D1 SMAJ24A C1 (Opt.) D2 LED (GRN) 2 GND AUX_UV 1 2 3 ON OFF E3 C2 0.1uF 16V R7 10K 1% JP2 R3 6.8K 1206 U1 LTC4217CFE R6 3.24K 1% 2 A R5 200K 1% 6 C3 0.1uF 16V 1 SENSE 2 SENSE 20 VDD VDD 19 3 UV ISET 18 4 OV IMON 17 5 TIMER FB 16 FAULT 15 6 INTVCC 7 GND PG 14 8 OUT GATE 13 9 OUT OUT 12 SENSE 11 10 SENSE 3 2 1 + COUT1 (Opt.) R8 6.8K 1206 2 R9 158K 1% R10 10K 1% D7 SMAJ12A 2 GND E12 AUX_UV 1 2 3 ON OFF JP4 C5 0.1uF 16V VDD VDD 16 2 3 UV ISET 15 OV IMON 4 TIMER 14 FB 13 5 INTVCC FAULT 12 6 7 GND PG 11 OUT GATE 10 8 OUT OUT RMON2 20K 1% 2 3 E6 ISET D10 LED (RED) PG FAULT 3 2 1 E10 FAULT SIGNAL E11 PG E13 IMON E14 ISET C Signal Auto-Retry 9 E15 D12 LED (GRN) VOUT 12V/2A R15 3.3K 1 E16 1 IMON B JP3 Positive 12V Integrated Hot Swap 2 D9 LED (RED) FAULT RSET2 (Opt.) D + COUT2 (Opt.) E5 R14 3.3K 1 U2 LTC4217CDHC-12 1 PG GND R13 3.3K C4 (Opt.) D8 LED (GRN) E4 A 1 R12 (Opt.) 2 C + CIN2 (Opt.) 1 1 R11 3.3K FAULT SIGNAL 1 2 E9 Signal Auto-Retry VOUT 24V/2A E8 12VIN E2 JP1 E7 D6 LED (GRN) D4 LED (RED) PG FAULT RMON1 20K 1% 8 R4 6.8K 1206 D3 LED (RED) FAULT RSET1 (Opt.) Positive 24V Integrated Hot Swap B 7 1 R2 (Opt.) 5 2 + CIN1 (Opt.) 1 1 R1 6.8K 1206 4 2 E1 3 1 24VIN 2 2 1 4 GND LTC CONFIDENTIAL - FOR CUSTOMER USE ONLY LINEAR TECHNOLOGY CORPORATION Customer Notice Linear Technology Has Made A Best Effort To Design A Circuit That Meets Customer-Supplied Specifications; However, It Remains The Customer's Responsibility To Verify Proper And Reliable Operation In The Actual 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. 5 6 D 1630 McCARTHY BLVD. MILPITAS, CA. 95035 PHONE (408) 954-8400 FAX (408) 434-0507 Title LTC4217CFE, LTC4217CDHC-12 Positive 24V Integrated Hot Swap, Positive 12V Integrated Hot Swap Size Document Number Date: Wednesday, February 15, 2006 Rev Demo Circuit 1051A 7 Sheet 1 A of 8 1