5 4 3 E1 1 VIN_PWR GND INTVCC 2512 INTVCC R2 0.003 1% VOUT0 2 C87 OPT 2512 2 R9 R3 1k R4 1k SCL R16 10K SHARE_CLK R18 10K FAULT0B R23 10K FAULT1B PG0 C SDA 15 ALERTB 16 SHARE_CLK 29 ALERTB R15 10K FAULT0B 17 FAULT1B 18 RUN0 RUN0 19 RUN1 RUN1 20 E35 PG0 R25 10K PG1 R28 10K 14 R29 OPT PG0 34 PG1 33 WP 28 47 SCL BOOST0 U1 LTC3886IUKG SDA SW0 ALERTB BG0 SHARE_CLK ISENSE0+ FAULT0 ISENSE0- FAULT1 VSENSE0+ RUN0 VSENSE0- RUN1 ITHR0 PGOOD0 ITH0 R32 OPT R35 OPT 21 22 R36 OPT 23 R39 OPT R40 OPT R41 OPT 24 25 R46 OPT 26 R48 OPT B ASEL1 TG1 VOUT0_CFG BOOST1 VOUT1_CFG SW1 FREQ_CFG BG1 PHAS_CFG ITHR1 VDD25 VDD33 SW0 50 BG0 4 ISENSE0+ 5 ISENSE0- 7 VSENSE0+ 8 VSENSE0- 11 ITHR0 12 ITH0 Q3 5 4 4 VOUT0 R14 3m 1210 R20 OPT R19 OPT J3 0805 SW0A 8.6uH 7443630860 Q4 (OPT) RJK0653DPB R22 0 R21 0 C10 22uF 16V C11 22uF 16V C12 22uF 16V C88 22uF 16V 12V / 48A R17 0 E5 VOUT0_SNS VOUT0 VSENSE0+ J4 R24 100 C13 1nF C18 51 49 45 41 37 3 + C14 + C15 150uF 150uF OS-CON OS-CON 16V 16V R26 100 C17 + 330uF 7343 OPT C16 + 330uF 7343 OPT C GND R27 0 OPT C19 GND_SNS VIN_PWR ITH0 ITH1 38 TG1 40 BOOST1 Q6 RJK0651DPB C97 Q5 (OPT) C21 SW1 C22 4 2.2uF 1206 2.2uF 1210 2.2uF 1210 L2 39 SW1 42 BG1 R38 2 C23 0.1uF RJK0653DPB Q7 Q8 (OPT) 4 9 ISENSE1+ 10 ISENSE1- 35 VSENSE1 R92 OPT 0805 R37 SW1A C77 OPT VOUT1 J5 0805 VOUT1 8.6uH 7443630860 3m 1210 R42 OPT 4 VSENSE0- R47 OPT R44 0 R43 0 C26 C24 C25 C93 22uF 16V 22uF 16V 22uF 16V 22uF 16V R45 0 VOUT1_SNS 32 31 R51 C34 OPT ITH1 C36 100pF INTVCC 100 C28 1nF ITHR1 B E7 R50 43 INTVCC 44 10nF EXTVCC TSNS1 27 Q10 36 VDD33 C33 VSENSE1+ 30 TSNS1 10nF TSNS0 VDD25 C27 1 4 ISENSE1- Q9 VOUT0 L1 R129 0 ISENSE1+ 6 0.1uF ASEL0 R49 OPT TSNS0 C9 C71 OPT E6 NC NC NC NC NC NC R34 OPT R90 OPT 0805 R12 2 BOOST0 D VOUT1 WP E36 R33 OPT SW0 4 C20 8.2nF 100pF PG1 R31 OPT 52 2 R8 0 2512 2.2uF 1210 TG0 PGOOD1 R30 2 VDD25 C8 46 4 2 TG0 5 SDA 1210 1 2 3 R13 10K SYNC Q2 (OPT) 5 SCL 13 IIINM R11 10K SYNC 2 R7 0 2512 2.2uF C7 Q1 RJK0651DPB 10nF IINP SYNC VIN 48 VDD33 2.2uF 2 R6 0 2512 1206 C5 1nF 10nF R10 10K C96 C4 0.1uF R5 0 2512 1 2 3 E4 2 R128 0 C6 C3 GND D2 1 2 3 GND D1 5 + 5 C86 OPT 1 2 3 + 1 2 3 C85 56uF 63V 1 2 3 + R125 0 2512 1 J2 C1 56uF 63V 1 + 18V - 54V R124 0 2512 5 VIN VIN1 1 2 3 10uF VIN J1 VIN_PWR 5 C94 E2 R122 0.003 1% 1 2 3 10uF 5 VIN C95 2 E3 D 2 C35 100 + C29 150uF OS-CON 16V + C30 150uF OS-CON 16V C31 + 330uF 7343 OPT C32 + 330uF 7343 OPT OPT J6 E11 FAULT0B GND FAULT0B C37 E22 FAULT1B FAULT1B 2.2uF C38 2.2uF C39 C40 4.7uF R168 0 4.7uF 16V VOUT1 R169 OPT ITH0 VSENSE0+ 1. ALL RESISTORS AND CAPACITORS ARE 0603. 