Version 4 SHEET 1 1524 804 WIRE -1424 -896 -1568 -896 WIRE -1344 -896 -1424 -896 WIRE -928 -896 -1344 -896 WIRE -384 -896 -928 -896 WIRE -1424 -848 -1424 -896 WIRE -928 -848 -928 -896 WIRE -1232 -832 -1264 -832 WIRE -992 -832 -1152 -832 WIRE -1648 -800 -1664 -800 WIRE -1568 -800 -1568 -896 WIRE -1568 -800 -1584 -800 WIRE -1552 -800 -1568 -800 WIRE -1472 -800 -1488 -800 WIRE -1424 -752 -1424 -784 WIRE -1344 -752 -1344 -896 WIRE -1024 -752 -1040 -752 WIRE -928 -752 -992 -832 WIRE -928 -752 -928 -768 WIRE -928 -752 -960 -752 WIRE -848 -752 -928 -752 WIRE -736 -752 -784 -752 WIRE -704 -752 -736 -752 WIRE -576 -752 -624 -752 WIRE -224 -752 -576 -752 WIRE -224 -736 -224 -752 WIRE -928 -704 -928 -752 WIRE -928 -704 -1184 -704 WIRE -736 -704 -736 -752 WIRE -1664 -688 -1664 -800 WIRE -1616 -688 -1664 -688 WIRE -1472 -688 -1472 -800 WIRE -1472 -688 -1536 -688 WIRE -576 -672 -576 -752 WIRE -928 -656 -928 -704 WIRE -224 -640 -224 -656 WIRE -80 -640 -160 -640 WIRE 80 -640 -16 -640 WIRE 192 -640 80 -640 WIRE 512 -640 192 -640 WIRE -160 -624 -160 -640 WIRE 80 -624 80 -640 WIRE 192 -624 192 -640 WIRE 512 -624 512 -640 WIRE -1296 -608 -1312 -608 WIRE -1184 -608 -1184 -624 WIRE -1184 -608 -1216 -608 WIRE -1088 -608 -1184 -608 WIRE -736 -608 -736 -640 WIRE -736 -608 -768 -608 WIRE -384 -592 -384 -896 WIRE -224 -592 -384 -592 WIRE -1664 -576 -1664 -688 WIRE -1648 -576 -1664 -576 WIRE -1568 -576 -1584 -576 WIRE -1552 -576 -1568 -576 WIRE -1472 -576 -1472 -688 WIRE -1472 -576 -1488 -576 WIRE -384 -576 -384 -592 WIRE -224 -544 -224 -592 WIRE -160 -528 -160 -544 WIRE 80 -528 80 -560 WIRE 192 -528 192 -544 WIRE 512 -528 512 -544 WIRE -1568 -512 -1568 -576 WIRE -1344 -512 -1344 -672 WIRE -1088 -512 -1344 -512 WIRE -576 -512 -576 -592 WIRE -576 -512 -768 -512 WIRE -480 -512 -576 -512 WIRE -576 -496 -576 -512 WIRE -480 -496 -480 -512 WIRE -384 -496 -384 -512 WIRE -1264 -416 -1280 -416 WIRE -1168 -416 -1184 -416 WIRE -1088 -416 -1168 -416 WIRE -720 -416 -768 -416 WIRE -384 -416 -384 -432 WIRE -224 -416 -224 -464 WIRE -224 -416 -384 -416 WIRE -576 -400 -576 -416 WIRE -480 -400 -480 -432 WIRE -384 -400 -384 -416 WIRE -1280 -320 -1280 -416 WIRE -1088 -320 -1280 -320 WIRE -432 -320 -768 -320 WIRE -1280 -304 -1280 -320 WIRE -1168 -224 -1168 -416 WIRE -1088 -224 -1168 -224 WIRE -384 -224 -384 -304 WIRE -384 -224 -768 -224 WIRE -1280 -208 -1280 -224 WIRE -384 -208 -384 -224 WIRE -1168 -128 -1168 -224 WIRE -1088 -128 -1168 -128 WIRE -720 -128 -768 -128 WIRE -1168 -112 -1168 -128 WIRE -720 -112 -720 -128 WIRE -384 -112 -384 -128 WIRE -1088 -32 -1168 -32 WIRE -720 -32 -720 -48 WIRE -720 -32 -768 -32 WIRE -1168 16 -1168 -32 WIRE -992 48 -992 32 WIRE -864 96 -864 32 WIRE -1168 112 -1168 96 WIRE -992 128 -992 112 FLAG -864 96 0 FLAG -720 -352 0 FLAG -384 -112 0 FLAG -1280 -208 0 FLAG -1040 -752 0 FLAG -224 -640 0 FLAG -160 -528 0 FLAG 80 -528 0 FLAG -1264 -832 0 FLAG -576 -400 0 FLAG -1568 -512 0 FLAG -1424 -752 0 FLAG -992 128 0 FLAG -1312 -608 0 FLAG 512 -528 0 FLAG 192 -528 0 FLAG -480 -400 0 FLAG -1168 112 0 SYMBOL cap -736 -416 R0 WINDOW 0 37 16 Left 2 WINDOW 3 35 49 Left 2 SYMATTR InstName C1 SYMATTR Value 4.7µ SYMBOL cap -736 -112 R0 SYMATTR InstName C2 SYMATTR Value 0.1µ SYMBOL nmos -432 -400 R0 WINDOW 0 55 25 Left 2 WINDOW 3 55 74 Left 2 WINDOW 123 55 102 Left 2 SYMATTR InstName Q1 SYMATTR Value BSC42DN25NS3 SYMBOL res -400 -224 R0 SYMATTR InstName R1 SYMATTR Value .03 SYMBOL res -1168 -432 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R2 SYMATTR Value 40.2K SYMBOL ind2 -240 -560 R0 WINDOW 0 1 43 Right 2 WINDOW 3 -2 70 Right 2 SYMATTR InstName L1 SYMATTR Value 300µ SYMATTR Type ind SYMBOL ind2 -240 -640 M180 WINDOW 0 2 69 Right 2 WINDOW 3 0 43 Right 2 SYMATTR InstName L2 SYMATTR Value 19µ SYMATTR Type ind SYMBOL ind2 -144 -528 R180 WINDOW 0 2 69 Right 2 WINDOW 