1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 A A B B C C E1 LT3505EDD 3 U1 C1 VIN 4.7uF 50V 1206 R1 150k D3 MMDL914T1G BOOST 1 SW 2 E 1 D1 BZT52C16T 16V 2 F C2 0.068uF 50V 0603 C8 0.47uF 25V 0603 2 JP1 RUN/SS SHDN SHDN 1 4 1 RUN R2 1.13MEG G R3 25.5k 6 RT 7 FB GND 5 Vc GND L1 6.8uH E6 LOCAL R5 20k REMOTE 9 C4 330pF 5% 50V H TP1 SMT C5 VALUE OPT R8 20 5% C6 VALUE OPT HV BUCK 3.7V - 4.7V 1.2A JP3 WALL 5V C7 22uF ADAPTOR 6.3V 20% 0805 R7 499k GND Q1 Si2333DS HV BUCK INTERFACE 2 J1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1 J K I VOUT VC/TRACK VOUT GND ACPR GND PG WALL SYNC SHDN DVCC ILIM SDA HVOK/INIT SCL HVIN J K TSH-108-01-T-RA E3 L C3 10uF 0603 6.3V 4.5V - 5.5V E4 M G H R6 100k D4 SDM20U30 5V ADAPTOR F E5 1 I L E HVBUCK VLCF5020T-6R8N1R3 D2 DFLS240L 40V 2A JP2 COMP 8 D 2 3 D 8V - 36V E2 GND 2 HVIN GND M R4 1 5% N N Note: * Move JP2 to REMOTE when connected to PMIC board. O CUSTOMER NOTICE Unless noted: Resistors: Ohms 0402 1% 1/16W Capacitors: uF 0402 10% 25V P Q CONTRACT NO. 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 CIRUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. APPROVALS G. Barbehenn CHECKED: 2 3 4 5 6 7 8 9 10 11 12 13 14 TITLE: APPROVED: ENGINEER: G. Barbehenn SIZE DESIGNER: DWG NO. DATE: 15 LT3505EDD, PMIC High Voltage Adaptor Board with 5V Adaptor Inputs 16 17 Thursday, August 28, 2008 18 19 P A SHEET 20 O REV DC1395A C THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 1 TECHNOLOGY DRAWN: 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 Fax: (408)434-0507 LTC Confidential-For Customer Use Only 21 0 OF 1 22 Q