Version 4 SHEET 1 2376 1168 WIRE -336 -128 -512 -128 WIRE 0 -128 -336 -128 WIRE 480 -128 80 -128 WIRE 592 -128 480 -128 WIRE 736 -128 656 -128 WIRE 816 -128 736 -128 WIRE 992 -128 816 -128 WIRE -512 -112 -512 -128 WIRE 816 -112 816 -128 WIRE 992 -112 992 -128 WIRE 480 -96 480 -128 WIRE -512 -16 -512 -32 WIRE -336 -16 -336 -128 WIRE -144 -16 -336 -16 WIRE 272 -16 208 -16 WIRE 432 -16 272 -16 WIRE 816 -16 816 -48 WIRE 992 -16 992 -32 WIRE -336 0 -336 -16 WIRE 736 48 736 -128 WIRE -336 96 -336 80 WIRE -176 96 -336 96 WIRE -144 96 -176 96 WIRE 256 96 208 96 WIRE 336 96 256 96 WIRE 480 96 480 0 WIRE 480 96 416 96 WIRE -336 112 -336 96 WIRE 256 176 256 160 WIRE -336 208 -336 192 WIRE -176 208 -336 208 WIRE -144 208 -176 208 WIRE 736 208 736 128 WIRE 736 208 208 208 WIRE -336 224 -336 208 WIRE 736 240 736 208 WIRE -336 320 -336 304 WIRE -256 320 -336 320 WIRE -176 320 -192 320 WIRE -144 320 -176 320 WIRE 240 320 208 320 WIRE 336 320 320 320 WIRE -336 352 -336 320 WIRE 736 352 736 320 WIRE -256 432 -288 432 WIRE -144 432 -176 432 WIRE 272 432 208 432 WIRE 352 432 272 432 WIRE 384 432 352 432 WIRE 480 432 464 432 WIRE 352 480 352 432 WIRE 480 480 480 432 WIRE -144 544 -160 544 WIRE 256 544 208 544 WIRE 256 560 256 544 WIRE 352 576 352 544 WIRE 480 576 480 544 WIRE 480 576 352 576 WIRE 352 592 352 576 WIRE -32 640 -32 624 WIRE 96 640 96 624 WIRE 256 640 256 624 FLAG 816 -16 0 FLAG 992 -16 0 FLAG -512 -128 IN FLAG 992 -128 OUT FLAG -512 -16 0 FLAG -288 432 0 FLAG 96 640 0 FLAG 480 176 0 FLAG -32 640 0 FLAG 256 176 0 FLAG -336 352 0 FLAG 256 640 0 FLAG 352 592 0 FLAG 336 320 0 FLAG 736 352 0 FLAG -160 544 0 FLAG -176 96 EN FLAG -176 208 OVI FLAG -176 320 SS FLAG 256 544 VDRV FLAG 272 432 COMP FLAG 272 -16 NDRV FLAG 256 96 CS SYMBOL cap 800 -112 R0 WINDOW 39 24 77 Left 2 WINDOW 123 24 98 Left 2 SYMATTR SpiceLine Rser=1.1m SYMATTR Value2 X6 SYMATTR Value 9.43µ SYMATTR InstName C2 SYMBOL schottky 592 -112 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName D1 SYMATTR Value MBR745 SYMATTR Description Diode SYMATTR Type diode SYMBOL res 464 80 R0 SYMATTR InstName RCS SYMATTR Value 40m SYMBOL res 976 -128 R0 SYMATTR InstName Rload SYMATTR Value 20 SYMBOL res -160 416 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R9 SYMATTR Value 100K SYMBOL NMOS 432 -96 R0 SYMATTR InstName M1 SYMATTR Value BSC093N04LS SYMBOL res 432 80 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R1 SYMATTR Value 221 SYMBOL cap 240 96 R0 SYMATTR InstName C4 SYMATTR Value 1n SYMBOL res -352 -16 R0 SYMATTR InstName R2 SYMATTR Value 210k SYMBOL cap -192 304 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C1 SYMATTR Value 39n SYMBOL res -352 96 R0 SYMATTR InstName R3 SYMATTR Value 1.18k SYMBOL res -352 208 R0 SYMATTR InstName R4 SYMATTR Value 17.8k SYMBOL cap 240 560 R0 SYMATTR InstName C5 SYMATTR Value 1µ SYMBOL cap 464 480 R0 SYMATTR InstName C6 SYMATTR Value 220n SYMBOL cap 336 480 R0 SYMATTR InstName C9 SYMATTR Value 3n SYMBOL res 480 416 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R5 SYMATTR Value 2.1K SYMBOL res 224 336 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R6 SYMATTR Value 1 SYMBOL res 720 32 R0 SYMATTR InstName R7 SYMATTR Value 562K SYMBOL res 720 224 R0 SYMATTR InstName R8 SYMATTR Value 30.1K SYMBOL ind -16 -112 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 WINDOW 39 -16 56 VBottom 2 SYMATTR InstName L1 SYMATTR Value 51µ SYMATTR SpiceLine Rser=100m SYMBOL voltage -512 -128 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V1 SYMATTR Value 15 SYMBOL MAX17597 32 224 R0 SYMATTR InstName U1 TEXT 568 608 Left 2 !.tran 8m startup