1nF U1 LTC3533EDE 11 CIN 10uF 6.3V RSS 1MEG 10 12 GND PVIN VOUT PVOUT VIN FB RUN/SS VC 1 CSS 0.01uF C7 opt. opt. 8 9 R2 365K 13 26.1K GND 2 RFF 0 COUT 47uF 6.3V C5 opt. C3 1.0uF VOUT [email protected] E4 CFF 47pF 680pF E3 GND CP RZ 14 RT BURST C6 6.8pF R4 215K C4 0.01uF R3 215K 2 JP2 MODE 2 FIXED FREQ. 3 BURST MODE AUTO ON 3 SHDN RUN 4 JP1 VOUT 1 1 RT 33.2K R5 15 E2 PGND PGND C2 150uF 10V 5 6 + SGND E1 3 VIN 1.8V-5.5V 2.2uH TDK RLF7030T2R2M5R4 SW1 D3 CMDSH05-4 D2 CMDSH05-4 E6 7 2.2 E5 SW2 C1 L1 4 R1 SW2 SW1 D1 CMDSH05-4 CUSTOMER NOTICE CONTRACT NO. LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A APPROVALS DATE CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; June Wu 10/26/05 HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO DRAWN TITLE VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL CHECKED LTC3533EDE, APPLICATION. COMPONENT SUBSTITUTION AND PRINTED APPROVED CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT ENGINEER David Burgoon 10/26/05 PERFORMANCE OR RELIABILITY. CONTACT LINEAR SIZE CAGE CODE TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. DESIGNER THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. Thursday, July 07, 2011 SCALE: TECHNOLOGY 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 Fax: (408)434-0507 High Efficiency Synchronous Buck-Boost Converter with Automatic Burst Mode FILENAME: DWG NO REV DC999A SHEET A1 1 OF 1