ADD5207
FEATURES
White LED driver based on inductive boost converter Integrated 40 V MOSFET with 1.5 A peak current limit Input voltage range: 6 V to 21 V Maximum output adjustable up to 36 V 600 k Hz to 1 MHz adjustable operating frequency Typical 39 V fixed overvoltage protection (OVP) Built-in soft start for boost converter Drives up to 4 LED current strings LED current adjustable up to 25 m A for each channel Headroom control to maximize efficiency Fixed LED dimming frequency: 8 k Hz LED open fault protection Brightness control with PWM input Dimming controls 4-channel operation: 90 degree phase shift between channels 3-channel operation: 120 degree phase shift between channels General Thermal shutdown Undervoltage lockout 14-lead, 4 mm × 3 mm LFCSP
Four-String, White LED Driver for LCD Backlight Applications ADD5207
GENERAL DESCRIPTION
The ADD5207 is a white LED driver for backlight applications based on high efficiency, current mode, step-up converter technology. It is designed with a...
