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MC3423D Datasheet

  • MC3423D

  • ON Semiconductor [OVERVOLTAGE SENSING CIRCUIT]

  • 86.82KB

  • ONSEMI

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MC3423
Overvoltage Crowbar
Sensing Circuit
This overvoltage protection circuit (OVP) protects sensitive electronic
circuitry from overvoltage transients or regulator failures when used in
conjunction with an external 鈥渃rowbar鈥?SCR. The device senses the
overvoltage condition and quickly 鈥渃rowbars鈥?or short circuits the supply,
forcing the supply into current limiting or opening the fuse or circuit breaker.
The protection voltage threshold is adjustable and the MC3423 can be
programmed for minimum duration of overvoltage condition before tripping,
thus supplying noise immunity.
The MC3423 is essentially a 鈥渢wo terminal鈥?system, therefore it can be
used with either positive or negative supplies.
OVERVOLTAGE
SENSING CIRCUIT
SEMICONDUCTOR
TECHNICAL DATA
P1 SUFFIX
PLASTIC PACKAGE
CASE 626
8
MAXIMUM RATINGS
Rating
Differential Power Supply Voltage
Sense Voltage (1)
Sense Voltage (2)
Remote Activation Input Voltage
Output Current
Operating Ambient Temperature Range
Operating Junction Temperature
Storage Temperature Range
Symbol
VCC鈥揤EE
VSense1
VSense2
Vact
IO
TA
TJ
Tstg
Value
40
6.5
6.5
7.0
300
0 to +70
125
鈥?5 to +150
Unit
Vdc
Vdc
Vdc
8
1
Vdc
mA
掳C
掳C
掳C
1
D SUFFIX
PLASTIC PACKAGE
CASE 751
(SOP鈥?)
PIN CONNECTIONS
VCC 1
8
7
6
5
(Top View)
Drive
Output
VEE
Indicator
Output
Remote
Activation
Simplified Application
Sense 1 2
Sense 2 3
Current
4
Source
Vin
Current
Limited
DC
Power
Supply
+
Cout
Vout
O. V. P.
MC3423
ORDERING INFORMATION
Device
MC3423D
MC3423P1
Operating
Temperature Range
TA = 0掳 to +70掳C
Package
SO鈥?
Plastic DIP
Rev 1
漏
Motorola, Inc. 1996
MOTOROLA ANALOG IC DEVICE DATA
1

MC3423D PDF文件相关型号

MC3423DG,MC3423DR2

MC3423D 产品属性

  • 98

  • 过电压，电流，温度装置

  • TVS - 其它复合

  • MC3423

  • -

  • -

  • 混合技术

  • -

  • 2

  • 通用

  • 8-SOIC（0.154"，3.90mm 宽）

  • 8-SOICN

  • 管件

  • MC3423DOS

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