.005
8.000
7.995
7.990
7.985
7.980
0
100
200
300
400
500
600
700
800
900
Output Current (mA)
1000
85
°C
25
°C
-40°C
VIN = 14V
5.02
5.01
5.00
4.99
4.98
4.97
4.96
4.95
4.94
0
50
100
150
200
Output Current (mA)
250
-40°C
25
°C
85
°C
VIN = 14V
Regulator 2 Load Regulation
01
Time (
ms)
23456789
10
11
12
0
1
2
3
4
5
0
1
2
3
4
5
6
7
8
COUT = 0mF
TA = 25°C
IOUT = 5mA
Regulator 1 Startup
Regulator 2 Startup
01
Time (
ms)
23456789
10
11
12
0
1
2
3
4
5
0
1
2
3
4
5
6
7
8
COUT = 0mF
TA = 25°C
IOUT = 5mA
2
1
0
-1
-2
16
14
12
10
0
100
200
300
400
500
Time (ns)
600
COUT = 0mF
TA = 25°C
Regulator 1 Line Transient Response



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