LT4356IDE-3-TR Ver la hoja de datos (PDF) - Linear Technology
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LT4356IDE-3-TR Datasheet PDF : 24 Pages
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LT4356-3
TYPICAL PERFORMANCE CHARACTERISTICS
Specifications are at VCC = 12V, TA = 25°C unless otherwise noted.
Overcurrent TMR Current vs
(VCC – VOUT)
280 OVERCURRENT CONDITION
VOUT = 0V
240 VTMR = 1V
200
160
120
80
40
0
0 10 20 30 40 50 60 70 80
VCC – VOUT (V)
43563 G13
Warning Period
TMR Current vs VCC
14 OVERVOLTAGE, EARLY
WARNING PERIOD
12 VFB = 1.5V
VTMR = 1.3V
10
8
6
4
2
0
0 10 20 30 40 50 60 70 80
VCC (V)
43563 G14
TMR Pull-Down Current vs
Temperature
3.0 VTMR = 1V
2.5
2.0
1.5
1.0
0.5
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
43563 G15
Output Low Voltage vs Current
4.0
3.5
AOUT
3.0
2.5
FLT
2.0
EN
1.5
1.0
0.5
0
0 0.5 1.0 1.5 2.0 2.5 3.0
CURRENT (mA)
43563 G16
Overvoltage Turn-Off Time vs
Temperature
500
OVERVOLTAGE CONDITION
VFB = 1.5V
400
300
200
100
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
43563 G17
Overcurrent Turn-Off Time vs
Temperature
4.0
OVERCURRENT CONDITION
∆VSNS = 120mV
3.5
3.0
Reverse Current vs Reverse
Voltage
–20
VCC = SNS
–15
2.5
–10
2.0
–5
1.5
6
1.0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
43563 G18
0
0
–20
–40
–60
–80
VCC (V)
43563 G19
43563fb
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