SC1454XIMSTRT Просмотр технического описания (PDF) - Semtech Corporation
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SC1454XIMSTRT Datasheet PDF : 14 Pages
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SC1454
POWER MANAGEMENT
Typical Characteristics (Cont.)
Dropout Voltage vs. Output Current
vs. Junction Temperature
200
175
150
125
100
75
Top to bottom:
50
TJ = 125°C
TJ = 25°C
25
TJ = -40°C
0
0
25
50
75
100
125
150
IOUT (mA)
Line Regulation vs.
Junction Temperature
10
9 IOUT = 1mA
8
VIN = VOUT + 1V to 6.5V
7
6
5
4
3
2
VIN = VOUT + 1V to 5.5V
1
0
-50
-25
0
25
50
75
100
125
TJ (°C)
Current Limit vs. Junction Temperature
vs. Input Voltage
800
750
VIN = 6.5V
700
650
600
550
VIN = 3.8V
500
450
400
-50
-25
0
25
50
75
100
125
TJ (°C)
Dropout Voltage vs. Junction Temperature
vs. Output Current
200
175
IOUT = 150mA
150
125
100
75
50
IOUT = 50mA
25
0
-50
-25
0
25
50
75
100
125
TJ (°C)
Load Regulation vs.
Junction Temperature
10
9
VIN = VOUT + 1V
IOUT = 0.1mA to 150mA
8
7
6
5
4
3
2
1
0
-50
-25
0
25
50
75
TJ (°C)
100
125
Off-State Quiescent Current
vs. Junction Temperature
400
VIN = 6.5V
350 VENA = VENB = 0V
300
250
200
150
100
50
0
-50
-25
0
25
50
75
100
125
TJ (°C)
2005 Semtech Corp.
9
www.semtech.com
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