5 4 3 2 1 REVISION HISTORY ECO REV - 1 2 DESCRIPTION 1st Prototype Production APPROVED DATE Vlad Ostrerov May 28, 2015 Vlad Ostrerov Dec 11, 2015 Q1 Si7942DP-T1-E3 87 D * VIN 6V TO 15V * E1 1 Q3 (OPT) DPAK 3 GATE ON OV PROTECTED 15V TO 100V C3 (UV = 6V) (OV = 15V) VIN VIN 4 Q2 (OPT) DPAK REVERSE PROTECTED UV PROTECTED 0V TO 6V D 2 VOUT -40 TO 0V 56 GND C1 4.7uF 100V (OPT) SOD‐523 (OPT) R4 510k R1 1M 1% C D7 SMAT70A-13-F (OPT) R2 54.9k 1% E3 UV E4 E6 VOUT BZT52C15T D6 P4SMA24A (OPT) E2 D5 1000pF 0805 (OPT) + C2 47uF 100V * VOUT 5.9A MAX E7 (OPT) GND C 1 2 3 VIN GATE UV VOUT OV FAULT 8 7 E8 6 FAULT OV SHDN EN R3 36.5k 1% E5 4 GND SHDN 5 U1 LTC4367IMS8#PBF SHDN 1 2 B B 3 DIS JP1 R5 1k 1206 D4 1N4148WT-7 1 VIN VOUT CONNECT LED 2 3 D1 GRN VIN A R6 1 U1 DC2417A‐A DC2417A‐B 1k 1206 2 3 OPEN JP2 CLD1 CMJ2000 BOARD ASSEMBLY LED DRIVE JP3 CLD3 CMJ2000 CLD2 CMJ2000 D2 GRN VOUT D3 RED FAULT CUSTOMER NOTICE 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 RB Vlad O. THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 4 3 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 TITLE: SCHEMATIC SIZE 5 LTC4367IMS8 LTC4367IMS8-1 HIGH VOLTAGE NFET DRIVER UV, OV AND REVERSE SUPPLY PROTECTION IC NO. REV. LTC4367IMS8/LTC4367IMS8-1 2 DEMO CIRCUIT 2417A MODIFY DATE: Dec 11, 2015 2 SHEET 2417A_REV2 1 1 OF 1 A