B A L1 6.8uH 74438335068 VIN 10V - 36V E1 1 50V 7343 4 JP1 E2 FBX C12 0.1uF 50V 0603 BOOST INTVCC GNDA R2 34.8K 2 C3 1uF 6.3V 0402 GND E3 E8 L2B 4.7uH LPD5030 L2A 4.7uH LPD5030 E4 2 3 E9 TP2 C10 3 + 10uF 4 50V 7343 JP2 C4 4.7uF 50V 1206 100V GND TP4 U2 LT8330ES6 4 EN/UVLO * 1206 EN/UVLO C9 4.7pF 0603 50V R3 1M 1 2 6 EN/UVLO OFF CONTROL EXT. 4 C5 1uF VIN ON 1 R7 1M 1 D2 FBX C6 4.7uF 50V 1206 3 C7 1uF 6.3V 0402 INTVCC GND R8 806K * SEE DEMO MANUAL FOR MAX. IOUT VS. VIN C13 0.1uF 50V 0603 INVERTING R4 71.5K 2 5 VOUT -12V PMEG6010CEJ E5 GNDB GND * DEMO MANUAL * SEE FOR MAX. IOUT VS. VIN 3 GND R6 215K VIN 4V - 36V EN/UVLO C2 4.7uF 50V 1206 C8 4.7pF 0603 50V R1 1M VOUT 48V 2 5 GND 1 C1 GND 4.7uF TP3 50V U1 1206 LT8330ES6 4 SW EN/UVLO C11 + 10uF 3 SW 2 6 ON CONTROL OFF EXT. E7 PMEG6010CEJ TP1 VIN EN/UVLO 2 D1 R5 1M GND E6 E10 1 1 NOTE: UNLESS OTHERWISE SPECIFIED 1. ALL RESISTORS ARE 0603 1%. 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 www.linear.com Fax: (408)434-0507 LTC Confidential-For Customer Use Only CUSTOMER NOTICE LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; TECHNOLOGY HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION. COMPONENT SUBSTITUTION AND PRINTED TITLE: SCHEMATIC CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT LOW IQ BOOST/SEPIC/INVERTING PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. SIZE THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. B N/A DATE: CONVERTER WITH 1A, 60V SWITCH LT8330ES6 DC2018A IC NO. Wednesday, July 01, 2015 A SHEET REV. 4 1 OF 1