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參數(shù)資料
| 型號(hào)： | MC3423D |
| 廠商： | MOTOROLA INC |
| 元件分類： | 電源管理 |
| 英文描述： | OVERVOLTAGE SENSING CIRCUIT |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| 封裝： | PLASTIC, SOP-8 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 130K |
| 代理商： | MC3423D |
SEMICONDUCTOR
TECHNICAL DATA
OVERVOLTAGE
SENSING CIRCUIT
ORDERING INFORMATION
PIN CONNECTIONS
Order this document by MC3423/D
D SUFFIX
PLASTIC PACKAGE
CASE 751
(SOP–8)
P1 SUFFIX
PLASTIC PACKAGE
CASE 626
1
8
8
1
1
2
3
4
5
6
7
8
VCC
Sense 1
Sense 2
Current
Source
Drive
Output
VEE
Indicator
Output
Remote
Activation
(Top View)
Device
Operating
Temperature Range
Package
TA = 0
°
to +70
°
C
SO–8
Plastic DIP
MC3423D
MC3423P1
1
MOTOROLA ANALOG IC DEVICE DATA
This overvoltage protection circuit (OVP) protects sensitive electronic
circuitry from overvoltage transients or regulator failures when used in
conjunction with an external “crowbar” SCR. The device senses the
overvoltage condition and quickly “crowbars” 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 “two terminal” system, therefore it can be
used with either positive or negative supplies.
MAXIMUM RATINGS
Rating
Symbol
Value
Unit
Differential Power Supply Voltage
VCC–VEE
VSense1
VSense2
Vact
IO
TA
TJ
Tstg
40
Vdc
Sense Voltage (1)
6.5
Vdc
Sense Voltage (2)
6.5
Vdc
Remote Activation Input Voltage
7.0
Vdc
Output Current
300
mA
Operating Ambient Temperature Range
0 to +70
°
C
Operating Junction Temperature
125
°
C
Storage Temperature Range
–65 to +150
°
C
Simplified Application
Vout
Vin
Cout
Current
Limited
DC
Power
Supply
O. V. P.
MC3423
+
Motorola, Inc. 1996
Rev 1
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC3423DG | 功能描述:監(jiān)控電路 6.5V OverVoltage Crowbar Sensing RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MC3423DG | 制造商:ON Semiconductor 功能描述:Power Supply IC |
| MC3423DR2 | 功能描述:監(jiān)控電路 6.5V OverVoltage RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MC3423DR2G | 功能描述:監(jiān)控電路 6.5V OverVoltage Crowbar Sensing RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MC3423P | 制造商:Motorola Inc 功能描述: |
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