3 Q1,Q6, Q10 ARE Si7860DP. Q2,Q5,Q9 ARE OPTIONAL. Q3, Q4, Q7, Q8, Q11, Q12 ARE Si7892DP. VIN+ (SO8-POWERPAK) S3+ B R12 10 S2- R13 10 S3- R14 10 S3+ R15 10 15 SENSE3+ TG3 22 16 RUN/SS BOOST3 21 17 ITH CLKMD 20 C4 1000PF 18 UVADJ C5 1000PF NC 19 C7 0.1UF R16 4.75K SGND ITH E8 E9 C9 100PF 1 2 3 1 CIN4-CIN6 10UF,16V 1210 CIN7-CN9 OPT J2 1210 VIN- 2 Q9 OPT 4 VOS+ 0 JP4 PHASMD Q11 4 VOUT+ S2- S2+ SANYO POSCAP 4TPD330M OPT 7343 + COUT3-COUT8 2.5V/1.8V@60A J5 VOUT+ 330UF 4V 7343 J4 VOUT- 1210 R26 OPT 1 2 SUMIDA-CEP125 D2 B340A C J3 VOUT+ 1 +COUT1,2,9,10 VOS+ 2 3 4 5 S2+ R28 51.1 1% VOUT+ C20 10UF,16V L3 0.8UH Q12 4 E5 VOS+ S2- 5 6 7 8 1 R25 0.002 C19 1UF,16V 0805 Q10 4 R18 VIN+ 357K R31 OPT R29 51.1 1% R27 0.002 VOUTVOS- E6 VOS- VOSB +5V NOTES: UNLESS OTHERWISE SPECIFIED ITH 1. ALL RESISTORS ARE IN OHMS, 0603. ALL CAPACITORS ARE IN MICROFARADS, 0603. ALL INDUCTORS ARE IN MICROHENRIES. A 2. INSTALL SHUNTS FOR JP1-JP7 PIN 2 AND 3. CONTRACT NO. APPROVALS DRAWN: TECHNOLOGY KIM T. CHECKED: ENGINEER: WEI C. 3-PHASE HIGH EFFICIENCY 60A POWER SUPPLY SIZE A DATE: 4 3 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 Fax: (408)434-0507 LTC Confidential-For Customer Use Only TITLE: APPROVED: DESIGNER: 5 OPT C53 1000PF C8 1500PF R19 OPT + CIN3 2 R17 121K OPT VIN- 2 C23 0.01UF R30 499K RUN/SS 1 2 SUMIDA-CEP125 D5 B340A Q8 4 1 2 3 E2 RUN/SS L2 0.8UH 1 2 3 Q7 4 Q6 4 VIN+ D3 +5V BAT54 3 1 1 2 VIN+ 1 2 3 1 2 3 C12 4.7UF 16V 1206 Q5 OPT 4 +5V C10 0.22UF LTC3731CG C6 1000PF 5 6 7 8 5 6 7 8 2 C11 1UF R20 1 5 6 7 8 BG3 24 SW3 23 + CIN2 S3- S3- S2+ 13 SENSE214 SENSE3- J1 S3- S2- R11 10 PGND 26 BG2 25 DRVIN S3+ S2+ S1- R10 10 11 SENSE112 SENSE2+ 270UF 16V R24 OPT S3+ S1- S1+ DRVIN 28 BG1 27 1 S1+ 9 SGND 10 SENSE1+ + CIN1 1210 1 2 3 R8 16.9K,1% 20.0k,1% JP3 VOUT SEL C22 1 1.8V 2.5V 47PF PG VIN+ 9V-14V C18 10UF,16V C17 1UF,16V 0805 5 6 7 8 3 D4 B340A 1 2 3 OPT 5 6 7 8 C21 TG2 30 SW2 29 3 C 7 DIFFOUT 8 EAIN 2 1 SUMIDA-CEP125 1 2 3 VOS- R7 CLKOUT OSCON 16SP270M R23 0.002 VIN+ C13 0.22UF 5 6 7 8 10.0K,1% 2 R6 SW1 32 BOOST2 31 E4 VIN+ R22 OPT L1 0.8UH Q4 4 1 2 