5 4 3 2 1 L1 100uH DO2010-104MLB E1 SHDN GND C2 0.22uF RUN SHDN E2 JP1 SW 4 D VCC 2 VIN 3V to 10V 1 SHDN E3 C1 0.1uF 0603 D CAP 10 VOUT 9 R1 1M R3 604K E9 C5 0.1uF VOUT1 8 C4 200pF C 12 FBP 6 IN2 IN2 E6 VOUT2 7 R5 1M 5 IN1 E7 16V 10mA @ 10VIN E4 E5 GND VOUT1 C VOUT2 GND 3 13 R6 1M GND C6 200pF IN1 1.6mA @ 3VIN E8 C3 1uF 11 VREF R4 412K VOUT U1 LT8415EDDB B CUSTOMER NOTICE CONTRACT NO. LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION. COMPONENT SUBSTITUTION AND PRINTED CIRUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. A THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 5 4 B 3 APPROVALS TECHNOLOGY DRAWN: CHECKED: APPROVED: ENGINEER: JESUS R. DESIGNER:AntoninaK. TITLE: LT8415EDDB, 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 Fax: (408)434-0507 LTC Confidential-For Customer Use Only ULTRALOW POWER BOOST A CONVERTER WITH DUAL HALF BRIDGE SWITCHES SIZE A DATE: DWG NO. REV DC1449A 2 Tuesday, March 24, 2009 SHEET 2 1 1 OF 1