5 4 3 2 1 REVISION HISTORY INTVCC MODE R42 9 TK/SS BOOST1 33 2 DIFFP 23 EXTVCC PGOOD 17 PGOOD TG2 5 4 CIN4 OPT SENSE3- SENSE3+ SENSE28 11 SENSE2+ SENSE1- SENSE1+ 5 12 SENS3N SENS3P R25 100 (Opt) 0603 E13 E3 COUT6 330uF 2.5V SANYO GND VIN VIN CIN5 10uF 16V X5R R24 100 SENS2P R23 100 SENS1N R22 100 SENS1P R21 100 5 TG3 4 SW3 CIN6 OPT VO-SNSE16 S3P OPTIONAL DCR SENSING Q11 RJK0330DPB NOTE: WHEN DCR SENSING IS IMPLEMENTED 5 (Opt) 0603 1 2 3 Q12 RJK0330DPB VOUT S3N L3 0.33uH 4 1 2 3 4 B VO-SNS- Q10 OPT 5 BG3 C44 0.01uF E8 10 4 Q9 RJK0305DPB 1 2 3 SENS2N VO- R8 R59 RSNS3 0.001 (Opt) 0603 COUT7 100uF 6.3V + X5R COUT8 330uF 2.5V SANYO + COUT9 330uF 2.5V SANYO R58 (Opt) 0603 SENS3N SENS3P OPT DCR SENSE3 SHORT RSNS1, RSNS2 AND RSNS3 EXTVCC A + SENS2N R57 ITEMP COUT5 330uF 2.5V SANYO SENS2P 0 INTVCC + X5R (Opt) 0603 Q8 RJK0330DPB S1P TEMPERATURE COMPENSATION NETWORK FOR DCR SENSING COUT4 100uF 6.3V S3P S1N TK/SS RSNS2 0.001 E4 1000pF CLKOUT E11 R56 OPT DCR SENSE2 S2P EXTVCC E7 S3N PLLIN R36 VO+ 10 VOUT VOUT (Opt) 0603 4 Q7 RJK0330DPB R26 100 E10 (Opt) R6 S2N R55 BG3 22 C23 1000pF 4 S2N E12 C S2P L2 0.33uH R54 D3 C26 0.1uF CMDSH-3 B TK / SS VO-SNS+ E15 Q6 OPT 4 BG2 TG3 20 SW3 21 C22 R35 COUT3 330uF 2.5V SANYO SENS1P SW2 R29 0 1000pF CLKOUT 1 2 3 5 C25 D2 0.1uF CMDSH-3 BOOST3 19 C21 PLLIN + 1.5V / 60A 37 ITEMP 39 GND COUT2 330uF 2.5V SANYO VO-SNS+ 5 ITEMP + SENS1N 5 EXTVCC COUT1 100uF 6.3V X5R VIN CIN3 10uF 16V X5R Q5 RJK0305DPB TG2 27 SW2 28 BG2 29 4 AVP 7 R4 66.5 VIN BG1 R28 0 38 DIFFOUT (Opt) 0603 Q4 RJK0330DPB 1 2 3 DIFFOUT RSNS1 0.001 SW1 BOOST2 26 6 R3 0 R53 (Opt) 0603 OPT DCR SENSE1 TG1 1 DIFFN VO-SNS+ Q3 RJK0330DPB C24 D1 0.1uF CMDSH-3 TG1 32 SW1 31 BG1 30 15 ISET VO-SNS- 4 R51 (Opt) 0603 VOUT R52 R27 0 14 ITH R9 28K S1N L1 0.33uH 1 2 3 R7 13K S1P Q2 OPT 1 2 3 3 RUN MODE 35 INTVCC 24 D 5 C5 2200pF 7V - 14V + 4 4 VIN 25 34 CLKOUT 03-16-10 E6 16V 13 VFB C4 47pF 4 Q1 RJK0305DPB C11 INTVCC 4.7uF R5 41.2K DATE JIAN L. GND 1 2 3 TK/SS R2 20.0K FREQ 10 C1 OPT CLKOUT C PLLIN 18 U1 LTC3829EUHF ILIM 16 VO-SNS+ CIN7 180uF 16V 5 PLLIN OPT APPROVED VIN- 5 R91 + VIN C10 0.1uF R13 0 R90 CIN8 180uF 16V 1 2 3 DIFFOUT C72 OPT R10 2.2 RUN PRODUCTION VIN CIN2 OPT 5 OPT DESCRIPTION 2 E2 VINF MODE R12 R1 30.1K CIN1 10uF 16V X5R JP11 1% VIN E1 (Opt) D 0 VIN 5 100K IFAST 36 C41 (Opt) 3 REV __ E5 VIN 1 2 3 INTVCC JP4 3 JP1 2 ON R11 4 RUN OFF MODE 1 2 3 3 FORCE CONTINUOUS 2 OFF 2 BURST / SYNC (Opt) 1 ON STAGE SHEDDING R41 RUN ECO VIN+ IFAST 1 1 E9 1 2 3 VIN RUN INTVCC C40 0.1uF EXTVCC (5.5Vmax) R61 100K R45 DO NOT STUFF R21-R26 0 C51 OPT PGOOD E14 PGOOD INTVCC RNTC OPT A CUSTOMER NOTICE R47 R60 