LTC4231HMS-1#TRPBF

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Analog Devices

MICROPOWER HOT SWAP CONTROLLER

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LTC4231HMS-1#TRPBF

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Analog Devices

MICROPOWER HOT SWAP CONTROLLER

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Technical Specifications

Parameters and characteristics for this part

Specification	LTC4231HMS-1#TRPBF

Applications	General Purpose
Current - Supply	4 µA
Features	Latched Fault
Internal Switch(s)	False
Mounting Type	Surface Mount
Number of Channels	1
Operating Temperature [Max]	125 °C
Operating Temperature [Min]	-40 °C
Package / Case	12-TSSOP
Programmable Features	Circuit Breaker, UVLO, OVP, Fault Timeout, Slew Rate, Current Limit
Supplier Device Package	12-MSOP
Type	Hot Swap Controller
Voltage - Supply [Max]	36 V
Voltage - Supply [Min]	2.7 V

LTC4231 Series

Micropower Hot Swap Controller

Part	Number of Channels	Type	Qualification	Voltage - Supply [Max]	Voltage - Supply [Min]	Operating Temperature [Min]	Operating Temperature [Max]	Package / Case	Applications	Supplier Device Package	Grade	Programmable Features	Features	Mounting Type	Current - Supply
Analog Devices LTC4231HMS-1#WPBF	1	Hot Swap Controller	AEC-Q100	36 V	2.7 V	-40 °C	125 °C	12-TSSOP	General Purpose	12-MSOP	Automotive	Circuit Breaker Current Limit Fault Timeout OVP Slew Rate UVLO	Latched Fault	Surface Mount
Analog Devices LTC4231HMS-2#WPBF	1	Hot Swap Controller	AEC-Q100	36 V	2.7 V	-40 °C	125 °C	12-TSSOP	General Purpose	12-MSOP	Automotive	Circuit Breaker Current Limit Fault Timeout OVP Slew Rate UVLO	Auto Retry	Surface Mount
Analog Devices LTC4231CMS-2#PBF	1	Hot Swap Controller		36 V	2.7 V	0 °C	70 °C	12-TSSOP	General Purpose	12-MSOP		Circuit Breaker Current Limit Fault Timeout OVP Slew Rate UVLO	Auto Retry	Surface Mount	4 µA
Analog Devices LTC4231CMS-1#TRPBF	1	Hot Swap Controller		36 V	2.7 V	0 °C	70 °C	12-TSSOP	General Purpose	12-MSOP		Circuit Breaker Current Limit Fault Timeout OVP Slew Rate UVLO	Latched Fault	Surface Mount	4 µA
Analog Devices LTC4231HMS-1#TRPBF	1	Hot Swap Controller		36 V	2.7 V	-40 °C	125 °C	12-TSSOP	General Purpose	12-MSOP		Circuit Breaker Current Limit Fault Timeout OVP Slew Rate UVLO	Latched Fault	Surface Mount	4 µA
Analog Devices LTC4231CUD-1#TRPBF	1	Hot Swap Controller		36 V	2.7 V	0 °C	70 °C	12-WFQFN Exposed Pad	General Purpose	12-QFN (3x3)		Circuit Breaker Current Limit Fault Timeout OVP Slew Rate UVLO	Latched Fault	Surface Mount	4 µA
Analog Devices LTC4231HMS-1#WTRPBF	1	Hot Swap Controller	AEC-Q100	36 V	2.7 V	-40 °C	125 °C	12-TSSOP	General Purpose	12-MSOP	Automotive	Circuit Breaker Current Limit Fault Timeout OVP Slew Rate UVLO	Latched Fault	Surface Mount
Analog Devices LTC4231HMS-2#TRPBF	1	Hot Swap Controller		36 V	2.7 V	-40 °C	125 °C	12-TSSOP	General Purpose	12-MSOP		Circuit Breaker Current Limit Fault Timeout OVP Slew Rate UVLO	Auto Retry	Surface Mount	4 µA
Analog Devices LTC4231IUD-2#TRPBF	1	Hot Swap Controller		36 V	2.7 V	-40 °C	85 °C	12-WFQFN Exposed Pad	General Purpose	12-QFN (3x3)		Circuit Breaker Current Limit Fault Timeout OVP Slew Rate UVLO	Auto Retry	Surface Mount	4 µA
Analog Devices LTC4231HMS-2#WTRPBF	1	Hot Swap Controller	AEC-Q100	36 V	2.7 V	-40 °C	125 °C	12-TSSOP	General Purpose	12-MSOP	Automotive	Circuit Breaker Current Limit Fault Timeout OVP Slew Rate UVLO	Auto Retry	Surface Mount

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Tape & Reel (TR)	2500	$ 4.50

Description

General part information

LTC4231 Series

The LTC4231 is a micropower Hot Swap controller that allows safe circuit board insertion and removal from a live power supply. An internal high side switch driver controls the gate of an external N-channel MOSFET. Back-to-back MOSFETs can be used for reverse supply protection down to –40V.The LTC4231 provides a debounce delay and allows the GATE to be ramped up at an adjustable rate. After startup, the LTC4231's quiescent current drops to 4µA during normal operation with output active. UVL, UVH, OV and GNDSW monitor overvoltage and undervoltage periodically, keeping total quiescent current low. PullingSHDNlow shuts down the LTC4231 and quiescent current drops to 0.3µA.During an overcurrent fault, the LTC4231 actively limits current while running an adjustable timer. The LTC4231-1 remains off after a current fault while the LTC4231-2 automatically reapplies power after a cool-down period.ApplicationsBattery Powered EquipmentSolar Powered SystemsPortable InstrumentsAutomotive Battery ProtectionEnergy Harvesting

LTC4231HMS-1#TRPBF

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LTC4231HMS-1#TRPBF

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Technical Specifications

LTC4231 Series

Pricing

Description

LTC4231 Series

Documents

R547 Reliability Data

Datasheet

Tape and Reel Packaging

LTC4231 Series