2 VIN 50CE22BS D4 C3 OPT CMHZ5248B U1 LT8301ES5 R2 210K GND 1 2 E2 3 E5 EN/UVLO JP1 1 EN 2 3 DIS EN/UV VIN 5 D3 1N4148WS GND RFB D1 PMEG3020EH 2 1 E3 5 4 6 1 7 C2 100uF 6.3V 1210 D2 BZT52C5V6T-7 5.6V [email protected], VIN>12V [email protected], VIN>24V 8 R4 OPT D VOUT+ 1 2 R1 1M 1 1 22uF 50V C1 10uF 50V 1210 WURTH, 750313974 1 VIN E1 10V - 32V T1 +Cin C 3 VOUTE4 2 D 4 2 5 SW 4 SW C C7 3.3nF R3 154K 1210 250V OPTIONAL CIRCUIT VIN B TAIYO YUDEN FB MJ3216HS800 FB1 BEAD C4 0.01uF,50V 0603 NOTE: UNLESS OTHERWISE SPECIFIED SUMIDA CDRH4D22/HP L1 10UH C5 4.7uF,50V 1210 + VIN B C6 22uF,50V 50CE22BS 1. ALL RESISTORS AND CAPACITORS ARE 0603. 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 TITLE: SCHEMATIC APPLICATION. COMPONENT SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. A 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 www.linear.com Fax: (408)434-0507 LTC Confidential-For Customer Use Only A 42VIN MICROPOWER ISOLATED FLYBACK CONVERTER SIZE THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 5 4 3 IC NO. N/A DATE: REV. LT8301ES5 DEMO CIRCUIT 2138A Wednesday, February 26, 2014 2 3 SHEET 1 1 OF 1