D C B A E11 GND E10 1 1 1 1 1 C12 0.1uF SHDN E9 VIN 5V E3 GND E2 1 C1 0.1uF SHDN E1 1 C13 15uF 10V A CASE C2 15uF 10V A CASE 1 2 SHDN L7-1 Optional SHDN U3 LT1611CS5 4 3 L3-2 Optional C3 1uF 10V 1 2 1 3 2 L7-2 Optional 3 D3 MBR0520LT1 3 L6 22uH LQH3C220K24 2 R3 59.0K 1% L2 10uH LQH3C100K24 D1 MBR0520LT1 INVERTER NFB C14 1uF 10V 1 2 SEPIC FB L5 22uH LQH3C220K24 4 U1 LT1613CS5 4 1 L1 10uH LQH3C100K24 2 3 VIN 1V to 6V R8 10K 1% R7 30.1K 1% JP1 R2 71.5K 1% R1 100K 1% 1 2 L3-1 Optional C15 15uF 10V A CASE C4 15uF 10V A CASE 1 2 4 C5 1uF 10V 4 1 C17 0.1uF VOUT 3.3V 100mA 1 E4 C6 0.1uF C16 1uF 10V 2 1 1 1 5 E12 VOUT -5V 150mA E7 GND E6 1 C7 0.1uF SHDN E5 VIN 1V to 5V 5 C8 15uF 10V A CASE 1 2 4 2 1 3 SHDN U2 LT1613CS5 4 6 3 Date: Size Title 7 JP2 R5 71.5K 1% R4 100K 1% C9 15uF 10V A CASE C10 1uF 10V E8 7 DC233 Document Number Sheet 1 8 1 of LT1613CS5 / LT1611CS5 1.4MHz SOT-23 DC/DC Converter 1630 McCARTHY BLVD. MILPITAS, CA. 95035 PHONE (408) 954-8400 FAX (408) 434-0507 Rev A VOUT 3.3V 100mA C11 0.1uF 1 8 LINEAR TECHNOLOGY CORPORATION R6 59.0K 1% D2 MBR0520LT1 BOOST FB L4 4.7uH LQH3C4R7M24 6 1 2 2 1 2 1 5 5 VIN 2 1 2 1 5 VIN VIN 1 2 2 GND 1 SW SW 1 GND 2 2 1 1 SW GND 2 2 1 2 1 1 2 2 1 2 1 2 1 1 2 1 2 2 1 2 1 2 1 1 2 2 1 D C B A