LT1961IMS8E-PBF データシートの表示（PDF） - Linear Technology
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LT1961IMS8E-PBF Datasheet PDF : 16 Pages
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LT1961
TYPICAL PERFORMANCE CHARACTERISTICS
FB vs Temperature
1.22
1.21
1.20
1.19
1.18
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1961 G01
SHDN Threshold vs Temperature
1.40
1.38
1.36
1.34
1.32
1.30
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1961 G04
SHDN Supply Current
300
TA = 25°C
VIN = 15V
250
200
150
100
50
0
0 0.2 0.4 0.6 0.8 1 1.2 1.4
SHUTDOWN VOLTAGE (V)
1961 G07
Switch On Voltage Drop
400
125°C
350
300
25°C
250
200
–40°C
150
100
50
0
0
0.5
1
1.5
SWITCH CURRENT (A)
1961 G02
SHDN Supply Current vs VIN
7
TA = 25°C
SHDN = 0V
6
5
4
3
2
1
0
0
5 10 15 20
VIN (V)
Input Supply Current
1200
TA = 25°C
1000
25 30
1961 G05
800
MINIMUM
INPUT
600
VOLTAGE
400
200
0
0
5 10 15 20 25 30
INPUT VOLTAGE (V)
1961 G08
Oscillator Frequency
1.5
TA = 25°C
1.4
1.3
1.2
1.1
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1961 G03
SHDN IP Current vs Temperature
–12
–10
SHUTTING DOWN
–8
–6
–4
STARTING UP
–2
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1961G06
Current Limit Foldback
2.0
40
TA = 25°C
1.5
30
SWITCH CURRENT
1.0
20
0.5
10
FB CURRENT
0
0
0 0.2 0.4 0.6 0.8 1 1.2
FEEDBACK VOLTAGE (V)
1961 G09
1961fa
4
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