4 3 D1 CMDSH05-4 2 1 10uH C3 10uF 35V U1 C1 22uF 6.3V 2 VIN R4 100K GND E2 C2 0.01uF SYNC VIN 5 1 GND SHDNB 12 CUSTOMER NOTICE 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 CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 5 4 VIN JP5 SHDNB ON 3 R5 1M E17 A OUTB E13 2 GND E12 JP2 MB C OUTB SHDNA 11 GND B OUTA SHDN 10 9 E6 1 2 20 GND PWMB JP1 MA OUTB 16 21 GND E5 OUTA E11 OUTB 17 7 PWMA GND E10 OUTA 19 15 PGOOD 6 PWMB PWMA 1 2 E4 R8 10K 24.3K E19 FB 13 OUTA 18 3 SYNC E3 E18 R3 576K 14 SS C PGOOD 15pF R2 VOUT 8 4 RT R1 42.2K C4 2 OFF R6 1M VIN JP4 SHDNA ON APPROVALS HELEN DATE 9/19/07 CHECKED APPROVED ENGINEER WEI GU 9/19/07 DESIGNER Friday, November 30, 2007 3 JP3 SHDN ON B OFF 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 Fax: (408)434-0507 TECHNOLOGY TITLE 2 OFF R7 1M CONTRACT NO. DRAWN 1 E1 VIN LT3572EUF D VOUT 30V 3 VIN 3V - 5V SW 1 NR4018T100M D 1 1 L1 2 3 5 LT3572EUF A Dual Full-Bridge Piezo Driver with 900mA Boost Converter SIZE CAGE CODE SCALE: DWG NO FILENAME: 2 REV A DC1197A SHEET 1 1 OF 1