LT4356MPS-1#TRPBF datasheet, PDF

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LT4356MPS-1#TRPBF: DescriptionSurge Stopper Automotive 16-Pin SOIC N T/R; File Size310KB，24 Pages; ManufacturerADI; Websitehttps://www.analog.com

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LT4356MPS-1#TRPBF Overview

Surge Stopper Automotive 16-Pin SOIC N T/R

LT4356MPS-1#TRPBF Parametric

Parameter Name	Attribute value
EU restricts the use of certain hazardous substances	Compliant
ECCN (US)	EAR99
Part Status	Active
HTS	8542.39.00.01
Product Category	Surge Stopper
Input Voltage (V)	4 to 80
Minimum Operating Supply Voltage (V)	4
Maximum Operating Supply Voltage (V)	80
Maximum Supply Current (mA)	0.025
Minimum Operating Temperature (°C)	-55
Maximum Operating Temperature (°C)	125
Supplier Temperature Grade	Military
Packaging	Tape and Reel
Pin Count	16
Standard Package Name	SOP
Supplier Package	SOIC N
Mounting	Surface Mount
Package Height	1.5(Max)
Package Length	10.01(Max)
Package Width	3.99(Max)
PCB changed	16
Lead Shape	Gull-wing

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LT4356MP-1/LT4356MP-2

Surge Stopper

FEATURES

DESCRIPTION

The

4356

surge stopper protects loads from high volt-

age transients. It regulates the output during an overvolt-

age event, such as load dump in automobiles, by control-

ling the gate of an external N-channel MOSFET. The output

is limited to a safe value thereby allowing the loads to

continue functioning. The LT4356MP also monitors the

voltage drop between the V

and SNS pins to protect

against overcurrent faults. An internal amplifier limits the

current sense voltage to 50mV. In either fault condition, 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. After a cooldown period, the GATE

pin pulls up turning on the MOSFET again.

The auxiliary amplifier may be used as a voltage detection

comparator or as a linear regulator controller driving an

external PNP pass transistor.

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

for reverse input protection, reducing voltage drop and

power loss. A shutdown pin reduces the quiescent current

to less than 7µA for the LT4356-1 during shutdown. The

LT4356-2 differs from the LT4356-1 during shutdown by

reducing the quiescent current to 60µA and keeping alive

the auxiliary amplifier for uses such as an undervoltage

lockout or always-on regulator.

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, LT4356-1

Adjustable Fault Timer

Controls N-Channel MOSFET

Shutdown Pin Withstands –60V to 100V

Fault Output Indication

Guaranteed Operation –55°C to 125°C

Auxiliary Amplifier for Level Detection Comparator or

Linear Regulator Controller

Available in 10-Pin MSOP or 16-Pin SO Packages

APPLICATIONS

Automotive/Avionic Surge Protection

Hot Swap/Live Insertion

High Side Switch for Battery Powered Systems

Intrinsic Safety Applications

LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and

No R

SENSE

and ThinSOT are trademarks of Analog Devices, Inc. All other trademarks are the

property of their respective owners.

TYPICAL APPLICATION

4A, 12V Overvoltage Output Regulator

12V

10m

IRLR2908

OUT

80V INPUT SURGE

383k

SHDN

100k

UNDERVOLTAGE

OUT

LT4356S

GND

TMR

FLT

4356mp12 TA01

Overvoltage Protector Regulates Output at

27V During Transient

TMR

= 6.8µF

LOAD

= 500mA

102k

OUT

4.99k

DC-DC

CONVERTER

SHDN

GND

FAULT

SNS

GATE

20V/DIV

12V

OUT

20V/DIV

27V ADJUSTABLE CLAMP

12V

100ms/DIV

4356mp12 TA01b

0.1µF

4356mp12fc

For more information

www.linear.com/LT4356MP-1

LT4356MPS-1#TRPBF Related Products

	LT4356MPS-1#TRPBF	LT4356MPS-1#PBF	LT4356MPS-1#TR	LT4356MPS-1
Description	Surge Stopper Automotive 16-Pin SOIC N T/R	Surge Stopper Automotive 16-Pin SOIC N Tube	Surge Stopper Automotive 16-Pin SOIC N T/R	Surge Stopper Automotive 16-Pin SOIC N Tube
EU restricts the use of certain hazardous substances	Compliant	Compliant	Not Compliant	Not Compliant
ECCN (US)	EAR99	EAR99	EAR99	EAR99
Part Status	Active	Active	Unconfirmed	Unconfirmed
Product Category	Surge Stopper	Surge Stopper	Surge Stopper	Surge Stopper
Input Voltage (V)	4 to 80	4 to 80	4 to 80	4 to 80
Minimum Operating Supply Voltage (V)	4	4	4	4
Maximum Operating Supply Voltage (V)	80	80	80	80
Maximum Supply Current (mA)	0.025	0.025	0.025	0.025
Minimum Operating Temperature (°C)	-55	-55	-55	-55
Maximum Operating Temperature (°C)	125	125	125	125
Supplier Temperature Grade	Military	Military	Military	Military
Packaging	Tape and Reel	Tube	Tape and Reel	Tube
Pin Count	16	16	16	16
Standard Package Name	SOP	SOP	SOP	SOP
Supplier Package	SOIC N	SOIC N	SOIC N	SOIC N
Mounting	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package Height	1.5(Max)	1.5(Max)	1.5(Max)	1.5(Max)
Package Length	10.01(Max)	10.01(Max)	10.01(Max)	10.01(Max)
Package Width	3.99(Max)	3.99(Max)	3.99(Max)	3.99(Max)
PCB changed	16	16	16	16
Lead Shape	Gull-wing	Gull-wing	Gull-wing	Gull-wing
HTS	8542.39.00.01	8542.39.00.01	-	8542.39.00.01

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