AT9919 High Brightness LED Driver

Supertex

Description

Supertex inc.AT9919 Hysteretic, Buck, High Brightness LED Driver with High-Side Current Sensing .
The AT9919 is a PWM controller IC designed to drive high brightness LEDs using a buck topology.

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AT9919 Datasheet Preview — Preview of AT9919 PDF

Datasheet Specifications

Part number: AT9919
Manufacturer: Supertex
File Size: 346.64 KB
Datasheet: AT9919-Supertex.pdf
Description: High Brightness LED Driver

Features

* Hysteretic control with high-side current sensing
* Wide input voltage range: 4.5 to 40V
* >90% Efficiency
* Typical ±5% LED current accuracy
* Up to 2.0MHz switching frequency
* Adjustable constant LED current
* Analog or PWM control

AT9919 Distributors

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AT9919 High Brightness LED Driver Supertex

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