LM3478 Datasheet - National Semiconductor

LM3478, High Efficiency Low-Side N-Channel Controller

LM3478 High Efficiency Low-Side N-Channel Controller for Switching Regulator May 2003 LM3478 High Efficiency Low-Side N-Channel Controller for Switc.
The LM3478 is a versatile Low-Side N-FET switching regulator controller.

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Datasheet Details

Part number:

LM3478

Manufacturer:

National Semiconductor

File Size:

624.76 KB

Description:

High Efficiency Low-Side N-Channel Controller

Features

* such as thermal shutdown, short-circuit protection, over voltage protection, etc. Power saving shutdown mode reduces the total supply current to 5µA and allows power supply sequencing. Internal soft-start limits the inrush current at start-up. n 10µA shutdown current (over temperature) Features 8-l

Applications

* n n n n n Distributed Power Systems Battery Chargers Offline Power Supplies Telecom Power Supplies Automotive Power Systems Key Specifications n Wide supply voltage range of 2.97V to 40V n 100kHz to 1MHz Adjustable clock frequency n ± 2.5% (over temperature) internal reference Typical Application

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LM3478 High Efficiency Low-Side N-Channel Controller National Semiconductor

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