5 4 3 D 2 1 D Cfly 1.0uF Vin 3.2V to 5.5V C1 0.1uF C GND 6 C- C+ U1 LTC3250ES6-1.5 Vout 5 Vin Cout 4.7uF JP1 ON OFF 2 3 SHDN GND C2 0.1uF SHDN Vout 1.5V _ 250mA E2 Iout < C 2 GND E5 3 E3 Cin 1.0uF 1 E1 1 4 E4 R1 4.7M B B CONTRACT NO. APPROVALS DRAWN June Wu DATE 1/7/02 TECHNOLOGY TITLE LTC3250ES6-1.5 CHECKED High Efficiency, Low Noise, Inductorless Step Down DC/DC Converter APPROVED A ENGINEER 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 Fax: (408)434-0507 Bill Walter 1/7/02 DESIGNER A SIZE CAGE CODE DWG NO REV A DC488A Wednesday, March 27, 2002 5 4 SCALE: 3 FILENAME: SHEET 2 1 OF 1 1