LTM8042/LTM8042-1 TYPICAL APPLICATIONBoost Operation, Driving 9 Red LEDs at 350mA with Analog Dimming UP TO 28V VIN VCC LTM8042 7V TO 24.8V RUN LED+ BSTIN/BKLED– TG PWM BSTOUT/BKIN SYNC 350mA TGEN SS 2.2µF CTL GND RT 2.2µF ANALOG 19.6k CONTROL f VOLTAGE SW = 850kHz 80421 TA06 RELATED PARTS PART NUMBERDESCRIPTIONCOMMENTS LTM8040 36V, 1A, µModule LED Driver and Current Source 4V ≤ VIN ≤ 36V; Open LED and Short-Circuit Protection, 9mm × 15mm × 4.32mm LGA Package LTM8032 EMC 36V, 2A, µModule Regulator EN55022 Class B Compliant; 0.8V ≤ VOUT ≤ 10V LTM4607 Buck-Boost µModule Regulator 4.5V ≤ VIN ≤ 36V; 0.8V ≤ VOUT ≤ 25V, 15mm × 15mm × 2.8mm 80421fb 32 LT 1114 REV B • PRINTED IN USA Linear Technology Corporation 1630 McCarthy Blvd., Milpitas, CA 9 F 5 o 0 r3 m 5-o7re4 inf 17 ormation www.linear.com/LTM8042 (408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com/LTM8042 LINEAR TECHNOLOGY CORPORATION 2010
