HV9985 - LED Driver

Product Overview

Supertex

Part number	HV9985
Manufacturer	Supertex
File Size	901.56 KB
Description	LED Driver
Datasheet	HV9985 Datasheet
Additional preview pages of the HV9985 datasheet.

The HV9985 is a three-channel peak current mode PWM controller for driving single switch converters in a constant output current mode.

It can be used for driving either RGB LEDs or multiple channels of white LEDs.

Switch mode controller for single-switch converters.
Gate drivers optimized for driving Logic Level FETs.
0.25A sourcing.
0.5A sinking.
Typical ±2% absolute and string-to-string current accuracy (with ±1% sense resistors).
High PWM dimming ratio up to 5000:1.
10-40V input range.
Constant frequency operation up to 1.0MHz.
On-chip clock or external clock option.
Programmable slope compensation.
Linear and PWM dimming.
Output shor.

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Published: Jul 11, 2009 |