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參數資料
| 型號： | IPS5451 |
| 廠商： | International Rectifier |
| 英文描述： | FULLY PROTECTED HIGH SIDE POWER MOSFET SWITCH |
| 中文描述： | 充分保護高壓側功率MOSFET開關 |
| 文件頁數： | 1/12頁 |
| 文件大?。?/td> | 194K |
| 代理商： | IPS5451 |
Features
Over temperature protection (with auto-restart)
Over current shutdown
Active clamp
E.S.D protection
Status feedback
Open load detection
Logic ground isolated from power ground
IPS5451/IPS5451S
Data Sheet No.PD60159-J
Description
The IPS5451/IPS5451S are fully protected five terminal
high side switch with built in short circuit, over-tempera-
ture, ESD protection, inductive load capability and
diagnostic feedback. The over-current protection latches
off the device if the output current exceeds Ishutdown.
It can be reset by turning the input pin low. The over-
temperature protection turns off the high side switches
if the junction temperature exceeds Tshutdown. It will
automatically restart after the junction has cooled 7
o
C
below Tshutdown. A diagnostic pin is provided for status
feedback of over-current, over-temperature and open
load detection. The double level shifter circuitry allows
large offsets between the logic ground and the load
ground.
Product Summary
R
ds(on)
25m
(max)
V
clamp
50V
I
shutdown
35A
I
open load
1A
Typical Connection
FULLY PROTECTED HIGH SIDE POWER MOSFET SWITCH
Packages
5 Lead
TO220 - IPS5451
5 Lead
SMD220
IPS5451S
Truth Table
Op. Conditions
Normal
Normal
Open load
Open load
Over current
Over current
Over-temperature
Over-temperature
In
H
L
H
L
H
L
H
L
Out
H
L
H
X
L
L (cycling)
L
L (latched)
Dg
H
H
L
H
L
H
L (cycling)
H
Load
Logic
signal
control
Logic
Logic Gnd
Load Gnd
Vcc
Out
Gnd
In
Dg
+ 5v
Status
feedback
+ VCC
Rdg
Rin
15K
www.irf.com
1
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