2 2 R118 0 R121 0 R148 0 2 FOR -A OPTIONAL. VSENSE1 R173 4 E8 APPROVALS LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO PCB DES. VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION. COMPONENT SUBSTITUTION AND PRINTED APP ENG. CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. TECHNOLOGY `\ lf TITLE: SCHEMATIC SIZE 3 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 www.linear.com Fax: (408)434-0507 LTC Confidential-For Customer Use Only HIGH VOLTAGE DUAL STEP-DOWN DC/DC CONVERTER WITH POWER SYSTEM MANAGEMENT PG1 THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 5 GND ITHR1 CUSTOMER NOTICE PG0 2 ITH1 ITHR0 0 A NOTE: UNLESS OTHERWISE SPECIFIED 2 VOUT0 N/A SCALE = NONE 2 DATE: IC NO. LTC3886IUKG DEMO CIRCUIT 2155A-B Thrursday, June 02, 2016 SHEET 1 1 REV. 4 OF 4 A 5 4 3 2 1 ALL PARTS ON THIS PAGE ARE, NOT STUFFED IN THE -A VERSION EXTVCC R130 0 VIN1 EXTVCC Q12 OPT 5 2 C44 100nF Q11 C45 4.7uF 4 ITH0 0 BG0 5 0 8 R64 25 FAULT0B C 2 SW0 RUN0 R66 ITH0 C49 10pF R62 MODE0 FAULT0 0 9 ITH0 0 22 RUN1 ISENSE0+ MODE1 ISENSE0- BOOST1 2 R69 11 0 12 5 5 R54 OPT 21 22uF 16V 22uF 16V + C52 + C50 + C53 150uF 150uF OS-CON OS-CON OPT 7343 16V 16V R55 OPT R56 0 R60 0 + C51 OPT 7343 C48 C89 22uF 1210 22uF RJK0653DPB R63 100 2 3 C55 1nF R65 100 13 OPT C R131 0 15 VIN1 D4 1 2 Q15 RJK0651DPB INTVCC_2 2 FREQ SW1 SYNC BG1 PHASMD ISENSE1+ ISENSE1- 16 C60 4 C59 2.2uF 1210 C58 2.2uF 1210 SW3 4 7 C99 2.2uF 1206 R95 C92 OPT OPT 0805 100nF 6 Q17 OPT 19 29 Q16 OPT 5 14 5 GND PHASMD 4 1 2 3 49.9k SYNC C47 23 ILIM PGND 27 4 100nF R67 R68 C46 C54 C56 ITH1 C57 10pF 10 R58 3m 2010 FAULT1 TG1 ILIM Q13 0805 SW2A 7443630860 5 28 BOOST0 U2 LTC3870EUFD 8.6uH 1 2 3 0 L3 1 2 3 R57 VOUT0 SW2 1 2 3 1 2 3 26 FAULT0B MODE0 R53 1 2 3 1 R61 TG0 1 MODE0 RUN0 24 Q14 OPT D R94 C91 OPT OPT 0805 RJK0651DPB D3 INTVCC 0 EXTVCC RUN0 17 18 20 VIN 4 C98 2.2uF 1206 4 INTVCC_2 R59 C42 2.2uF 1210 C41 2.2uF 1210 5 D INTVCC_2 R52 5 VIN_PWR C43 4.7uF 16V 4 Q18 L4 7443630860 VOUT0 SW3A 0805 R70 3m 2010 4 R72 OPT R74 R73 0 C61 C62 22uF 16V 22uF 16V 0 + C63 + C64 + C65 150uF 150uF OS-CON OS-CON OPT 7343 