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LTC4357 Datasheet(PDF) 4 Page - Linear Technology

Part # LTC4357
Description  Positive High Voltage Ideal Diode Controller
PDF  14 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC4357 Datasheet(HTML) 4 Page - Linear Technology

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LTC4357

4357fd
typical perForMance characteristics
OUT Current (IOUT vs VIN)
FET Turn-Off Time
vs GATE Capacitance
FET Turn-Off Time
vs Initial Overdrive
GATE Current vs Forward Drop
(IGATE vs DVSD)
DVGATE vs GATE Current
(
DVGATE vs IGATE)
VSD (mV)
–50
–50
–25
0
25
0
50
4357 G04
100
150
VGATE = 2.5V
IGATE (µA)
0
0
5
10
15
5
10
15
20
4357 G05
25
VIN > 18V
VIN = 12V
VIN = 9V
VIN (V)
0
75
100
125
6
10
14
4357 G06
50
25
0
2
4
8
12
VOUT = 12V, VIN = VDD
VINITIAL (V)
0
200
300
0.8
4357 G08
100
0
0.2
0.4
0.6
1.0
400
VIN = 48V
VSD = VINITIAL –1V
FET Turn-Off Time
vs Final Overdrive
VFINAL (V)
–1
1000
1500
–0.2
4357 G09
500
0
–0.8
–0.6
–0.4
0
2000
VIN = 48V
VSD = 55mV VFINAL
FET Load Current vs
DVSD
CGATE (nF)
0
300
400
500
80
4357 G07
200
100
0
20
40
60
VGATE < VIN + 1V
VSD = 55mV –1V
∆VSD (mV)
0
6
8
10
75
4357 G10
4
2
0
25
50
VIN = 48V WITH FET (FDB3632)



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