BL9581 - High Brightness LED Driver

Product Overview

BELLING

Datasheet Details

Part number	BL9581
Manufacturer	BELLING
File Size	316.20 KB
Description	High Brightness LED Driver
Datasheet	BL9581 Datasheet
Additional preview pages of the BL9581 datasheet.

Product details

Description

The BL9581 is a continuous mode inductive step-down converter, designed for driving single or multiple series connected LEDs efficiently from a voltage source higher than the LED voltage.

Features

z Simple low parts count z Internal 36V NDMOS switch z Up to 1.2A output current z Single pin on/off and brightness control using DC voltage or PWM z Soft Start z High efficiency (up to 97%) z Wide input voltage range: 6V to 36V z Output shutdown z Up to 1MHz switching frequency z Inherent open-circuit LED protection z Typical 3% output current accuracy z High-side current sense z Hysteretic control: no compensation z Adjustable constant LED current z Over temperature protection z Pb-free SOT23-.

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Published: Jul 18, 2015 |