5 4 3 2 1 REVISION HISTORY ECO REV DESCRIPTION 3 D ON OFF R1 4.7M 5% C1 604K 10pF 1 FBK1 GND R8 R9 604K 402K 301K LTC3407EMS VIN 1.8V 1.5V R5 1.2V E4 1 C L2 SW2 7 VOUT2 E3 2.2uH FBK2 10 C2 R6 10pF 887K 2.5V @ 600mA COUT2 C4 10uF OPTIONAL 6.3V GND R7 BURST MODE E6 280K 2 3 JP3 5% R10 4.7M 5% B 4.7M POR 8 MODE/SYNC R4 OFF 6 COUT1 10uF 6.3V GND C3 CH.2 RUN2 9 4 SW1 5 2.2uH OPTIONAL 2 RUN1 ON R3 100K L1 VOUT1 E2 R2 U1 3 JP2 2 JP1 2 1 CH.1 E5 1.2V/1.5V/1.8V @ 600mA D VIN 3 CIN 10uF 6.3V 1 + 3 E1 C JP4 1 B POR PULSE SKIP E7 CONTRACT NO. APPROVALS DRAWN MEI DATE 02/19/03 CHECKED A APPROVED ENGINEER DESIGNER Wednesday, June 11, 2003 5 APPROVED 02/19/03 VIN VIN 2.5V-5.5V C5 47uF 10V GND DATE PROTO 4 3 TECHNOLOGY 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 Fax: (408)434-0507 TITLE A SCH, LTC3407EMS DUAL DC/DC CONVERTER SIZE CAGE CODE DWG NO FILENAME: 568A-3.DSN SCALE: 2 REV DC568A 3 SHEET 1 1 OF 1