Version 4
SHEET 1 2076 1228
WIRE -16448 -3024 -16608 -3024
WIRE -16192 -3024 -16448 -3024
WIRE -16608 -3008 -16608 -3024
WIRE -16448 -2992 -16448 -3024
WIRE -16608 -2912 -16608 -2928
WIRE -16448 -2912 -16448 -2928
WIRE -16192 -2608 -16192 -3024
WIRE -15904 -2608 -16192 -2608
WIRE -16656 -2576 -16720 -2576
WIRE -16528 -2576 -16592 -2576
WIRE -16352 -2576 -16528 -2576
WIRE -15904 -2576 -15904 -2608
WIRE -16352 -2560 -16352 -2576
WIRE -16192 -2560 -16192 -2608
WIRE -16016 -2560 -16192 -2560
WIRE -16016 -2544 -16016 -2560
WIRE -14912 -2544 -15040 -2544
WIRE -14880 -2544 -14912 -2544
WIRE -16192 -2528 -16192 -2560
WIRE -16528 -2512 -16528 -2576
WIRE -15040 -2512 -15040 -2544
WIRE -14912 -2512 -14912 -2544
WIRE -14880 -2496 -14880 -2544
WIRE -14720 -2496 -14880 -2496
WIRE -14544 -2496 -14720 -2496
WIRE -16816 -2448 -16928 -2448
WIRE -16720 -2448 -16720 -2576
WIRE -16720 -2448 -16816 -2448
WIRE -16656 -2448 -16720 -2448
WIRE -16240 -2448 -16400 -2448
WIRE -16192 -2416 -16192 -2432
WIRE -16016 -2416 -16016 -2480
WIRE -16016 -2416 -16192 -2416
WIRE -16352 -2400 -16352 -2496
WIRE -16192 -2400 -16192 -2416
WIRE -16192 -2400 -16352 -2400
WIRE -14720 -2400 -14720 -2496
WIRE -14544 -2400 -14544 -2496
WIRE -16016 -2384 -16016 -2416
WIRE -16000 -2384 -16016 -2384
WIRE -15712 -2384 -16000 -2384
WIRE -15504 -2384 -15712 -2384
WIRE -15392 -2384 -15424 -2384
WIRE -15376 -2384 -15392 -2384
WIRE -15264 -2384 -15296 -2384
WIRE -15040 -2384 -15040 -2448
WIRE -15040 -2384 -15184 -2384
WIRE -16656 -2368 -16768 -2368
WIRE -16352 -2368 -16352 -2400
WIRE -16352 -2368 -16400 -2368
WIRE -16192 -2368 -16192 -2400
WIRE -16928 -2352 -16928 -2448
WIRE -16816 -2352 -16816 -2368
WIRE -16000 -2352 -16000 -2384
WIRE -14912 -2352 -14912 -2448
WIRE -14912 -2352 -15152 -2352
WIRE -15376 -2336 -15376 -2384
WIRE -15296 -2336 -15296 -2384
WIRE -15040 -2320 -15040 -2384
WIRE -14912 -2320 -14912 -2352
WIRE -16656 -2288 -16704 -2288
WIRE -16240 -2288 -16400 -2288
WIRE -16768 -2272 -16768 -2368
WIRE -16768 -2272 -16864 -2272
WIRE -16928 -2256 -16928 -2272
WIRE -16864 -2256 -16864 -2272
WIRE -16864 -2256 -16928 -2256
WIRE -16816 -2256 -16864 -2256
WIRE -16192 -2256 -16192 -2272
WIRE -16128 -2256 -16192 -2256
WIRE -16000 -2256 -16000 -2288
WIRE -16000 -2256 -16128 -2256
WIRE -15904 -2256 -15904 -2512
WIRE -15888 -2256 -15904 -2256
WIRE -16192 -2240 -16192 -2256
WIRE -15888 -2240 -15888 -2256
WIRE -15376 -2240 -15376 -2256
WIRE -15376 -2240 -15888 -2240
WIRE -15888 -2224 -15888 -2240
WIRE -15296 -2224 -15296 -2256
WIRE -15152 -2224 -15152 -2352
WIRE -15152 -2224 -15296 -2224
WIRE -15040 -2224 -15040 -2256
WIRE -14912 -2224 -14912 -2256
WIRE -14912 -2224 -15040 -2224
WIRE -14720 -2224 -14720 -2336
WIRE -14720 -2224 -14912 -2224
WIRE -14544 -2224 -14544 -2320
WIRE -14544 -2224 -14720 -2224
