1 DUST PWR VOUT 2 REVISION HISTORY VOUT ECO CAUTION: ONLY CONNECT IF VOUT is less than 3.7V NC - VSUPPLY NC GND PGOOD KEY VBAT RSVDEHORBAT I/O 2 I/O 1 +5V V+ L1 10uH C16 100uF 6.3V 1210 GND C4 100uF 6.3V 1210 C5 100uF 6.3V 1210 C3 100uF 6.3V 1210 C2 100uF 6.3V 1210 C1 1uF 16V 0805 16 13 RUN 11 PRI NC 17 SW1 1 350mV-5.1V U1 VAUX 20 1 VCAP BTH1 + 14 ENVSTR VSTORE VOUT PGOOD PRI OS1 VSTORE OS2 SS1 ENVSTR SS2 19 VOUT 3 VCAP ILIMSEL 5 OS1 6 OS2 2 C14 0.1uF 6.3V 0805 GND VCC MPP 10 SS1 9 SS2 VCC GND MPPC VCC R3 R3 301k 3 VIN GND R4 JP5 JP12 1M VCC JP8 VCC GND GND JP7 VCC VCC SS2 SS1 OS2 JP9 PRI CUSTOMER NOTICE OS2 OS1 VCC ENVSTR R5 1M VCC OS1 PRI VSTORE JP6 VSTORE VCC GND * JP4 8 VCC SS1 GND JP10 VCC SS2 GND 1 VOUT JUMPER CONFIGURATION OS1 OS2 VOUT GND GND 1.8V GND VCC 2.2V VCC GND 3.3V VCC VCC 5.0V VSTORE JUMPER CONFIGURATION PRI SS1 SS2 VSTORE OV VSTORE UV GND GND GND 4.0V 2.78V GND GND VCC 2.9V 1.9V GND VCC GND 3.0V 2.15V GND VCC VCC 4.0V 3.0V VCC GND GND 4.2V 2.1V 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. NC VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION. COMPONENT SUBSTITUTION AND PRINTED APP ENG. JIM N. CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. JP11 TECHNOLOGY 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 www.linear.com Fax: (408)434-0507 LTC Confidential-For Customer Use Only 300mA, LOW VOLTAGE BUCK-BOOST CONVERTER WITH POWERPATH and 1.6uA QUIESCENT CURRENT IC NO. N/A SCALE = NONE B TITLE: SCHEMATIC SIZE THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. GND GND ILIMSEL VCC 12 2 BYPASS VIN R_STRING VSTORE ENVSTR VSTORE E6 E8 VCC RUN A PGOOD * RUN GND PGOOD Q1 ZXMN2F30FH 1 E4 1210 R1 1M 7 15 C12 1uF 16V 0805 21 C13 1210 D2 SML-P11VTT86 PGOOD C11 47uF 10V 1210 OPT GND 4 VCAP R2 4.99k 1 JP3 OPT 2 VCC NC 1210 C9 GND RUN JP2 2 I VOUT LED NC C8 OPT 1210 E5 VIN VSTORE E7 VSTORE 2.1V - 4.3V C7 OPT C10 2.2uF 10V 0805 PMEG2010EA SW2 VIN C6 100uF 1210 D1 OPT LTC3106EUDC 18 E2 C15 OPT E1 VOUT VIN B 11 - 17 - 15 VAUX LPS4018-103 PGOOD DATE JIM N. VOUT 2 4 6 8 10 12 SMH-106-02-L-D-05 E3 APPROVED PRODUCTION FAB J1 1 3 5 7 9 11 A DESCRIPTION 2 PGOOD JP1 + REV DATE: 11 - 17 - 15 2 LTC3106EUDC DEMO CIRCUIT 2255A REV. 2 SHEET 1 OF 2 1 2 J2 1 A PGOOD 3 VCAP 5 7 9 11 13 GND 15 17 VIN 19 +5V VOUT PGOOD IO1 VCAP IO2 NC NC NC NC NC GND EHORBAT VLDO GND V+ RSVD VIN VBAT NC 2 VOUT 4 A 6 8 10 12 GND 14 16 18 VSTORE 20 SFMH-1-10-02-L-D-WT B 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. NC VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION. COMPONENT SUBSTITUTION AND PRINTED APP ENG. JIM N. CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. TECHNOLOGY TITLE: SCHEMATIC 300mA, ULTRA LOW QUIESCENT CURRENT, BUCK-BOOST POWER MANAGER WITH MAXIMUM POWER POINT CONTROL SIZE THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 1 IC NO. N/A SCALE = NONE 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 www.linear.com Fax: (408)434-0507 LTC Confidential-For Customer Use Only DATE: LTC3106EUDC DEMO CIRCUIT 2255A 11 - 17 - 15 REV. 2 SHEET 2 2 OF 2 B