LT1681I データシートの表示（PDF） - Linear Technology
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LT1681I Datasheet PDF : 20 Pages
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TYPICAL PERFOR A CE CHARACTERISTICS
LT1681
IBST Boost Supply Current
vs Temperature
5.2
5.1
5.0
4.9
4.8
–55 –40
0
40
80
TEMPERATURE (°C)
125
1681 G04
5VREF Voltage vs Temperature
5.10
ICC Supply Current
vs SHDN Pin Voltage
60
TA = 25°C
UVLO ICC Supply Current
vs Temperature
1
40
0.8
20
0
0 0.2 0.4 0.6 0.8 1.0 1.2
SHDN PIN CURRENT (V)
1681 G05
5VREF Short-Circuit Current Limit
vs Temperature
60
0.6
0.5
–55 –40
0
40
80
TEMPERATURE (°C)
125
1681 G06
Error Amp Reference
vs Temperature
1.260
5.05
1.255
50
5.00
1.250
40
4.95
1.245
4.90
–55 –40
0
40
80
TEMPERATURE (°C)
125
1681 G07
VC Pin Short-Circuit Current Limit
vs Temperature
25
20
15
10
–55 –40
0
40
80
TEMPERATURE (°C)
125
1681 G10
30
–55 –40
0
40
80
TEMPERATURE (°C)
125
1681 G08
Soft-Start Output Current
vs Temperature
12
VSS = 2V
11
10
9
1.240
–55 –40
0
40
80
TEMPERATURE (°C)
125
1681 G09
Soft-Start Output Current
vs Soft-Start Pin Voltage
60
TA = 25°C
40
20
8
–55 –40
0
40
80
TEMPERATURE (°C)
125
1681 G11
0
0
100 200 300 400 500
SOFT-START PIN VOLTAGE (mV)
1681 G12
1681f
5
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