WIRE -16880 -2208 -16928 -2208
WIRE -14912 -2208 -14912 -2224
WIRE -16528 -2192 -16528 -2224
WIRE -16704 -2176 -16704 -2288
WIRE -16592 -2176 -16704 -2176
WIRE -16928 -2160 -16928 -2208
WIRE -16128 -2160 -16128 -2256
WIRE -15888 -2160 -16128 -2160
WIRE -16816 -2112 -16816 -2160
WIRE -16656 -2080 -16688 -2080
WIRE -16592 -2080 -16592 -2176
WIRE -16592 -2080 -16656 -2080
WIRE -16592 -2064 -16592 -2080
WIRE -16928 -2048 -16928 -2080
WIRE -16688 -2048 -16688 -2080
WIRE -16688 -2048 -16928 -2048
WIRE -17424 -1904 -17840 -1904
WIRE -16912 -1904 -17200 -1904
WIRE -16800 -1904 -16912 -1904
WIRE -16656 -1904 -16656 -2080
WIRE -16656 -1904 -16720 -1904
WIRE -17840 -1888 -17840 -1904
WIRE -16912 -1888 -16912 -1904
WIRE -17424 -1824 -17456 -1824
WIRE -17136 -1824 -17200 -1824
WIRE -17008 -1824 -17136 -1824
WIRE -17136 -1808 -17136 -1824
WIRE -17008 -1808 -17008 -1824
WIRE -16912 -1792 -16912 -1808
WIRE -17840 -1776 -17840 -1808
WIRE -17520 -1744 -17536 -1744
WIRE -17424 -1744 -17440 -1744
WIRE -17136 -1744 -17200 -1744
WIRE -17136 -1728 -17136 -1744
WIRE -17008 -1712 -17008 -1728
FLAG -17840 -1776 0
FLAG -17008 -1712 0
FLAG -16912 -1904 PWMOUT
FLAG -16912 -1792 0
FLAG -17136 -1728 0
FLAG -17536 -1744 0
FLAG -17456 -1824 0
FLAG -17840 -1904 AnalogIN
FLAG -16816 -2112 0
FLAG -16816 -2352 0
FLAG -16192 -2240 0
FLAG -16528 -2192 0
FLAG -15392 -2384 1
FLAG -15296 -2384 2
FLAG -15712 -2384 in
FLAG -16448 -2912 0
FLAG -16608 -2912 0
FLAG -14912 -2208 0
SYMBOL res -17424 -1760 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 1000k
SYMBOL res -16928 -1904 R0
SYMATTR InstName R4
SYMATTR Value 10K
SYMBOL voltage -17008 -1824 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 6
SYMBOL voltage -17840 -1904 R0
WINDOW 123 24 146 Left 2
WINDOW 39 24 125 Left 2
SYMATTR Value 0.5
SYMATTR InstName V2
SYMBOL SpecialFunctions\\LTC6992-1 -17312 -1824 R0
SYMATTR InstName U1
SYMBOL cap -17152 -1808 R0
WINDOW 0 39 10 Left 2
WINDOW 3 36 53 Left 2
SYMATTR InstName C1
SYMATTR Value 0.1µ
SYMATTR SpiceLine Rser=.003
SYMBOL res -16704 -1920 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 100
SYMBOL voltage -16816 -2464 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V5
SYMATTR Value 13
SYMBOL diode -16656 -2560 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D1
SYMATTR Value MUR460
SYMBOL cap -16368 -2560 R0
SYMATTR InstName C2
SYMATTR Value 1µ
SYMATTR SpiceLine V=50 Irms=5.62 Rser=0.007 Lser=0 mfg="KEMET" pn="C1210C105K5PAC" type="X5R"
SYMBOL nmos -16240 -2528 R0
SYMATTR InstName M1
SYMATTR Value IRF1310
SYMBOL nmos -16240 -2368 R0
SYMATTR InstName M2
SYMATTR Value Si7942DP
SYMBOL diode -16000 -2480 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D2
SYMATTR Value MUR460
SYMBOL PowerProducts\\LTC4446 -16528 -2368 R0
SYMATTR InstName U2
SYMBOL npn2 -16880 -2256 R0
