G2542

Global Mixed-mode Technology G2542 6-Channels 40V White LED Driver with Boost Regulator Features „ Wide 2.7V to 5.5V Input Supply Range „ 600KHz Fixed Frequency „ 40V/2A, 0.2Ω n-channel MOSFET „ Maximum Programmable LED Channel Current 30mA „ Current accuracy ±3% and current balance ±2% „ 100Hz~25kHz PWM Dimming „ PWM to DC Dimming „ Protection Š Input Under-Voltage Protection Š Over Current Protection Š Over Voltage Protection Š Thermal Protection „ RoHs Compliant „ TQFN4X4-20 Package Applications „ UMPC and Notebook Computer Backlight Ordering Information ORDER TEMP. NUMBER RANGE G2542R91U 2542 Note:R9: TQFN4X4-20 1: Bonding Code U: Tape & Reel PACKAGE (Green) PACKING -40°C to +85°C TQFN4X4-20 General Description The G2542 is a high-efficiency 6-channel white LED driver. It is designed for LCD panel that employs an LED array as the lighting source. An integrated switch current mode boost controller drives six strings in parallel and supports up to 1...