SC1457 データシートの表示（PDF） - Semtech Corporation
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SC1457 Datasheet PDF : 13 Pages
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SC1457
POWER MANAGEMENT
Typical Characteristics
Quiescent Current vs. Junction Temperature
vs. Input Voltage
120
IOUT = 150mA
100
VIN = 6.5V
80
VIN = 3.8V
60
40
20
0
-50
-25
0
25
50
75
100
125
TJ (°C)
Output Voltage vs. Junction Temperature
vs. Output Current
0.00
-0.05
IOUT = 1mA
-0.10
-0.15
-0.20
IOUT = 50mA
100mA ≤ IOUT ≤ 150mA
-0.25
VIN = VOUT + 1V
-0.30
-50
-25
0
25
50
TJ (°C)
75
100
125
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
200
VIN = 6.5V
175 VEN = 0V
150
125
100
75
50
25
0
-50
-25
0
25
50
75
100
125
TJ (°C)
Line Regulation vs. Junction Temperature
vs. Input Voltage Change
12
IOUT = 1mA
10
8
VIN = VOUT + 1V to 6.5V
6
4
2
VIN = VOUT + 1V to 5.5V
0
-50
-25
0
25
50
75
100
125
TJ (°C)
Current Limit vs. Junction Temperature
0.90
0.85
0.80
0.75
0.70
0.65
0.60
0.55
0.50
0.45
0.40
-50
vs. Input Voltage
VIN = 6.5V
VIN = 3.8V
-25
0
25
50
75
TJ (°C)
100
125
2004 Semtech Corp.
7
www.semtech.com
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