LTC4210-3
LTC4210-4

RECOMMENDED FOR NEW DESIGNS

Hot Swap Controller in 6-Lead SOT-23 Package

Part Models: 8
1ku List Price: Starting From $2.03

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Part Details

Allows Safe Board Insertion and Removal from a Live Backplane
Adjustable Analog Current Limit with Circuit Breaker
Fast Response Limits Peak Fault Current
Automatic Retry or Latch Off On Current Fault
Adjustable Supply Voltage Power-Up Rate
High Side Drive for External MOSFET Switch
Controls Supply Voltages from 2.7V to 7V
Undervoltage Lockout
Adjustable Overvoltage Protection
Low Profile (1mm) SOT-23 (ThinSOT^™) Package

The LTC4210-3/LTC4210-4 is a 6-pin SOT-23 Hot Swap controller that allows a board to be safely inserted and removed from a live backplane. An internal high side switch driver controls the GATE of an external N-channel MOSFET for a supply voltage ranging from 2.7V to 7V. The LTC4210 provides the initial timing cycle and allows the GATE to be ramped up at an adjustable rate.

The LTC4210 features a fast current limit loop providing active current limiting together with a circuit breaker timer. The signal at the ON pin turns the part on and off and is also used for the reset function.

The LTC4210-3 retries on overcurrent fault and the LTC4210-4 latches off on an overcurrent fault.


	Vin Range	Retry / Latchoff
LTC4210-1	2.7V to 16.5V	Retry After Fault
LTC4210-2	2.7V to 16.5V	Latch Off After Fault
LTC4210-3	2.7V to 7V	Retry After Fault
LTC4210-4	2.7V to 7V	Latch Off After Fault

Applications

Hot Board Insertion
Electronic Circuit Breaker
Industrial High Side Switch/Circuit Breaker

Part Models: 8
1ku List Price: Starting From $2.03

Documentation

Data Sheet 1

LTC4210-3: Hot Swap Controller in 6-Lead SOT-23 Package Data Sheet 05/22/2017

Reliability Data 1

R427 Reliability Data 03/22/2018

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model	Pin/Package Drawing	Documentation	CAD Symbols, Footprints, and 3D Models
LTC4210-3CS6#TRMPBF	6-Lead TSOT-23	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC4210-3CS6#TRPBF	6-Lead TSOT-23	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC4210-3IS6#TRMPBF	6-Lead TSOT-23	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC4210-3IS6#TRPBF	6-Lead TSOT-23	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC4210-4CS6#TRMPBF	6-Lead TSOT-23	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC4210-4CS6#TRPBF	6-Lead TSOT-23	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC4210-4IS6#TRMPBF	6-Lead TSOT-23	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC4210-4IS6#TRPBF	6-Lead TSOT-23	Material Declaration Reliablity Data	Ultra Librarian SamacSys

This is the most up-to-date revision of the Data Sheet.

Hardware Ecosystem

Parts	Product Life Cycle	Description
Low Voltage Hot Swap Controllers 1
LTC4224-1 LTC4224-2		Compact Dual Low Voltage Hot Swap Controller

Tools & Simulations

LTspice

Models for the following parts are available in LTspice:

LTC4210-1
LTC4210-2

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

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