Analog Devices ADD5207 White LED Driver Data Sheet

ADD5207 is a four-string white LED driver for LCD backlight applications.

Brand: Analog Devices
Document type: Datasheet
Language: English
Pages: 16
File format: PDF
File size: 422 KB
Published: 02 August, 2012
Updated: 30 September, 2023
MD5 checksum: 892D8523DB6964E9210215673C6B4216
PDF: Analog Devices ADD5207 White LED Driver Data Sheet PDF

About this manual

The Analog Devices ADD5207 is a white LED driver designed for LCD backlight applications. It utilizes high-efficiency current mode step-up converter technology and integrates a 40 V MOSFET with a 1.5 A peak current limit. The device features an input voltage range of 6 V to 21 V and can drive up to four parallel strings of series-connected LEDs.

What's inside

Features
Applications
General Description
Functional Block Diagram
Specifications
Pin Configuration
Theory of Operation
Typical Application Circuits

Specifications

Input Voltage Range	6 V to 21 V
Maximum Output Voltage	36 V
Switching Frequency Range	600 kHz to 1 MHz
Peak Current Limit	1.5 A
LED Strings Supported	Up to 4
Maximum LED Current per Channel	25 mA
Dimming Frequency	8 kHz

Frequently asked questions

What is the operating temperature range for the ADD5207?

The device operates over an industrial temperature range of −25°C to +85°C.

Does the ADD5207 include protection against open LED faults?

Yes, it includes LED open fault protection that automatically disables the faulty current source.

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