SYMATTR InstName Q1
SYMBOL res -16944 -2368 R0
SYMATTR InstName R5
SYMATTR Value 100
SYMBOL res -16944 -2176 R0
SYMATTR InstName R6
SYMATTR Value 100
SYMBOL ind2 -15360 -2240 R180
WINDOW 0 36 80 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName L7
SYMATTR Value 750µ
SYMATTR Type ind
SYMATTR SpiceLine Ipk=5 Rser=0.17 Rpar=30000 Cpar=440f
SYMBOL ind2 -15280 -2240 R180
WINDOW 0 36 80 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName L8
SYMATTR Value 150µ
SYMATTR Type ind
SYMATTR SpiceLine Ipk=20 Rser=0.042 Rpar=0 Cpar=0
SYMBOL Misc\\EuropeanResistor -15520 -2368 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName RP1
SYMATTR Value 1
SYMBOL Misc\\EuropeanResistor -15280 -2368 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName RS1
SYMATTR Value 1
SYMBOL cap -15920 -2576 R0
SYMATTR InstName C3
SYMATTR Value 1µ
SYMATTR SpiceLine V=100 Irms=4.58 Rser=0.025 Lser=0
SYMBOL cap -15904 -2224 R0
SYMATTR InstName C4
SYMATTR Value 1µ
SYMATTR SpiceLine V=100 Irms=4.58 Rser=0.025 Lser=0
SYMBOL diode -15984 -2288 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D3
SYMATTR Value MUR460
SYMBOL diode -15024 -2256 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D4
SYMATTR Value MUR460
SYMBOL diode -15024 -2448 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D6
SYMATTR Value MUR460
SYMBOL diode -14896 -2448 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D7
SYMATTR Value MUR460
SYMBOL polcap -14736 -2400 R0
WINDOW 3 24 56 Left 2
SYMATTR Value 10000µ
SYMATTR InstName C5
SYMATTR Description Capacitor
SYMATTR Type cap
SYMATTR SpiceLine V=400 Irms=2.22 Rser=0.008 Lser=0
SYMBOL polcap -16464 -2992 R0
SYMATTR InstName C20
SYMATTR Value 2000µ
SYMATTR SpiceLine Rser=0.05
SYMBOL voltage -16608 -3024 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value 400
SYMBOL diode -14896 -2256 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D5
SYMATTR Value MUR460
SYMBOL res -14560 -2416 R0
SYMATTR InstName R3
SYMATTR Value 50
TEXT -16920 -1720 Left 2 !.tran 0 10000m 0 100n startup
TEXT -16832 -1408 Left 2 ;Note:\n  If the simulation model is not found please update with the "Sync Release" command from the "Tools" menu.\n  It remains the customer's responsibility to verify proper and reliable operation in the actual application.\n  Component substitution and printed circuit board layout may significantly affect circuit performance or reliability.\n  Contact your local sales representative for assistance. This circuit is distributed to customers only for use with LTC parts.\n  Copyright © 2010 Linear Technology Inc. All rights reserved.
TEXT -17320 -1952 Bottom 2 ;LTC6992-1: TimerBlox: Voltage-Controlled Pulse Width Modulator\n1MHz Pulse Width Modulator (PWM)
TEXT -15392 -2432 Left 2 !K2 L7 L8 1
RECTANGLE Normal -15168 -2224 -15536 -2464 2