5 4 3 2 1 REVISION # REVISION HISTORY SD PC FD AD 0 DESCRIPTION 0 0 0 DATE APPROVED 1st Release D D U1 LT3092EDD E1 IIN VIN 7 8 VIN - VOUT=1.2V - 40V* 5 6 IN OUT IN OUT NC NC NC R1 1 E3 VOUT 2.00 1% 0805 2 3 IOUT 0.2A MAX 9 OUT SET C C 4 R2 OPTIONAL CIRCUIT R6 40.2K 1% C2 IOUT VIN VOUT LT3092 + CIN E2 10uF C1 1uF C3 1uF GND C4 (Opt) 200mA 1 2 100mA 3 4 50mA 5 6 ADJ 7 8 B R3 R4 40.2K 1% 13.3K 1% R5 50K JP1 B * Minimum VIN-VOUT depends on IOUT. APPROVALS 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. A 5 4 DRAWN: Rudy Bautista ENGINEER: Tiger Zhou LINEAR TECHNOLOGY CORPORATION 1630 McCARTHY BLVD MILPITAS, CA. 95035 (408)432-1900 (408)434-0507 (FAX) Title LT3092EDD APPROVED: CHECKED: Date: Thursday, July 09, 2009 3 SD LTC Confidential For Customer Use Only Two-Terminal Current Source Document Number Rev DEMO CIRCUIT 1531A C:\ORCADWIN\CAPTURE\1531A\1531A_REV1.DSN 2 www.linear.com Sheet 1 1 of 1 1 A