5 4 3 2 1 REVISION # REVISION HISTORY SD PC FD AD 0 DESCRIPTION 0 0 0 DATE APPROVED 1st Release D D U1 LT3082EDD E4 E1 VIN 2.8V - 35V 8 CIN* + 10uF 35V 10% C1 1uF 35V 7 6 5 IN OUT IN OUT NC NC 1 VOUT 0.2A MAX 2 C3 2.2uF 10V 3 ** E5 GND NC OUT C 9 C SET 4 E3 GND C4 0.01uF B 1.2V R1 4 1.8V 121K 1% 5 6 2.5V R3 7 8 3.3V 9 10 5.0V 1 2 3 12 USER SELECT 11 R2 182K 1% R4 249K 1% R5 332K 1% 499K 1% R6 (Opt) JP1 * CIN IS OPTIONAL, FOR VIN DAMPING PURPOSE ONLY. **MINIMUM LOAD CURRENT >- 0.5mA REQUIRED. A This circuit is proprietary to Linear Technology and supplied for use with Linear Technology parts. Customer Notice:Linear Technology has made a best effort to design a circuit that meets customer-supplied specifications; however, it remains the customers 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 Applications Engineering for assistance. 5 4 APPROVALS DRAWN: Rudy Bautista ENGINEER: Tiger Zhou LINEAR TECHNOLOGY CORPORATION 1630 McCARTHY BLVD MILPITAS, CA. 95035 (408)432-1900 (408)434-0507 (FAX) Title: LT3082EDD APPROVED: CHECKED: Date: Wednesday, June 24, 2009 3 B SD LTC Confidential For Customer Use Only Adjustable Single Resistor LDO Regulator Document Number Rev DEMO CIRCUIT 1447A C:\ORCADWIN\CAPTURE\1447A\1447A_REV0.DSN 2 www.linear.com Sheet 1 1 of 0 1 A