3 1 40 Right 2 SYMATTR InstName L3 SYMATTR Value 19µ SYMATTR Type ind SYMBOL cap -752 -704 R0 WINDOW 3 42 29 Left 2 WINDOW 39 24 64 Left 2 SYMATTR Value 22p SYMATTR SpiceLine Rser=22K SYMATTR InstName C3 SYMBOL cap -960 -768 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C4 SYMATTR Value 10µ SYMBOL res -1360 -768 R0 SYMATTR InstName R3 SYMATTR Value 1Meg SYMBOL diode -784 -768 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName D1 SYMATTR Value 1N4148 SYMBOL res -944 -864 R0 SYMATTR InstName R4 SYMATTR Value 200K SYMBOL diode -400 -432 M180 WINDOW 0 32 32 Left 2 WINDOW 3 24 2 Left 2 SYMATTR InstName D2 SYMATTR Value GSD2004W-V SYMBOL zener -400 -576 R0 WINDOW 0 30 8 Left 2 WINDOW 3 35 32 Left 2 WINDOW 123 24 58 Left 2 SYMATTR InstName D3 SYMATTR Value DFLZ33 SYMATTR Value2 N=4 SYMATTR Description Diode SYMATTR Type diode SYMBOL schottky -80 -624 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName D4 SYMATTR Value MBRS1100 SYMATTR Description Diode SYMATTR Type diode SYMBOL cap 64 -624 R0 SYMATTR InstName C5 SYMATTR Value 200µ SYMBOL current -1232 -832 M90 WINDOW 0 -32 40 VBottom 2 WINDOW 3 32 40 VTop 2 WINDOW 123 60 41 VTop 2 WINDOW 39 82 40 VTop 2 SYMATTR InstName I1 SYMATTR Value PWL(0 0 10u 38 20u 0) SYMBOL res -592 -512 R0 SYMATTR InstName R5 SYMATTR Value 5.49K SYMBOL res -592 -688 R0 SYMATTR InstName R6 SYMATTR Value 100K SYMBOL diode -1648 -784 R270 WINDOW 3 0 32 VBottom 2 WINDOW 0 32 32 VTop 2 SYMATTR Value 1N4007 SYMATTR InstName D5 SYMBOL diode -1552 -560 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName D6 SYMATTR Value 1N4007 SYMBOL diode -1584 -560 M270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName D7 SYMATTR Value 1N4007 SYMBOL diode -1488 -784 M270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName D8 SYMATTR Value 1N4007 SYMBOL voltage -1632 -688 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 -32 56 VBottom 2 SYMATTR InstName V1 SYMATTR Value SINE(0 167 600) SYMBOL cap -1440 -848 R0 WINDOW 3 24 59 Left 2 SYMATTR Value 0.22µ SYMATTR InstName C6 SYMBOL PowerProducts\\LT3798 -928 -320 R0 SYMATTR InstName U1 SYMBOL cap -1008 48 R0 SYMATTR InstName C7 SYMATTR Value 0.22µ SYMBOL res -1184 -16 M180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R7 SYMATTR Value 10K SYMBOL res -608 -768 R90 WINDOW 0 0 47 VBottom 2 WINDOW 3 37 51 VTop 2 SYMATTR InstName R8 SYMATTR Value 20 SYMBOL res -1200 -624 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R9 SYMATTR Value 249k SYMBOL current 192 -544 M180 WINDOW 0 24 80 Left 2 WINDOW 3 24 0 Left 2 WINDOW 123 24 -42 Left 2 WINDOW 39 24 -21 Left 2 SYMATTR InstName I2 SYMATTR Value PWL(0 0 10u 500 20u 0) SYMBOL cap -496 -496 R0 WINDOW 0 37 16 Left 2 WINDOW 3 35 49 Left 2 SYMATTR InstName C8 SYMATTR Value 22p SYMBOL res -1184 112 M180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R10 SYMATTR Value 24.9K SYMBOL res -1200 -720 R0 WINDOW 0 35 60 Left 2 WINDOW 3 25 89 Left 2 SYMATTR InstName R11 SYMATTR Value 2.4Meg SYMBOL res -1296 -208 M180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R12 SYMATTR Value 31.6K SYMBOL res 496 -640 R0 SYMATTR InstName Rload SYMATTR Value 12 TEXT -184 -760 Bottom 2 !K1 L1 L2 L3 1. TEXT -400 -48 Left 2 !.tran 20m TEXT -1688 -464 Left 2 !.model 1N4007 D(Is=90p Rs=40m\n+ Cjo=30p N=1.4 TT=5u) TEXT -720 -904 Bottom 2 ;LT3798 - Isolated No Opto-Coupler Flyback Controller with Active PFC\nInput: 90VAC to 265VAC Output: 24V @ 2A TEXT -1320 136 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 © 2012 Linear Technology Inc. All rights reserved. TEXT -752 32 Left 2 ;** \nPurposely decreased VC and Output Cap by a \nfactor of 10, and set source frequency to 600Hz\nin order to speed up simulation. TEXT 64 -664 Left 2 ;** TEXT -952 56 Left 2 ;** TEXT -1544 -728 Left 2 ;** LINE Normal -192 -464 -192 -736 2