3 VOS- 5 DIFF+ 6 DIFF- Q3 4 5 6 7 8 2 VOS+ BOOST1 34 TG1 33 1 2 3 CCM STG SHD VOS+ 3 PLLFLTR 4 FCB 5 6 7 8 1 C14 0.22UF 1 2 3 JP2 FCB 3 CLKOUT 36 PGOOD 35 1 C3 1000PF 1 U1 1 VCC 2 PLLIN PG 1210 C15 1UF,16V 0805 Q2 OPT 4 1 2 3 JP1 FREQ 1 R5 C2 10.0K,1% 0.01UF Q1 4 E3 D S1- D1 BAT54A 3 R4 2.43K EXT SYNC 2 INT PROG 5 6 7 8 R3 7.50K CLKOUT C16 10UF,16V S1+ R21 +5V 100K C1 1UF 3 R1 10 S1+ +5V R2 1K D 1 S1- SYNC-IN 2 5 6 7 8 E1 SYNC-IN 4 5 6 7 8 5 2 DWG NO. REV DC438A-3 * LTC3731CG Thursday, April 17, 2003 SHEET 1 1 A OF 2 A 5 4 3 2 1 DYNAMIC LOAD CIRCUIT D7 MMBZ5231BLT1 1 3 2 CMDSH-3 C35 0.01UF 0.1UF 50K 4 1 R34 + 6 - 7 R36 1K 3 R35 10.0K,1% U5 LT1460HCS3-2.5 IN 2 OFF 2 ON 1 JP7 DLC 3 5 + - 7 1 Q13 SUD50N03-07 R40 0.01 2512 R39 2K R43 10.0K,1% C25 1206 4.7UF 16V C26 0.1UF R42 0.01 2512 LOAD STEP VOUT- C VOUT+ OUT 2 -12V C48-C52 47UF,6.3V 1812 JP5 DLC BIAS 4 SHDN U6 LT1930ES5 R44 115K 1% FB 3 C42 4.7UF 16V 1206 C41 10PF VIN+ L5B CLS62 R9 13.3K 1% D8 B0540W 1 2 C44 1UF C43 4.7UF 16V 1206 U7 1 VIN 2 GND 3 SHDN INT 3 OUT 5 C45 0.1UF BYP 4 C46 4.7UF 16V 1206 EXT 1 JP6 5V SELECT 2 L5A CLS62 3 2 3 OFF +5V C47 1UF 2 4 ON 2 1206 SW 1 C38 1UF,16V 0805 D6 +12V B0540W 2 1 +12V VIN 5 +5V 1 3 CMD4D08-100 GND C39 4.7UF 16V 1206 1 B C40 1UF, 25V L4 10UH 1 VIN+ C32 0.1UF J6 1 3 1 R37 15K R38 50K IMAX 2 ADJ. 50K SLOPE UP +12V 4 U3B LT1361CS8 2 - 1 5 C30,C31,C54,C55,C56 22UF 6.3V 1206 0.01UF 3 2 U3A LT1361CS8 6 3 + 1 R33 3 C29 U4 LT1210CR VOUT+ 2 3 4 5 D10 1 C C34 0.1UF 1 C28 3 2 1 +12V C37 0.1UF 1 2 CMDSH-3 1 R32 1.5K D9 GND TRIG RSET DSCH THRES CON TLC555CD OUT 3 2 GND VDD 8 2 4 7 6 5 R41 39K 4.7UF 16V 8 SLOPE DOWN U2 C27 1206 3 C33 0.1UF C36 100PF 8 +5V D +12V 4 D E7 B +5V LT1761ES5-5 INTERNAL BIAS -12V CONTRACT NO. APPROVALS DRAWN: A TITLE: APPROVED: ENGINEER: DESIGNER: TECHNOLOGY KIM T. CHECKED: WEI C. 3-PHASE HIGH EFFICIENCY 60A POWER SUPPLY SIZE A DATE: 5 4 3 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 Fax: (408)434-0507 LTC Confidential-For Customer Use Only 2 DWG NO. REV DC438A-3 * LTC3731CG Thursday, April 17, 2003 SHEET 2 1 A OF 2 A