Version 4 SHEET 1 2140 1092 WIRE -704 -480 -720 -480 WIRE -512 -480 -704 -480 WIRE -192 -480 -512 -480 WIRE 640 -480 -112 -480 WIRE 832 -480 640 -480 WIRE 640 -416 640 -480 WIRE 832 -400 832 -480 WIRE -704 -368 -704 -480 WIRE 480 -336 416 -336 WIRE 592 -336 560 -336 WIRE 2000 -288 2000 -352 WIRE -512 -272 -512 -480 WIRE 640 -272 640 -320 WIRE 832 -272 832 -336 WIRE 832 -272 640 -272 WIRE 96 -240 96 -320 WIRE -112 -176 -144 -176 WIRE -64 -176 -112 -176 WIRE 320 -144 256 -144 WIRE 1600 -144 1520 -144 WIRE 1664 -144 1600 -144 WIRE 1792 -144 1744 -144 WIRE 1920 -144 1856 -144 WIRE 2000 -144 2000 -208 WIRE 2000 -144 1920 -144 WIRE 2080 -144 2000 -144 WIRE 640 -128 640 -272 WIRE 736 -128 640 -128 WIRE 800 -128 736 -128 WIRE 832 -128 800 -128 WIRE 944 -128 912 -128 WIRE 976 -128 944 -128 WIRE 1136 -128 1056 -128 WIRE 1296 -128 1136 -128 WIRE 1344 -128 1296 -128 WIRE -96 -112 -144 -112 WIRE -64 -112 -96 -112 WIRE -704 -96 -704 -288 WIRE -512 -96 -512 -208 WIRE 2000 -80 2000 -144 WIRE -128 -48 -352 -48 WIRE -64 -48 -128 -48 WIRE 736 -48 736 -128 WIRE 800 -48 800 -128 WIRE 1296 -32 1296 -128 WIRE 1600 -32 1600 -144 WIRE 1712 -32 1600 -32 WIRE 1920 -32 1920 -144 WIRE 1920 -32 1776 -32 WIRE 304 -16 256 -16 WIRE 336 -16 304 -16 WIRE 944 0 944 -128 WIRE 1136 0 1136 -128 WIRE -128 16 -176 16 WIRE -64 16 -128 16 WIRE 2000 64 2000 0 WIRE 1136 96 1136 64 WIRE 1296 96 1296 48 WIRE 96 128 96 80 WIRE 1296 176 1296 96 WIRE 1456 176 1296 176 WIRE -480 192 -480 128 WIRE -352 208 -352 -48 WIRE -304 208 -352 208 WIRE -176 208 -176 16 WIRE -176 208 -224 208 WIRE 336 208 336 -16 WIRE 416 208 336 208 WIRE 528 208 496 208 WIRE 736 208 736 16 WIRE 800 208 800 16 WIRE 800 208 736 208 WIRE 1136 208 1136 176 WIRE 1136 208 800 208 WIRE 1184 208 1136 208 WIRE 1296 208 1296 176 WIRE 1296 208 1264 208 WIRE 336 224 336 208 WIRE 1456 224 1456 176 WIRE -176 240 -176 208 WIRE 736 240 736 208 WIRE -352 256 -352 208 WIRE 1456 288 1456 224 WIRE -480 320 -480 272 WIRE -352 352 -352 320 WIRE -176 352 -176 304 WIRE 336 352 336 288 FLAG 1344 -128 Vout IOPIN 1344 -128 Out FLAG -720 -480 Vin IOPIN -720 -480 In FLAG -704 -96 0 FLAG -480 320 0 FLAG 416 -336 out FLAG -352 352 0 FLAG 336 352 0 FLAG -480 128 vcc FLAG 96 128 0 FLAG 96 -320 vcc FLAG 320 -144 out FLAG 304 -16 Ifb FLAG -112 -176 Vfb FLAG -96 -112 err FLAG -128 -48 ref FLAG -128 16 osc FLAG 528 208 isense FLAG 2000 -352 Vout IOPIN 2000 -352 Out FLAG 2000 64 0 FLAG 1520 -144 err FLAG 2080 -144 Vfb FLAG -176 352 0 FLAG -512 -96 0 FLAG 736 240 0 FLAG 1296 96 isense FLAG 1456 224 isense SYMBOL voltage -704 -384 R0 WINDOW 123 32 56 VTop 0 WINDOW 39 48 60 Left 0 WINDOW 3 21 88 Left 0 WINDOW 0 48 32 Left 0 SYMATTR SpiceLine Rser=100m SYMATTR Value 200 SYMATTR InstName V1 SYMBOL res 400 224 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 0 56 VBottom 0 