SC2440 Просмотр технического описания (PDF) - Semtech Corporation
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SC2440 Datasheet PDF : 26 Pages
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SC2440
POWER MANAGEMENT
Typical Characteristics
VIN Shutdown Current vs VIN
150
125
105°C
100
75
-40°C
50
25
0
0
SS1 = SS2 = 0
5
10
15
20
VIN (V)
VIN Quiescent Current vs VIN
4
25°C
3
105°C
-40°C
2
1
0
0
5
10
15
20
VIN (V)
Soft-Start Pin Current
vs Soft-Start Voltage
0
T = 25°C
-20
VIN =5V
-40
ISS of the
Swept Channel
-60
-80
-100
-120
0.0
ISS of the Other
Channel (VSS = 0)
0.5
1.0
1.5
2.0
VSS (V)
VIN Supply Current
vs Soft-Start Voltage
4
TA = 25°C
3
2
1
0
0.0
VIN = 5V
VSS1 = VSS2
VCOMP1 = 0
VCOMP2 = 0
0.5
1.0
1.5
2.0
VSS (V)
FB Overload Threshold
vs Temperature
1.0
0.9
0.8
0.7
0.6
0.5
-50 -25
0 25 50 75 100 125
Temperature (°C)
PGOOD Threshold to Feedback
Difference Voltage vs Temperature
-90
-92
-94
-96
-98
-100
-50 -25
0 25 50 75 100 125
Temperature (°C)
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