參數(shù)資料
型號: KA3162
廠商: Fairchild Semiconductor Corporation
英文描述: Single IGBT Gate Driver
中文描述: 單IGBT柵極驅(qū)動器
文件頁數(shù): 7/16頁
文件大?。?/td> 112K
代理商: KA3162
FAN8800 (KA3162)
7
E
Application Information
1. FAULT-OUT DURATION TIME (T
DUR
)
1) Two modes in Fault-Out Duration.
- OCP mode
Fault-Out Duration operates after T
OCP
.
- SCP mode
If Vpin8 is over 6.5V, Fault-Out Duration will operate after T
SCP
.
2) T
DUR
(It can be adjusted by external capacitor (C
DUR
) is
2. SLOW TURN-OFF (T
SLOW
)
1) When SCP (Short Circuit Protection) is operated, Q3 turns on and Q2 turns on.
2) In the upper condition, Q2 flows the constant current of 35mA.
3) The capacitance of IGBT as the load is discharging by 35mA, that is Slow Turn-off.
4) Slow Turn-off time is
T
DUR
C
DUR
55
μ
A
2.7nF 55
μ
A
176
μ
s
5V
1.4V
(
(
)
)
×
×
=
5V
1.4V
=
=
5
L
O
A
D
Vlink
Q3
Q2
Q1
Low
Low
Internal Circuit
T
SLOW
C
IGBT
35mA
4.7nF 35mA
1.9
μ
s
V5max
V5min
(
(
)
×
×
=
15V
1V
)
=
=
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