A NOTES: B C D E UNLESS OTHERWISE SPECIFIED 1. ALL RESISTORS ARE IN OHMS AND 1%. ALL TBD RES ARE IN 5%. 2. ALL STARS ARE SGND CONNECTION. VIN E10 2 2 VIN 4 4 C4 1 * E8 BOOST2 BG1 BG2 TG1 TG2 SW1 SW2 R10 TBD 5 6 7 8 24 1UF 23 22 C16 1UF 21 4 Q5 FDS6670A 4 1UH D4 MBRS320T3 TBD 7 8 C13 TBD 9 1.8V 2.0V 2.5V R5 10K R6 40.2K R7 20K R16 ??? 10 1 1.6V C7 1UF BURST 2 JP4 11 12 IMAX1 PWRGD1 FCB RUN/SS1 COMP1 PGND PWRGD2 FAULT RUN/SS2 COMP2 SGND FB2 FB1 VCC 5 6 7 8 19 R11 18 4 Q7 FDS6670A 17 2 4 20 4 1 2 3 Q4 FDS6670A 6 VOUT2+ 3.3V 15A E4 L2 Q6 FDS6670A 1 2 3 BOOST1 C24 IMAX2 5 6 7 8 PVCC 5 6 7 8 8 7 6 5 8 7 6 5 4 VIN GND GND E9 10UF 1 Q3 FDS6670A TBD R4 10K 3 5 R2 3 2 1 C12 180UF C3 330UF 1 4 C11 180UF C2 330UF 1 2 3 3 2 1 3 2 1 3 3 2 1 C10 180UF 2 4 2 C9 180UF Q2 FDS6670A C1 330UF U1 1 L1 1UH D3 MBRS320T3 R3 C8 1UF 4 D1 MBR0520LT1 1 2 3 VOUT1+ 1 .6V, 1.8V, OR 2.0V @ 15A E1 Q1 FDS6670A C6 1UF 8 7 6 5 1UF C5 1UF 8 7 6 5 C23 R1 10 5% 1 D2 MBR0520LT1 TBD Q8 FDS6670A C18 TBD 16 R12 15.8K C19 180UF C25 180UF C26 180UF C27 180UF C20 1UF 3 15 C17 1UF 14 GND E11 R13 4.99K 13 JP1 R8 10K JP2 JP3 * 2 2 2 * * * * PWRGD1 E2 VIN LTC1702CGN 3 1 1 1 CONTINUOUS VIN * * * R14 10K * PWRGD2 E5 FAULT E6 SD1 E3 SD2 R9 E7 R15 2 2 TBD C14 TBD TBD C15 TBD C21 TBD CONFIDENTIAL INFORMATION APPROVALS DATE LINEAR TECHNOLOGY CORP 1 DRAFTER CHECKER ENGINEER ENGR. MGR PROJ. DIR THIS DOCUMETNT CONTAINS UNPUBLISHED INFORMATION WHICH IS PROPRIETARY TO AND IS THE PROPERTY OF LINEAR TECH. CORP. AND MAY NOT BE USED , DISCLOSED OR REPRODUCED WITHOUT THE EXPRESS WRITTEN PERMISSION OF LINEAR TECH. CORP. KIM TRAN 1 6 3 0 M c C A R T H Y B L V D . MILPITAS, CA 95035 P H . ( 4 0 8 ) 954-8400 FAX (408) 434-0507 Title DUAL OUTPUT BUCK REGULATORS NEXT ASSEMBLY Size TRADE SECRET INFO. ASSY- B C Document Number Custom Date: A C22 TBD D Rev DC275A-1*LTC1702CGN A Monday, August 30, 1999 Sheet E 1 of 1 1 4 3 2 1