AT9932 - Automotive Boost-Buck LED Lamp Driver

Supertex

AT9932 Datasheet Preview — Preview of AT9932 PDF

Datasheet Details

Part number	AT9932
Manufacturer	Supertex
File Size	659.12 KB
Description	Automotive Boost-Buck LED Lamp Driver
Datasheet	AT9932_Supertex.pdf

AT9932 Product details

Description

The AT9932 is an advanced ﬁxed frequency PWM controller IC designed to control an LED lamp driver using a boost-buck topology that can step the input voltage up or down automatically.

Features

Constant output current Steps output voltage up or down Very low susceptibility to Input voltage transients Frequency jitter Externally programmable ﬁxed switching frequency Temperature foldback with external NTC resistor Internal 40V voltage regulator +/-1A MOSFET gate driver Short LED protection Open LED protection Input undervoltage protection Enable & PWM dimming Trimmed reference (±3% accurate) AEC-Q100 comp.

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Published: Aug 23, 2010 |