5 4 3 2 1 REVISION HISTORY DATE - 1 PRODUCTION FAB MARTY M. 06/16/10 R1 TP6B E8 C11 10uF 0603 GND E12 EN1 E13 EN2 E14 EN3 E15 EN4 E16 ENBB 1K 5% R16 EN1 1K 5% R19 EN2 1K 5% R21 EN3 C12 10uF 0603 1K 5% R24 EN4 1K 5% ENBB E21 31 1 36 42 44 38 LTC3675EUFF VIN SW1 5 FB1 2 SW2 VIN 8 FB2 3 SW3 9 VIN EN1 FB3 SW4 12 R42 13 R43 11 VOUT5 33 ENBB 28 ONB OFF PB1 TP3A C15 10pF 50V VIN R47 C17 10pF 50V R15 R18 511K FB5 SW5 32 2.2uH XFL4020-222M 18 19 20 LED2 TP5B 20 C25 22uF 0805 R25 D1 C26 22uF 0805 R37 20 R26 2.0M TP7 D2 D3 D4 D6 C23 4.7uF 50V 1206 D7 D8 D9 E25 LED BOOST VIN - 40V 2W E28 GND D5 E26 0 D10 0 C24 OPT 1210 RST D13 RED R27 42.2K R31 1.0M R32 442 U2 Vcc 8 C8 0.1uF 16V SCLK 1 2 3 A0 A1 A2 WP 7 SDA 5 CUSTOMER NOTICE R35 5.1K 5% Vss 6 24LC025 5 R33 1.0M E22 WAKE E23 RSTB E24 PBSTAT UNLESS NOTED: RESISTORS: OHMS, 0402, 1%, 1/16W CAPACITORS: uF, 0402, 6.3V 4 R36 5.1K 5% B VIN R38 OPT 2 4 6 8 10 12 14 LED1 E27 LED2 R29 0603 R34 442 DC590 INTERFACE J1 GND E20 GND R28 0603 C22 10uF 0603 C E19 VOUT5 5V 1A C20 22uF 0805 R30 20K RED E18 200K D11 LED_OV 16 IRQ D12 25 C1 0.01uF 25V VIN C18 10uF 0603 R22 VIN L5 PD3S140 LED1 CT 21 22 17 IRQB LED_FS 24 GND E17 VOUT4 1.6V - 0.85V 500mA VOUT4 R20 VOUT3 1.8V - 0.96V 500mA E11 TP4B 20 GND E10 511K 35 SW7 SW7 SW7 WAKE SDA 27 43 E9 C28 OPT 0805 C16 10uF 0603 R17 TP4A OPT 0 Ohm 0603 L7 26 SCL TP3B 20 R13 590K VOUT2 2.5V- 1.3V 1A E7 VOUT3 475K 10uH IHLP2020BZ-10RM GND 39 E29 HD2X7 R46 L4 DVCC 45 TP9 IRQB A R11 TP5A RST 41 C10 22uF 0805 R12 OPT 0 Ohm 0603 SW4 TP2B 20 R10 665K D GND C27 OPT 0805 309K VIN EN4 37 R44 1.0M TP8 + + + + + + + C9 10pF 50V 1.0M OFF C21 0.1uF 16V + + + + + + + R45 VOUT1 1.2V- 0.64V 1A E5 VOUT2 R9 TP2A L3 2.2uH LQM2HPN2R2M 14 R8 R23 1.05M ONB 1 3 5 7 9 11 13 VIN OPT 0 Ohm 0603 SW3 C19 OPT 0805 C5 22uF 0805 649K 15 FB4 EN3 1.0M OFF TP10 R39 1.0M SW2 TP1B 20 R7 324K L2 2.2uH XFL4020-222M EN2 PBSTAT B SDA SW1 VIN 23 SCL C4 10pF 50V 2.2uH MLPS3015-2R2M ONB DVCC TP1A 1.0M OFF JP5 ON C14 2.2uF 10V 0603 R41 JP4 ON 34 C13 2.2uF 10V 0603 4 JP3 ON 10 R5 649K 1.0M OFF JP2 ON VIN R40 JP1 ON VIN 7 40 VIN R14 6 E4 VOUT1 2.2uH XFL4020-222M C2 10uF 0603 R6 FB6 C6 22uF 0805 C7 22uF 0805 U1 L1 R4 324K VOUT6 VIN 2.7V - 5.5V E3 LDO_OUT 1.2V 25mA C3 22uF 0805 SWAB6 E6 TP6A R2 332K 105K SWCD6 VIN E1 VOUT6 3.3V 1A E2 GND R3 L6 2.2uH XFL4020-222M D C 20 29 APPROVED 30 DESCRIPTION LDOFB REV LDO_OUT ECO 4 3 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. APPROVALS TECHNOLOGY PCB DES. NC APP ENG. MARTY M. 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 www.linear.com Fax: (408)434-0507 LTC Confidential-For Customer Use Only TITLE: SCHEMATIC 7 - CHANNEL CONFIGURABLE HIGH POWER PMIC SIZE N/A SCALE = NONE 2 DATE: IC NO. REV. LTC3675EUFF DEMO CIRCUIT 1607A Tuesday, August 24, 2010 1 SHEET 1 1 OF 1 A