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參數資料
| 型號： | FAN8800 |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | MOSFETs |
| 英文描述： | Single IGBT Gate Drive IC(單IGBT門驅動集成電路) |
| 中文描述： | 2 A AND GATE BASED MOSFET DRIVER, PDIP8 |
| 封裝： | 0.300 INCH, DIP-8 |
| 文件頁數： | 7/15頁 |
| 文件大小： | 122K |
| 代理商： | FAN8800 |
FAN8800 (KA3162)
7
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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