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LT4363IMS-2#PBF

High Voltage Surge Stopper with Current Limit

Manufacturer:

ADI
Mfr.Part #:

LT4363IMS-2#PBF
Datasheet:

LT4363IMS-2#PBF Datasheet (PDF)
Pbfree Code:

No
Part Life Cycle Code:

Active
Pin Count:

12
Reach Compliance Code:

compliant
EDA/CAD Models:

Request Free CAD Models for LT4363IMS-2#PBF

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LT4363IMS-2#PBF General Description

The LT4363 surge stopper protects loads from high voltage transients. It regulates the output during an overvoltage event, by controlling the gate of an external N-channel MOSFET. The output is limited to a safe value allowing the loads to continue functioning. The LT4363 also monitors the voltage drop between the SNS and OUT pins to protect against overcurrent faults. An internal amplifier limits the voltage across the current sense resistor to 50mV. In either fault condition, a timer is started inversely proportional to MOSFET stress. Before the timer expires, the FLT pin pulls low to warn of an impending power down. If the condition persists, the MOSFET is turned off. The LT4363-1 remains off until reset whereas the LT4363-2 restarts after a cool down period.

Key Features

Withstands Surges Over 80V with V_CC Clamp
Wide Operating Voltage Range: 4V to 80V
Adjustable Output Clamp Voltage
Fast Overcurrent Limit: Less Than 5μs
Reverse Input Protection to –60V
Adjustable UV/OV Comparator Thresholds
Low 7μA Shutdown Current
Shutdown Pin Withstands –60V to 100V
Adjustable Fault Timer
Controls N-Channel MOSFET
Less Than 1% Retry Duty Cycle During Faults, LT4363-2
Available in 12-Pin (4mm × 3mm) DFN, 12-Pin MSOP or 16-Pin SO Packages

Application

Avionic/Industrial Surge Protection
Hot Swap^™/Live Insertion
High Side Switch for Battery Powered Systems
Intrinsic Safety Applications

Specifications

Source Content uid	LT4363IMS-2#PBF	Pbfree Code	No
Part Life Cycle Code	Active	Pin Count	12
Reach Compliance Code	compliant	ECCN Code	EAR99
HTS Code	8542.39.00.01	Analog IC - Other Type	ANALOG CIRCUIT
JESD-30 Code	R-PDSO-G12	Moisture Sensitivity Level	1
Number of Functions	1	Number of Terminals	12
Peak Reflow Temperature (Cel)	260	Surface Mount	YES
Temperature Grade	INDUSTRIAL	Terminal Finish	MATTE TIN
Terminal Form	GULL WING	Terminal Position	DUAL
Time@Peak Reflow Temperature-Max (s)	30	Voltage - Clamping	27V Adj
Technology	External Switch	Number of Circuits	1
Grade	Automotive	Mounting Type	Surface Mount
Voltage - Working	4 ~ 80V	Base Product Number	LT4363