Linear Technology LTC4229 Hot Swap Controller Datasheet

About this manual

The LTC4229 provides ideal diode functionality to replace high-power Schottky diodes and heat sinks, while its Hot Swap feature allows safe insertion and removal of boards from live backplanes. It controls two external N-channel MOSFETs to regulate forward voltage drop and limit inrush current.

The device includes comprehensive protection features such as foldback current limiting, electronic circuit breakers, undervoltage lockout, and overvoltage protection. It offers adjustable start-up delays and fault reporting via status outputs.

What's inside

• Features
• Applications
• Description
• Typical Application
• Absolute Maximum Ratings
• Pin Configuration
• Order Information
• Electrical Characteristics

Specifications

Frequently asked questions

What functions does the LTC4229 provide?

It offers ideal diode and Hot Swap functions for a power rail by controlling two external N-channel MOSFETs.

How does the device protect against short-circuit faults?

It uses a fast acting foldback current limit and an electronic circuit breaker.