LTC4357 LINER [Linear Technology], LTC4357 Datasheet - Page 4

• Manufacturer Part Number: LTC4357
• Description: Positive High Voltage Ideal Diode Controller
• Manufacturer: LINER [Linear Technology]

LTC4357
TYPICAL PERFORMANCE CHARACTERISTICS
4
–25
400
200
–50
800
600
25
0
0
–50
0
V
GATE Current vs Forward Drop
(I
DD
V
GATE(UP)
DD
V
GATE
Current (I
= V
IN
= 2.5V
20
0
= V
400
300
200
100
vs ΔV
0
OUT
FET Turn-Off Time vs Initial
Overdrive
0
V
ΔV
V
DD
IN
V
SD
SD
DD
SD
= 48V
40
50
vs V
(mV)
)
= V
(V)
0.2
INITIAL
DD
)
100
0.4
60
V
–1V
INITIAL
4357 G01
4357 G04
(V)
0.6
150
80
0.8
100
400
300
200
4357 G08
15
10
0
5
0
0
1.0
0
IN Current (I
GATE Voltage vs GATE Current
(ΔV
V
DD
GATE
= V
5
IN
20
vs I
= V
V
V
V
OUT
IN
IN
IN
GATE
IN
10
> 18V
= 12V
= 9V
I
GATE
vs V
V
IN
)
40
(V)
(μA)
IN
15
)
60
2000
1000
1500
20
500
0
–1
4357 G02
4357 G06
FET Turn-Off Time vs Final
Overdrive
V
ΔV
IN
80
25
SD
= 48V
= 55mV V
–0.8
120
500
400
300
200
100
30
90
60
–0.6
0
0
FINAL
V
0
FINAL
0
FET Turn-Off Time vs GATE
Capacitance
OUT Current (I
V
ΔV
V
GATE
DD
SD
10
(V)
–0.4
= V
= 50mV –1V
< V
IN
20
20
IN
= V
+ 1V
OUT
–0.2
30
C
V
GATE
OUT
OUT
4357 G09
40
40
(V)
(nF)
vs V
0
50
OUT
60
60
)
70
4357 G03
4357 G07
4357fb
80
80