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ADD5203 Datasheet White Led Driver With Smbus And Pwm Input

Manufacturer: Analog Devices

Overview: .. 8-String, White LED Driver with SMBus and PWM Input for LCD Backlight Applications.

General Description

The ADD5203 is a white LED driver for backlight applications based on high efficiency, current-mode, step-up converter technology.

It is designed with a 0.15 Ω, 2.9 A internal switch and a pin-adjustable operating frequency between 350 kHz and 1 MHz.

The ADD5203 contains eight regulated current sources for uniform brightness intensity.

Key Features

  • White LED driver based on inductive boost converter Integrated 50 V MOSFET with 2.9 A peak current limit Input voltage range: 6 V to 21 V Maximum output adjustable up to 45 V 350 kHz to 1 MHz adjustable operating frequency Overvoltage protection (OVP) up to typical 47.5 V Built-in soft start for boost converter Drives up to eight LED current strings LED current adjustable up to 30 mA for each channel Headroom control to maximize efficiency Adjustable dimming frequency: 200 Hz to 10 kHz LED open.

ADD5203 Distributor