APW7228B - 4-Channel LED Backlight Controller

Datasheet Summary

Description

4 Channels 5.5V to 30V Input Voltage Supply

The APW7228B is a high efficiency driver for 4 channels of LEDs.

Features

General.

ANPEC

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Datasheet Details

Part number	APW7228B
Manufacturer	ANPEC
File Size	570.03 KB
Description	4-Channel LED Backlight Controller
Datasheet	APW7228B Datasheet
Additional preview pages of the APW7228B datasheet.

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Full PDF Text Transcription

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APW7228B 4-Channel LED Backlight Controller Features General Description • 4 Channels • 5.5V to 30V Input Voltage Supply • Drive up to 68 (17x4) White LEDs The APW7228B is a high efficiency driver for 4 channels of LEDs. It contains an adjustable-frequency currentmode PWM step-up controller, a 5V linear regulator, dim- (3.5V/160mA Each) ming control circuit and eight regulated current source • Current Match (Balance) ±1% (Typ.) circuit. • Current Accuracy ±1% (Typ.) The APW7228B is capable of driving typically 68 (4x17) • External PWM Input from 100Hz to 50kHz Dim- pieces of 3.5V/160mA LEDs.

Published: Aug 17, 2020 |