5 4 3 2 ECO REV VOUT VS VOUT CSP D R32 (OPT) 0603 E18 - VOUT R20 4 PRODUCTION (OPT) R25 (OPT) (OPT) PVIN PVIN VOUT PVIN E2 8V - 100V C1 4.7uF 100V 1210 E4 GND VOUT R34 (OPT) 1206 VOUT R7 1.00M 1% R1 499k 1% R2 0 Ohm 25 100k 1% VS GND E7 R11 R10 R26 E9 VMODE /VMODE E10 FAULT C17 0.1uF 0603 R13 100k R14 100k C8 4.7uF 10V E12 INTVCC D3 (OPT) SOD-123 E13 GND VOUT 24 EN/UVLO 23 VIN 10 VREF 9 CTRL 13 E8 ISMON B VREF (OPT) 137k 1% 0 Ohm 0603 R3 2.00k 1% CSP VS R8 E6 VIN 8V - 100V SYNC L1 22uH 1% 2010 C2 4.7uF 100V 1210 CTRL C6 2.2uF 100V 1210 ISMON 16 VMODE HC9-220-R M1 RJK1051DPB-00-J5 FAULT 20 INTVCC 26 CSN SS 19 GATE SENSE 7 ISP 1 ISN 2 TG 3 1. ALL RESISTORS 0402. 2. ALL CAPACITORS 0603. R9 13.7k 1% C11 0.1uF 0603 E3 400mA LED+ D2 ES1C (OPT) C M3 (OPT) SOT23 /VMODE E17 14 CSOUT R15 (OPT) R27 (OPT) VOUT R29 82.5k 1% R19 (OPT) R28 PVIN (OPT) R33 VREF C16 0.01uF 0603 E11 GND B E14 (OPT) PWM R24 (OPT) 0603 E15 GND 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 APP ENG. APPLICATION. COMPONENT SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 4 0.620 1% 2010 Q1 FMMT589 TECHNOLOGY RB KEITH S. 3 A TITLE: SCHEMATIC N/A SCALE = NONE 1630 McCarthy Blvd. Milpitas, CA 95035 www.linear.com Phone: (408)432-1900 Fax: (408)434-0507 LTC CONFIDENTIAL - FOR CUSTOMER USE ONLY SIZE 5 C5 2.2uF 100V 1210 6 R17 0 Ohm VREF NOTE: UNLESS OTHERWISE SPECIFIED. C4 2.2uF 100V 1210 Si7113DN-T1-E3 R12 28 17 21 22 29 R18 26.1k 1% R30 (OPT) 0603 RS3 0.015 1% 2010 18 FB1 PWM GND GND GND GND GND 12 11 4 300kHz C13 (OPT) 1210 C3 2.2uF 100V 1210 R31 FB2 RT C9 0.01uF 0603 C12 2.2uF 100V 1210 M2 RS2 (OPT) VC R16 4.7k R5 1.00M 1% CSN CSOUT 15 PDS5100H R4 0 Ohm U1 LT3796EFE SYNC 5 8 27 CSP (OPT) 1210 D1 CUSTOMER NOTICE A D E1 (OPT) 1210 C15 RS1 0.025 E5 May 24, 2012 C14 PVIN C DATE KEITH S. R22 CSN (OPT) R21 EN/UVLO R6 0 Ohm 1206 E16 1 REVISION HISTORY DESCRIPTION APPROVED 100V LED CONTROLLER WITH CURRENT MONITOR IC NO. LT3796EFE DEMO CIRCUIT 1706A MODIFY DATE: May 24, 2012 2 REV. 4 SHEET 1 1 OF 1