D C B ISP 3 2 1 ISN R2 MP2 OPT PG‐TDSON‐8 5 0.007 RL3720W D PG L1 15uH XAL1510‐153 R3 TG MP1 FDD4141 4 D 1 2 3 R1 E2 R6 0 CIN1 22µF 25V 1210 E3 CIN2 22µF 25V 1210 CIN3 22µF 25V 1210 CIN4 22µF 25V 1210 11 C7 13 2.2µF 0805 PGND E4 R7 E9 EN E10 B SYNC E11 IMON 16 12 INTVCC CSP BG TG EN ISN U1 LT8714EFE 18 SYNC SYNC 19 3 IMON IMON 5 E12 R18 100k C10 680nF C11 68nF 10 R9 0 7 6 CTRL BIAS RT INTVEE IMON VC GND GND 20 21 R10 0 C17 OPT EXT JP1 2 R14 17 8 100 VIN C9 2.2µF 0805 9 C18 OPT 0805 INTVCC C15 100nF 2 OPT VR1 R16 6.98k 2 R15 R19 100k 0603 18.7k 0603 1 2 +5V 3 4 OPT 5 6 ‐5V C12 10nF R21 OPT 0603 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 TITLE: CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. 1. ALL RESISTORS AND CAPACITORS 0603. SIZE THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. E D C B JP2 R22 1.78k 0603 CUSTOMER NOTICE NOTE: UNLESS OTHERWISE SPECIFIED. VCTRL 0.1V ‐ 1V INT 73.2k 1% C13 100pF A E13 1 R13 1 SYNC SS ISP ISN INTVCC PG C TG C16 OPT FB 4 1 1206 VIN R12 100k EN R17 178k 1% OPT ISP EN 2.2µF 0805 AGND 15 R8 57.6k 10k C8 14 CSN E7 PGND C3 22uF C4 1210 C20 25V C21 C6 OPT CO4 OPT R20 R5 0 C5 VIN CO3 OPT E8 3 VIN 10V ‐ 14V CO2 100µF 10V 1210 1 C R4 0 CO1 100µF 10V 1210 E6 22uF 1210 25V 0.002 1% RL3720W E1 VOUT 22uF 1210 25V C2 MN2 OPT DPAK NG VOUT ±5V / 5A L2 15uH XAL1010‐153 C1 5 4 NG E5 PG 0 MN1 BSC034N06NS A 3 E B N/A DATE: TECHNOLOGY 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 www.linear.com Fax: (408)434-0507 LTC Confidential-For Customer Use Only SCHEMATIC SYNCHRONOUS FOUR QUADRANT POWER SUPPLY IC NO. LT8714EFE DEMO CIRCUIT 2240A SHEET Wednesday, September 23, 2015 A REV. 3 1 OF 1 A