Datasheet > 信号电路 > 其他模拟IC> LT4356IMS-3TRPBF

LT4356IMS-3TRPBF

更新时间： 2024-12-01 05:43:35

品牌	Logo	应用领域
凌特 - Linear		/
页数	文件大小	规格书
24页	217K
描述
Surge Stopper with Fault Latchoff

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中文翻译

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LT4356IMS-3TRPBF 数据手册

LT4356-3

Surge Stopper with

Fault Latchoff

FEATURES

DESCRIPTION

The LT^®4356-3 surge stopper protects loads from high

voltage transients. It regulates the output during an

overvoltage event, such as load dump in automobiles,

by controlling the gate of an external N-channel MOSFET.

The output is limited to a safe value thereby allowing the

loadstocontinuefunctioning.TheLT4356-3alsomonitors

Stops High Voltage Surges

Adjustable Output Clamp Voltage

Overcurrent Protection

Wide Operation Range: 4V to 80V

Reverse Input Protection to –60V

Low 7μA Shutdown Current

Adjustable Latchoff Fault Timer

the voltage drop between the V and SNS pins to protect

Controls N-channel MOSFET

against overcurrent faults. An internal ampliﬁer limits

the current sense voltage to 50mV. In either fault condi-

tion, a timer is started inversely proportional to MOSFET

stress. If the timer expires, the FLT pin pulls low to warn

of an impending power down. If the condition persists,

the MOSFET is turned off, until the SHDN pin pulls low

momentarily.

Shutdown Pin Withstands –60V to 100V

Fault Output Indication

Spare Ampliﬁer for Level Detection Comparator or

Linear Regulator Controller

Available in (4mm × 3mm) 12-Pin DFN,

10-Pin MSOP or 16-Pin SO Packages

The spare ampliﬁer may be used as a voltage detection

comparator or as a linear regulator controller driving an

external PNP pass transistor.

APPLICATIONS

Automotive/Avionic Surge Protection

Hot Swap/Live Insertion

Back-to-back FETs can be used in lieu of a Schottky diode

for reverse input protection, reducing voltage drop and

powerloss. Ashutdownpinreducesthequiescentcurrent

to less than 7μA during shutdown.

High Side Switch for Battery Powered Systems

Intrinsic Safety Applications

L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.

All other trademarks are the property of their respective owners.

TYPICAL APPLICATION

4A, 12V Overvoltage Output Regulator

Overvoltage Protector Regulates Output at

27V During Transient

10mΩ

IRLR2908

OUT

12V

LOAD

= 6.8μF

= 500mA

80V INPUT SURGE

TMR

10Ω

102k

SNS GATE OUT

20V/DIV

383k

SHDN

12V

4.99k

27V ADJUSTABLE CLAMP

100ms/DIV

DC-DC

LT4356DE-3

OUT

CONVERTER

20V/DIV

100k

SHDN

GND

UNDERVOLTAGE

FLT

FAULT

LT4356-3TA01b

OUT

GND

TMR

43563 TA01

0.1μF

43563f

12 3 4 5 6 7...24

中文翻译

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与LT4356IMS-3TRPBF相关器件

型号	品牌	获取价格	描述	数据表
LT4356IS-1	Linear	获取价格	IC 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16, 0.150 INCH, PLASTIC, SOP-16, Power Manageme
LT4356IS-1#PBF	Linear	获取价格	LT4356-1 and LT4356-2 - Surge Stopper; Package: SO; Pins: 16; Temperature Range: -40&d
LT4356IS-1#TRPBF	Linear	获取价格	LT4356-1 and LT4356-2 - Surge Stopper; Package: SO; Pins: 16; Temperature Range: -40&d
LT4356IS-2	Linear Systems	获取价格	Surge Stopper
LT4356IS-3	Linear	获取价格	Surge Stopper with Fault Latchoff
LT4356IS-3#PBF	Linear	获取价格	LT4356-3 and LT4356MP-3 - Surge Stopper with Fault Latchoff; Package: SO; Pins: 16; Temper
LT4356IS-3#TR	Linear	获取价格	IC SPECIALTY ANALOG CIRCUIT, PDSO16, PLASTIC, SOP-16, Analog IC:Other
LT4356IS-3#TRPBF	Linear	获取价格	LT4356-3 and LT4356MP-3 - Surge Stopper with Fault Latchoff; Package: SO; Pins: 16; Temper
LT4356IS-3PBF	Linear	获取价格	Surge Stopper with Fault Latchoff
LT4356IS-3TRPBF	Linear	获取价格	Surge Stopper with Fault Latchoff

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