16V 16V + C66 OPT 7343 C67 C90 22uF 1210 22uF 1 2 3 1 2 3 R71 OPT R75 8.6uH 100 C68 B B RJK0653DPB 1nF ILIM R76 R77 C69 R78 100 OPT INTVCC_2 OPT 0 PHASMD R79 R80 INTVCC_2 OPT E12 MODE0 0 R81 MODE0 PG0 0 R82 R83 INTVCC_2 OPT CUSTOMER NOTICE OPT APPROVALS LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO PCB DES. VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION. COMPONENT SUBSTITUTION AND PRINTED APP ENG. CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. A TECHNOLOGY `\ lf TITLE: SCHEMATIC HIGH VOLTAGE DUAL STEP-DOWN DC/DC CONVERTER WITH POWER SYSTEM MANAGEMENT SIZE THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 5 4 3 N/A SCALE = NONE 2 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 www.linear.com Fax: (408)434-0507 LTC Confidential-For Customer Use Only DATE: IC NO. LTC3886IUKG DEMO CIRCUIT 2155A-B Thrursday, June 02, 2016 SHEET 2 1 REV. 4 OF 4 A 5 4 3 2 1 ALL PARTS ON THIS PAGE ARE FOR DEMO ONLY, NOT NEEDED IN CUSTOMER DESIGN DYNAMIC LOAD CIRCUIT E14 PULSE IN VOUT0 VOUT1 D DO NOT EXCEED 5% DUTY CYCLE! R162 0 1206 R157 2 226k 1% R158 27.4k 1% GND V+ SET 5 5 4 DIV 48Hz, Less Than 3% Duty Cycle Q19 RJK0305DPB PULSE +5V R151 1M U6 LT1803IS5 C101 5 R161 20K 100nF 2 R152 681K 1% 3 C102 1.0uF V+ VOUT R153 3.3 1% JP5 1 INT C100 150pF V+IN -IN 3 4 1 EXT R89 10K 4 E16 1 2 3 3 OUT 6 2 2 R159 MOD GND R163 0 1206 +5V U5 LTC6992IS6-1 1 D E18 2 IOUT TST R154 NOTE: PULSE OUT 10mV / AMP VOUT0 J7 82.5 1% 1 R91 0.01 1% R160 5K C R170 340 PULSE GEN C70 2.2uF 0805 VOUT0 1 +5V 2 3 4 5 R155 100 VOUT1 C J12 OFF 2 1 VOUT1 3V3 3V3 C103 2.2uF 0805 EXT_SUPPLY 2 3 4 5 JP6 3 ON 3V3 2N7002A 2 R93 127 R100 OPT EXT 5V D8 OPT R147 OPT ON 11 3 JP1 R99 220k FAULT1B D13 GREEN EXTVCC 0 C76 0.1uF B E21 VPRG2 R98 0 7 R132 0 6 R97 OPT FBO ISET SS 10 C72 47nF 3 3 CUSTOMER NOTICE FAULT1B 1 2N7002A 2 2 2N7002A APPROVALS LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO PCB DES. VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION. COMPONENT SUBSTITUTION AND PRINTED APP ENG. CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. Q28 Q29 1 C75 OPT 1210 R171 200 FAULT0B D14 GREEN FAULT0B C81 220pF C79 100uF 10V 1210 3V3 R172 200 A 12 C73 OPT C80 100uF 10V 1210 E20 RUN VPRG1 R101 OPT R96 0 9 EXTVCC R174 EXT_SUPPLY GND VIN 2 OFF 3V3 VFB 5 R146 4.7 0805 1% SW GND 1 2N7002A