A B C D E REVISION HISTORY ECO REV __ DESCRIPTION APPROVED PRODUCTION 1 JIM M. DATE 08-31-12 JUMPER ADDED FOR DC1562B-M/N 4 * VERSION TABLE R11 OPT. R1 R2 R3 R4 R5 R6 RSET PSF LTC6990CS6 1M 681K 100K 0 OPEN 432K 95.3K OE DC1562B-B LTC6991CS6 976K 182K OPEN 0 100K OPEN 768K RST DC1562B-C LTC6992CS6-1 976K 182K 80.6K 10K 1.96K OPEN 316K MOD DC1562B-D LTC6992CS6-2 976K 182K 51.1K 10K 1.74K OPEN 316K MOD DC1562B-E LTC6992CS6-3 976K 182K 76.8K 10K 1.82K OPEN 316K MOD R5 DC1562B-F LTC6992CS6-4 976K 182K 54.9K 10K 1.87K OPEN 316K MOD DC1562B-G LTC6993CS6-1 1M 523K OPEN 0 100K OPEN 154K TRIG * DC1562B-H LTC6993CS6-2 1M 523K OPEN 0 100K OPEN 154K TRIG DC1562B-I LTC6993CS6-3 1M 523K OPEN 0 100K OPEN 154K TRIG DC1562B-J LTC6993CS6-4 1M 523K OPEN 0 100K OPEN 154K TRIG 1 * 2 5 R10 OPT. 3 523K DC1562B-L LTC6994CS6-2 DC1562B-M LTC6995CS6-1 DC1562B-N LTC6995CS6-2 1M OPEN 0 100K OPEN 154K TRIG 1M 523K OPEN 0 100K OPEN 154K TRIG 1M 280K OPEN 0 100K 191K OPEN RST OPEN 191K 1M 280K 100K 0 OPEN SET * E7 3 E9 VCO GND E11 * E13 2 CONFIGURED FUNCTION 1KHz to 10KHz VCO DC1562B-B LTC6991CS6 1Hz (1 SEC) FIXED FREQUENCY DC1562B-C LTC6992CS6-1 10KHz, 0 - 100% DUTY CYCLE DC1562B-D LTC6992CS6-2 10KHz, 5 - 95% DUTY CYCLE DC1562B-E LTC6992CS6-3 10KHz, 0 - 95% DUTY CYCLE DC1562B-F LTC6992CS6-4 10KHz, 5 - 100% DUTY CYCLE DC1562B-G LTC6993CS6-1 100ms ONE SHOT, RISING EDGE TRIGGERED DC1562B-H LTC6993CS6-2 100ms RE-TRIGGERABLE (RISING EDGE) ONE SHOT DC1562B-I LTC6993CS6-3 100ms ONE SHOT, FALLING EDGE TRIGGERED DC1562B-J LTC6993CS6-4 100ms RE-TRIGGERABLE (FALLING EDGE) ONE SHOT DC1562B-K LTC6994CS6-1 100ms OUTPUT FALLING EDGE DELAYED FROM TRIGGER FALLING EDGE DC1562B-L LTC6994CS6-2 100ms OUTPUT RISING EDGE DELAYED FROM TRIGGER RISING EDGE DC1562B-M LTC6995CS6-1 1sec. POWER ON RESET DC1562B-N LTC6995CS6-2 1sec. POWER ON RESET 1 U1 LTC6990CS6 GND SET 2 OUT V+ DIV GND E3 BOUT E4 GND E6 OUT E8 V+ 2.25V - 5.5V 5 4 C2 0.1uF 25V C3 10uF 16V 1206 R1 * * * E10 GND E12 DIV E14 GND E15 GND E16 GND 2 R2 R7 OPT. R8 OPT. R9 OPT. 3 2 ** PSF = Part Specific Function, This Pin's Function Is Different Depending On The U1 Part used. NOTE: UNLESS OTHERWISE SPECIFIED 1. ALL RESISTORS ARE IN 0805. ALL CAPACITORS ARE IN 0805. CUSTOMER NOTICE LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; HOWEVER, IT REMAINS THE CUSTOMER'S 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 TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. 1 APPROVALS PCB DES. APP ENG. TECHNOLOGY A.K. JIM M. THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. B C 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 www.linear.com Fax: (408)434-0507 LTC Confidential-For Customer Use Only TITLE: SCHEMATIC TimerBlox SIZE A E2 6 RSET 2 * STANDARD CONFIGURATIONS TABLE DC1562B-A PSF BOUT 6 U2A NC7WZ04 OPT. R6 RST ASSY TYPE 2 * 1 3 LTC6994CS6-1 1 4 U2B NC7WZ04 OPT. 1 DC1562B-K GND U1 R4 E5 3 3 ** PSF C1 0.1uF 25V OPT. R3 E1 5 U1 DC1562B-A 2 ASSY TYPE 3 4 N/A SCALE = NONE DATE: D IC NO. TM REV. LTC699X DEMO CIRCUIT 1562B-A/B/C/D/E/F/G/H/I/J/K/L Monday, May 06, 2013 SHEET 1 E 1 OF 1 1