1 2 3 4 5 ECO 1 3 LO LO 2 HI A JP2 3 3 JP1 LOCAL HI VDD SOURCE 2 VDD JP7 DC590A 1 R2 1uF GPIO_CFG 1 3 IN0B- 4 IN1A+ 5 IN1A- 6 7 IN1B+ R16 0 C11 24 23 20 ASEL1 ASEL0 J1 19 18 ALERT 17 VIN0_B- GPIO_0 16 VIN1_A+ GPIO_1 15 VIN1_A- IOUT0 14 C9 VIN1_B+ IOUT1 13 0.1uF SCL C6 [option] R18 6.34K 6.34K ANALOG INTERFACE [option] JP5 JP6 IOUT1 R20 0 (0 - 6 V) C13 R21 0 0.1uF C14 BAT54 [option] R13 4.99K R14 4.99K 2 I C PORT 1 A0 2 A1 WP 7 3 A2 SCL 6 4 VSS SDA 5 VCC 8 R22 0 ON IOUT0 2 2 WRITE-PROTECT JP4 OFF GND GND C 1 VIN1B- C D1 2 1 TP10 R12 4.99K 1 C12 [option] TP11 GPIO_1 TP12 12VIN B 3 VDD R19 0 C7 3 TP9 (0 - 6 V) 3 VIN1B+ 1 2 3 4 5 6 7 8 9 10 11 12 13 14 U2 24LC025 R17 IN1B- [option] + R9 0 R10 0 SCL LTC2970CUFD JP8 C2 10uF SDA VOUT1 [option] JP3 R23 0 R6 2K SDA VOUT0 TP8 (0 - 6 V) GPIO_CFG VIN0_B+ R5 2K GPIO_CFG 12 19 17 15 13 11 9 7 5 3 1 20 18 16 14 12 10 8 6 4 2 3 R15 0 (0 - 6 V) C10 VIN1A- IN0B+ [option] TP7 VIN1A+ VIN0_A- 12VIN GPIO_CFG C8 VIN0_A+ 2 11 R11 0 (0 - 6 V) 1 IN0A- 10 TP6 VIN0B- IN0A+ [option] VDD GPIO_0 C5 9 R8 0 (0 - 6 V) REF GND [option] VIN1_B- GPIO_1 C4 TP5 REF_GND U1 8 R7 0 25 2 TP4 (0 - 6 V) R4 2K (option) GND HI (option) ASEL1 [option] 21 C3 VIO 100K R3 0 ASEL0 C1 (0 - 6 V) 22 TP3 B APPROVED ASEL1 1 TP2 VIN0B+ DATE 10/25/05 VDD ASELO GND VIN0A- DESCRIPTION TYPO CORRECTIONS AND PARTS MADE OPT. R1 10K VDD 4.5 - 5.75V VIN0A+ 8 REV 2 VDD TP1 7 VDD 2 A 6 REVISION HISTORY 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. DAC 1 TERMINATION (8 - 15V) DAC 0 TERMINATION GPIO_1 TP13 GPIO_0 GPIO_0 TP14 C15 10uF ALERTB + ALERTB TP15 IOUT0 TP16 IOUT0 TP17 VOUT0 IOUT1 IOUT1 TP18 VOUT1 UNLESS OTHERWISE SPECIFIED DIMENSIONS ARE IN INCHES TOLERANCE ON ANGLE - - 2 PLACES - - - 3 PLACES - - INTERPRET DIM AND TOL PER ASME Y14.5M -1994 D THIRD ANGLE PROJECTION CONTRACT NO. APPROVALS DATE DRAWN Chris Pollard 10/25/05 CHECKED APPROVED TECHNOLOGY TITLE 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 Fax: (408)434-0507 D SCH, LTC2970CUFD, DUAL POWER SUPPLY MONITOR AND MARGIN CONTROLLER ENGINEER SIZE CAGE CODE DESIGNER DO NOT SCALE DRAWING 1 2 3 4 5 DWG NO REV 2 DC980A Tuesday, December 06, 2005 SCALE:NONE 6 FILENAME: 980A.DSN 7 SHEET 1 8 OF 1