5 4 3 2 1 REVISION HISTORY C3 (OPT) ECO REV - 1 2 1000pF 0805 APPROVED DATE DESCRIPTION Replaced LED's, Added ‐B Assembly Vlad Ostrerov Apr 15, 2015 Replaced Q1, LED's & CLD's. Vlad Ostrerov Nov 20, 2015 D5 BZT52C15T (OPT) D Q2A 2N7002VC-7-F (OPT) * VIN VOUT -30 TO 0V REVERSE PROTECTED UV PROTECTED 0V TO 6V 6V TO 15V C * S2 G1 (UV = 6V) (OV = 15V) VIN VIN S1 Q2B 2N7002VC-7-F (OPT) D2 (LOW CURRENT MOSFET, SMALL PACKAGE OPTION) G2 GATE ON OV PROTECTED 15V TO 30V E1 D1 D D6 DFLT20A (OPT) E2 GND Q1A Si4214DDY-T1-GE3 D7 DFLT40A (OPT) R2 54.9k 1% E3 UV E4 E6 VOUT R4 510k R1 1M 1% Q1B Si4214DDY-T1-GE3 C1 4.7µF 50V (OPT) U1 1 2 3 VIN GATE UV VOUT OV FAULT C2 47µF * VOUT 8A MAX E7 + 35V (OPT) C GND 8 7 E8 6 FAULT OV EN R3 36.5k 1% SHDN 1 4 GND SHDN 5 LTC4365CTS8 2 B B 3 DIS JP1 SHDN E5 BOARD ASSEMBLY D4 1N4148WT 1 VIN LED DRIVE VOUT CONNECT LED 2 3 CLD1 CMJ2000 TR 1 2 JP3 CLD3 CMJ2000 TR CLD2 CMJ2000 TR A D1 GRN VIN D3 RED FAULT D2 GRN VOUT 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 U1 LTC4365CTS8 LTC4365CTS8‐1 3 OPEN JP2 DC1555C‐A DC1555C‐B HIGH VOLTAGE NFET DRIVER UV, OV AND REVERSE SUPPLY PROTECTION IC NO. REV. LTC4365CTS8/LTC4365CTS8-1 2 DEMO CIRCUIT 1555C MODIFY DATE: Nov 20, 2015 2 SHEET 1 1 OF 1 A