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HV9919B - High Brightness LED Driver

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Microchip

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HV9919B High Brightness LED Driver by Microchip - Datasheet Preview — Datasheet preview – HV9919B

Datasheet Details

Part number	HV9919B
Manufacturer	Microchip
File Size	324.00 KB
Description	High Brightness LED Driver
Datasheet	HV9919B Datasheet
Additional preview pages of the HV9919B datasheet.

Product details

Description

HV9919B is a Pulse-Width Modulation (PWM) controller IC designed to drive high-brightness LEDs using a buck topology.

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 signal for PWM dimming.
Over-temperature protection.
-40ºC to +125ºC operating temperature range.

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Published: Jan 3, 2017 |