IS32BL3554 Datasheet BOOST TYPE LED DRIVER

Manufacturer: ISSI (now Infineon)

Overview: IS32BL3554 BOOST TYPE LED DRIVER WITH 4-CHANNEL CURRENT SOURCE Preliminary Information July 2014.

IS32BL3554 boost type led driver by ISSI (now Infineon) - Datasheet Preview

Datasheet Details

Part number	IS32BL3554
Manufacturer	ISSI (now Infineon)
File Size	346.49 KB
Description	BOOST TYPE LED DRIVER
Download	IS32BL3554 Download (PDF)

General Description

The IS32BL3554 is a white LED driver for backlight applications based on a highly efficient boost controller operating over a wide input voltage range of 4.5V to 33V.

The IS32BL3554 contains four regulated current sources with 1.5% (Typ.) current matching between strings for a uniform LED brightness.

Each current source can be programmed via an external resistor to drive from 20mA to 180mA.

Key Features

to prevent damage during fault conditions. Protection features include an internal soft-start circuit to prevent a high inrush current during startup, open/short LED protection to automatically disable a faulty current source, over temperature protection (OTP), cycle-by-cycle current limit, under voltage lockout (UVLO), programmable OVP, VOUT short / Schottky diode open protection and Schottky Diode short-circuit protection. The IS32BL3554 is available in a thermally enhanced eTSSOP-16 package.

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