LT3741/LT3741-1 TYPICAL APPLICATION20V Regulated Output with 5A Current Limit EN/UVLO EN/UVLO V V IN IN 36V 1µF 22µF RT HG M1 82.5k SYNC 100nF L1 V CBOOT OUT 8.2µH 10mΩ 10A MAXIMUM VREF SW 2.2µF LT3741-1 220µF VCC_INT R 10Ω 10Ω HOT 22µF 45.3k LG M2 CONTROL CTRL1 GND INPUT CTRL2 SENSE+ 10nF RNTC SS SENSE– 187k 470k 10nF FB VC L1: IHLP5050FDER8RZM01 12.1k 30.1k M1: Si7884BDP M2: SiR470DP 3.9nF EN/UVLO EN/UVLO V V IN IN 36V 1µF 22µF RT HG M1 82.5k SYNC 100nF L1 CBOOT 8.2µH 10mΩ VREF SW 2.2µF LT3741-1 VCC_INT R 10Ω 10Ω HOT 22µF 45.3k LG M2 CONTROL CTRL1 GND INPUT CTRL2 SENSE+ 10nF RNTC SS SENSE– 470k 10nF FB VC 3741 TA05 L1: IHLP5050FDER8RZM01 30.1k M1: Si7884BDP M2: SiR470DP 3.9nF RELATED PARTS PART NUMBERDESCRIPTIONCOMMENTS LT3743 Synchronous Step-Down LED Driver 92% Efficiency, IOUT to 20A, VIN: 5.5V to 36V, IQ = 2mA, ISD < 1µA, 4mm × 5mm QFN-28, TSSOP-28E 37411fg 24 LT 1117 REV G • PRINTED IN USA www.linear.com/LT3741 For more information www.linear.com/LT3741 ANALOG DEVICES, INC. 2010 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Typical Application Related Parts Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