VINF 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. (Opt) 28K 4.5V < VIN < 5.5V ONLY THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 5 4 3 2 APPROVALS PCB DES. A.K. APP ENG. JIAN L. TECHNOLOGY 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 www.linear.com Fax: (408)434-0507 LTC Confidential-For Customer Use Only TITLE: SCHEMATIC HIGH CURRENT 3-PHASE SINGLE OUTPUT STEP-DOWN SUPPLY SIZE N/A SCALE = NONE DATE: IC NO. REV. LTC3829EUHF 2 DEMO CIRCUIT 1530A Wednesday, May 19, 2010 SHEET 1 1 OF 2 5 4 3 2 1 REVISION HISTORY D4 DIODE ZENER, 5.1V DYNAMIC LOAD CIRCUIT (DLC) ECO REV __ 2 DESCRIPTION PRODUCTION +12V C52 100pF +12V +5V TRIG1 8 1 2 3 Q13 FMMT619/SOT 3 +INA 1 2 -INAOUTA 3 U2 R74 POT 50K 1 C58 0.01uF 5 +INB 7 6 -INBOUTB V- TRIG RSET DSCH THRES OUT CON R71 POT 50K D5 BAT54S R73 OPT 4 R72 1.5K 2 4 7 6 5 VDD C69 0.1uF E17 GND R70 110K VR1 LT1004CS8-1.2 SLOPE UP DLC C55 0.1uF LT1361CS8 R69 390K SLOPE DOWN E18 U5A LT1361CS8 Q16 FMMT718/SOT 1 ON 2 OFF 3 C3 1uF C54 4.7uF VOUT J2 D VOUT C56 0.1uF JP2 COUT10 1uF C57 R75 60.4K C59 OPT R76 1K C60 0.47uF 03-16-10 VOUT +12V U5B DATE JIAN L. +12V +12V C53 0.1uF V+ 8 D APPROVED 485 2 + 1 - R77 POT 50K IMAX ADJ 0.01uF Q14 COUT11 1uF Q15 7 6 3 U3 LT1210CR J1 R78 C61 4.7uF 2K R79 0.010 5% R80 0.010 5% R81 0.010 5% LOAD STEP R82 0.010 5% C C -12V C62 0.1uF -12V E19 -12V PGND L4 VIN +12V CMD4D08-100MC PGND E20 10uH D6 C63 2 1uF 1 VOUT B0540W-7 +5V 1 ON 2 OFF B C65 4.7uF 1 VIN SW 4 SHDN C64 10pF FB 3 3 GND C67 JP3 1uF R83 115K 1 DLC BIAS E21 U4 LT1930ES5 5 L5A 10uH S2275315 R84 13.3K COUT16 OPT 6.3V COUT17 OPT 6.3V COUT18 OPT 6.3V COUT19 OPT 6.3V COUT20 OPT 6.3V COUT21 OPT 6.3V X5R X5R X5R X5R X5R X5R + COUT12 OPT 2.5V SANYO + COUT13 OPT 2.5V SANYO + COUT14 OPT 2.5V SANYO + COUT15 OPT 2.5V SANYO C66 4.7uF B 2 4 +5V 2 PGND BIAS SUPPLY FOR DLC L5B 10uH S2275315 LOAD STEP: 1. TURN ON DLC BIAS AN DLC C68 4.7uF 2. ADJUST R75 FOR LOAD AMPLITUDE 3 D7 1 +5V U6 LT1761ES5-SD VIN 1 IN 2 GND C70 10uF 16V 3 SHDN OUT 5 ADJ 4 R88 0 OPT -12V EXTVCC R85 R86 30.1K A R87 3. ADJUST R71, R74 FOR RISE/FALL TIME 2 B0540W-7 C71 10uF 16V opt. 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. R89 10K OPTIONAL BIAS SUPPLY THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 5 4 3 APPROVALS PCB DES. A.K. APP ENG. JIAN L. TECHNOLOGY 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 www.linear.com Fax: (408)434-0507 LTC Confidential-For Customer Use Only TITLE: SCHEMATIC HIGH CURRENT 3-PHASE SINGLE OUTPUT STEP-DOWN SUPPLY SIZE N/A SCALE = NONE 2 DATE: IC NO. LTC3829EUHF REV. 2 DEMO CIRCUIT 1530A Wednesday, May 19, 2010 SHEET 2 1 OF 2 A