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ADD5205 - Four-String White LED Driver

Datasheet Summary

Description

The ADD5205 is a white LED driver for backlight applications based on high efficiency, current mode, step-up converter technology.

It is designed with a 0.3 Ω internal switch and 1 MHz fixed operating frequency.

Features

  • White LED driver based on inductive boost converter Input voltage range: 2.8 V to 18 V Internal compensation 1 MHz fixed operating frequency 28 V fixed overvoltage protection Built-in soft start for boost converter Drives up to 4 LED current sources LED current adjustable up to 25 mA for each channel DC current level brightness control with PWM input LED open fault protection General Thermal shutdown Undervoltage lockout 12-lead, 3 mm × 3 mm × 0.75 mm LFCSP package ADD5205.

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Datasheet preview – ADD5205

Datasheet Details

Part number ADD5205
Manufacturer Analog Devices
File Size 640.86 KB
Description Four-String White LED Driver
Datasheet download datasheet ADD5205 Datasheet
Additional preview pages of the ADD5205 datasheet.

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Full PDF Text Transcription

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www.DataSheet.co.kr Four-String White LED Driver Data Sheet FEATURES White LED driver based on inductive boost converter Input voltage range: 2.8 V to 18 V Internal compensation 1 MHz fixed operating frequency 28 V fixed overvoltage protection Built-in soft start for boost converter Drives up to 4 LED current sources LED current adjustable up to 25 mA for each channel DC current level brightness control with PWM input LED open fault protection General Thermal shutdown Undervoltage lockout 12-lead, 3 mm × 3 mm × 0.75 mm LFCSP package ADD5205 FUNCTIONAL BLOCK DIAGRAM STEP-UP SWITCHING REGULATOR 4-CHANNEL CURRENT SOURCES BRIGHTNESS CONTROL LOGIC UNDERVOLTAGE LOCKOUT SOFT START THERMAL PROTECTION OVERVOLTAGE PROTECTION AUTODISABLE FOR LED OPEN Figure 1.
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