LC2770 - LEADCHIP

LC2770 40V Synchronous Constant Current LED Driver

LC2770 is a 40V synchronous constant current buck LED driver, with 55mΩ High-Side and 20mΩ Low-Side MOSFETs integrated, minimal external component requirement and high efficiency, ideal for car lamp applications. Adjustable Output Current up to 3.5A with ±3% accuracy. RISEN resistor is used to set the output current. No external compensation component needed.

Features

 Build in power MOSFETs
 Adjustable output current, IFB=150mV
 Constant current accuracy: ±3%
 No external compensation needed
 Internal thermal regulation
 Under voltage lock-out
 Minimum external components
 Available in SOP8 package APPLICATIONS
 LED lamp for automobile ORDERING INFORMATION PART No. PACKAGE LC2770CD8TR SOP-8 Tape&Reel 4000/Reel 2500/Reel TYPICAL APPLICATION PIN OUT & MARKING Vin VIN 47uF 2.2uF 100nF BS 33uH SW LC2770 IFB 100uF 2.2uF EN GND 50mΩ LC2770 XXXX YW VIN SW BS SW IFB GND EN GND SOP-8 LC2770: Product Code XXXX: Lot No. YW: Date co.