1765EFE Просмотр технического описания (PDF) - Linear Technology
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1765EFE Datasheet PDF : 20 Pages
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LT1765/LT1765-1.8/LT1765-2.5/
LT1765-3.3/LT1765-5
TYPICAL PERFORMANCE CHARACTERISTICS
4
FB vs Temperature (Adj)
1.220
1.215
1.210
1.205
1.200
1.195
1.190
1.185
1.180
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1765 G01
Oscillator Frequency
1.50
1.45
1.40
1.35
1.30
1.25
1.20
1.15
1.10
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1765 G03
SHDN Supply Current vs VIN
7
SHDN = 0V
6
5
4
3
2
1
0
0
5 10 15 20 25 30
VIN (V)
1765 G05
Switch On Voltage Drop
350
300
TA = 125°C
250
200
TA = –40°C
150
TA = 25°C
100
50
0
0
1
2
3
SWITCH CURRENT (A)
1765 G02
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
1765 G04
SHDN IP Current vs Temperature
7
SHDN = 0V
6
5
4
3
2
1
0
0
5 10 15 20 25 30
VIN (V)
1765 G05
1765fd
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