SYMATTR InstName R3 SYMATTR Value 1k SYMBOL cap 352 224 M0 SYMATTR InstName C3 SYMATTR Value 1n SYMBOL res 1984 -304 R0 SYMATTR InstName R7 SYMATTR Value 22k SYMBOL res 1984 -96 R0 SYMATTR InstName R8 SYMATTR Value 2k5 SYMBOL nmos 592 -416 R0 SYMATTR InstName M1 SYMATTR Value SPA11N60C3 SYMBOL polcap -528 -272 R0 WINDOW 3 24 64 Left 0 SYMATTR Value 220µ SYMATTR InstName C7 SYMATTR Description Capacitor SYMATTR Type cap SYMATTR SpiceLine V=25 Irms=575m Rser=0.12 MTBF=1000 Lser=0 mfg="Panasonic" pn="ECA1EFQ221L" type="Al electrolytic" ppPkg=1 SYMBOL diode 752 16 R180 WINDOW 0 24 72 Left 0 WINDOW 3 24 0 Left 0 SYMATTR InstName D2 SYMATTR Value MUR460 SYMBOL voltage -480 176 R0 WINDOW 123 32 56 VTop 0 WINDOW 39 -64 41 VRight 0 WINDOW 3 -33 100 VRight 0 WINDOW 0 -28 3 VRight 0 SYMATTR Value 18 SYMATTR InstName V2 SYMBOL res 576 -352 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R6 SYMATTR Value 10 SYMBOL cap -368 256 R0 SYMATTR InstName C8 SYMATTR Value 0.1µ SYMBOL cap 1120 0 R0 SYMATTR InstName C2 SYMATTR Value 100µ SYMATTR SpiceLine Rser=100m SYMBOL diode 816 16 R180 WINDOW 0 24 72 Left 0 WINDOW 3 24 0 Left 0 SYMATTR InstName D1 SYMATTR Value MUR460 SYMBOL cap 1792 -160 M90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName C5 SYMATTR Value 10n SYMBOL res 1648 -128 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 0 56 VBottom 0 SYMATTR InstName R4 SYMATTR Value 100k SYMBOL res 1280 -48 R0 SYMATTR InstName R5 SYMATTR Value {last} SYMBOL ind 960 -112 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 0 52 VBottom 0 SYMATTR InstName L2 SYMATTR Value 447µ SYMATTR SpiceLine Ipk=10 Rser=1 SYMBOL res -320 224 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 0 56 VBottom 0 SYMATTR InstName R2 SYMATTR Value 10k SYMBOL cap -192 240 R0 SYMATTR InstName C4 SYMATTR Value 3n2 SYMBOL PowerProducts\\LT1242 96 -80 R0 SYMATTR InstName U1 SYMBOL res 1120 80 R0 SYMATTR InstName R9 SYMATTR Value 100m SYMBOL res -208 -464 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 0 56 VBottom 0 SYMATTR InstName R10 SYMATTR Value 100m SYMBOL cap 1712 -48 M90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName C1 SYMATTR Value 10n SYMBOL res 816 -112 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 0 56 VBottom 0 SYMATTR InstName R1 SYMATTR Value {shunt} SYMBOL res 1168 224 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 0 56 VBottom 0 SYMATTR InstName R12 SYMATTR Value {shunt} SYMBOL diode 848 -336 R180 WINDOW 0 24 72 Left 0 WINDOW 3 24 0 Left 0 SYMATTR InstName D3 SYMATTR Value MUR460 TEXT -664 -560 Left 0 !.tran 0 15m 10n 1u uic TEXT -472 -272 Left 0 !.options Trtol=9 Method=trapmod TEXT 1288 120 Left 0 ;.step param last list 8 16 24 TEXT 1360 64 Left 0 !.param last 24 TEXT 672 -544 Left 0 !.param shunt 0.33 TEXT -560 -520 Center 0 !.include uc384x.lib