LTC4229 Datasheet Ideal Diode And Hot Swap Controller

Manufacturer: Linear Technology (now Analog Devices)

Datasheet Details

Part number	LTC4229
Manufacturer	Linear Technology (now Analog Devices)
File Size	397.02 KB
Description	Ideal Diode and Hot Swap Controller
Datasheet	LTC4229-Linear.pdf

General Description

The LTC®4229 offers ideal diode and Hot Swap™ functions for a power rail by controlling two external N-channel MOSFETs.

The MOSFET acting as an ideal diode replaces a high power Schottky diode and the associated heat sink, saving power and board area.

The Hot Swap MOSFET control allows a board to be safely inserted and removed from a live backplane by limiting inrush current.

Key Features

n Ideal Diode and Inrush Current Control for Redundant Supplies n Low Loss Replacement for Power Schottky Diode n Protects Output Voltage from Input Brownouts n Allows Safe Hot Swapping from a Live Backplane n 2.9V to 18V Operating Range n Controls Back-to-Back N-Channel MOSFETs n Limits Peak Fault Current in ≤1µs n Adjustable Current Limit with Foldback n Adjustable Start-Up and Current Limit Fault Delay n 0.5µs Ideal Diode Turn-On and Turn-Off Time n Undervoltage and Overvoltage Prote.

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