PG1 VIN C74 2.2uF 100V 1210 GND 1 2 PG0 C78 220nF 100V 0805 1 17 Q22 Q23 R145 OPT ALERTB D7 RED 3 VIN GND 3 3 1 R144 OPT L5 68uH SUMIDA CDRH105RNP-680NC VIN 16 Q20 SI2365EDS-T1-GE3 PG1 D5 GREEN 3 PG0 D6 GREEN EXTVCC LTC3630EMSE GND 1 ALERTB 2 VIN B R88 200 8 3 R87 200 14 VDD33 1 Q27 OPT 2 U3 3V3 TECHNOLOGY `\ lf TITLE: SCHEMATIC HIGH VOLTAGE DUAL STEP-DOWN DC/DC CONVERTER WITH POWER SYSTEM MANAGEMENT SIZE THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 5 4 3 2 N/A SCALE = NONE 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 www.linear.com Fax: (408)434-0507 LTC Confidential-For Customer Use Only DATE: IC NO. LTC3886IUKG DEMO CIRCUIT 2155A-B Thursday, June 02, 2016 1 SHEET 3 REV. 4 OF 4 A 5 4 3 2 1 ALL PARTS ON THIS PAGE ARE FOR DEMO ONLY, NOT NEEDED IN CUSTOMER DESIGN R102 OPT FAULT1B ALERTB SDA SHARE_CLK SCL JP2 SYNC 2 D D 3 E23 E24 E25 E26 E27 SYNC 1 E32 R103 OPT C NC FAULT0B-FAULT1B R104 OPT SGND FAULT0B ALERTB SDA SCL SHARE_CLK D12 OPT R105 OPT D9 OPT E29 RUN0 R106 0 R119 4.99K U4 2 3 B 4 A1 WP A2 SCL VSS SDA R111 OPT R120 4.99K 1 2 3 4 5 6 7 8 9 10 11 12 13 14 1 2 3 4 5 6 7 8 9 10 11 12 13 14 J9 DEMO HEADER (M) EEWP 6 EESCL 5 EESDA 24LC025-I/ST OPT R117 OPT SW2 RUN1 ON SW1 RUN0 5 R114 10 R115 10 ON 2 5 OFF 2 OFF C82 10nF TECHNOLOGY `\ lf C83 10nF THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 3 HIGH VOLTAGE DUAL STEP-DOWN DC/DC CONVERTER WITH POWER SYSTEM MANAGEMENT N/A SCALE = NONE 2 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 SIZE 4 10K APPROVALS LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO PCB DES. VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION. COMPONENT SUBSTITUTION AND PRINTED APP ENG. CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. 5 R113 B CUSTOMER NOTICE A VDD33 R112 10K R107 OPT 1206 VIN R116 FAULTB CTRL ALERTB SDA SHARE_CLK SCL RESETB AUXP UNUSED UNUSED GND GND 12V 12V J10 DEMO HEADER (F) 8 AUXVCC 7 VDD33 4 1 FAULTB CTRL ALERTB SDA SHARE_CLK SCL RESETB AUXP UNUSED UNUSED GND GND 12V 12V 100nF VCC RUN1 C NC RUN0-RUN1 C C84 A0 R110 OPT RUN1 TO DC1613A 1 R109 0 6 3 C 1 E30 R108 OPT 4 1 AUXP SDA GND SCL LGKPWR ALERTB GPIO_1 OUTEN_0 OUTEN_1 GND AUXSCL AUXSDA JP3 3 1 2 3 4 5 6 7 8 9 10 11 12 6 3 J11 3V3 2 RUN0 3V3 DATE: IC NO. LTC3886IUKG DEMO CIRCUIT 2155A-B Thrursday, June 02, 2016 SHEET 4 1 REV. 4 OF 4 A