Version 4
SHEET 1 2188 1188
WIRE 608 -352 -192 -352
WIRE 256 -304 256 -320
WIRE -528 -240 -672 -240
WIRE -480 -240 -528 -240
WIRE -368 -240 -480 -240
WIRE -128 -240 -368 -240
WIRE -64 -240 -128 -240
WIRE 128 -240 -64 -240
WIRE -672 -224 -672 -240
WIRE 128 -224 128 -240
WIRE 256 -224 256 -240
WIRE 384 -224 384 -240
WIRE -128 -208 -128 -240
WIRE -480 -192 -480 -240
WIRE -64 -176 -64 -240
WIRE -32 -176 -64 -176
WIRE 912 -176 544 -176
WIRE -672 -128 -672 -144
WIRE -480 -96 -480 -112
WIRE -32 -96 -480 -96
WIRE 656 -96 544 -96
WIRE 736 -96 656 -96
WIRE 1072 -96 816 -96
WIRE -480 -80 -480 -96
WIRE -128 -16 -128 -128
WIRE -32 -16 -128 -16
WIRE 656 -16 656 -32
WIRE 656 -16 544 -16
WIRE 800 -16 656 -16
WIRE 912 -16 912 -176
WIRE 912 -16 880 -16
WIRE -480 16 -480 0
WIRE -368 64 -368 -240
WIRE -32 64 -48 64
WIRE 560 64 544 64
WIRE -32 144 -320 144
WIRE 560 144 544 144
WIRE 608 192 608 -352
WIRE -368 224 -368 160
WIRE -192 224 -192 -352
WIRE -192 224 -368 224
WIRE -32 224 -192 224
WIRE 560 224 544 224
WIRE -368 240 -368 224
WIRE -528 304 -528 -240
WIRE -192 304 -192 288
WIRE -32 304 -192 304
WIRE 608 304 608 256
WIRE 608 304 544 304
WIRE 912 304 912 -16
WIRE 912 304 800 304
WIRE 944 304 912 304
WIRE 1040 304 1024 304
WIRE 1072 304 1072 -96
WIRE 1072 304 1040 304
WIRE 1184 304 1072 304
WIRE -368 320 -368 304
WIRE 912 320 912 304
WIRE 1072 320 1072 304
WIRE 1184 320 1184 304
WIRE -32 384 -480 384
WIRE 752 384 544 384
WIRE 912 416 912 384
WIRE 1072 416 1072 384
WIRE 1184 416 1184 400
WIRE -528 464 -528 400
WIRE -528 464 -560 464
WIRE -192 464 -192 368
WIRE -192 464 -528 464
WIRE -32 464 -192 464
WIRE 608 464 608 368
WIRE 608 464 544 464
WIRE 800 464 800 400
WIRE 800 464 608 464
WIRE 832 464 800 464
WIRE -32 544 -480 544
WIRE 752 544 544 544
WIRE 1040 608 1040 304
WIRE -160 624 -224 624
WIRE -32 624 -96 624
WIRE 560 624 544 624
WIRE 656 624 640 624
WIRE -224 704 -288 704
WIRE -96 704 -144 704
WIRE -32 704 -96 704
WIRE 1040 704 1040 688
WIRE 1040 704 544 704
WIRE -288 720 -288 704
WIRE -96 720 -96 704
WIRE 1040 720 1040 704
WIRE 64 768 64 752
WIRE 448 768 448 752
WIRE -288 800 -288 784
WIRE -96 800 -96 784
WIRE 192 800 192 752
WIRE 224 800 192 800
WIRE 320 800 320 752
WIRE 320 800 304 800
WIRE 352 800 320 800
WIRE 1040 816 1040 800
WIRE -528 848 -528 560
WIRE 192 848 192 800
WIRE 192 848 -528 848
WIRE 800 848 800 560
WIRE 800 848 192 848
WIRE -560 896 -560 464
WIRE 432 896 -560 896
WIRE 832 896 832 464
WIRE 832 896 512 896
FLAG 256 -320 0
FLAG -672 -128 0
FLAG 912 416 0
FLAG 1040 816 0
FLAG 352 800 0
FLAG 448 768 0
FLAG -224 624 0
FLAG -288 800 0
FLAG 64 768 0
FLAG 1184 416 0
FLAG 656 624 0
FLAG -672 -240 IN
FLAG 1072 416 0
FLAG -480 16 0
FLAG -368 320 0
FLAG 560 64 0
FLAG -96 800 0
FLAG 1184 304 OUT
SYMBOL nmos -480 304 M0
WINDOW 3 43 108 Right 2
WINDOW 0 34 -7 Right 2
SYMATTR Value PHM21NQ15T
SYMATTR InstName Q1
SYMBOL diode -208 224 R0
WINDOW 0 36 14 Left 2
WINDOW 3 36 54 Left 2
SYMATTR InstName D2
SYMATTR Value RF04UA2D
SYMBOL cap 240 -240 M180
WINDOW 0 24 56 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C1
SYMATTR Value 2.2µ
SYMBOL nmos 752 304 R0
WINDOW 3 39 102 Right 2
WINDOW 0 42 -16 Right 2
SYMATTR Value PHM21NQ15T
SYMATTR InstName Q2
SYMBOL nmos 752 464 R0
WINDOW 3 36 101 Right 2
WINDOW 0 0 30 Right 2
SYMATTR Value PHM21NQ15T
SYMATTR InstName Q3
SYMBOL voltage -672 -240 R0
WINDOW 0 23 19 Left 2
WINDOW 3 27 95 Left 2
SYMATTR InstName V1
SYMATTR Value 70
SYMBOL cap 896 320 R0
SYMATTR InstName C2
SYMATTR Value 30µ
SYMBOL res 1024 704 R0
SYMATTR InstName R1
SYMATTR Value 12.1K
SYMBOL res 1024 592 R0
SYMATTR InstName R2
SYMATTR Value 475K
SYMBOL res 208 816 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R3
SYMATTR Value 4m
SYMBOL cap -208 304 R0
WINDOW 0 33 18 Left 2
WINDOW 3 29 58 Left 2
SYMATTR InstName C3
SYMATTR Value .22µ
SYMBOL cap 592 304 R0
WINDOW 0 33 18 Left 2
WINDOW 3 29 58 Left 2
SYMATTR InstName C4
SYMATTR Value .22µ
SYMBOL cap -96 608 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C5
SYMATTR Value .005µ
SYMBOL cap -304 720 R0
SYMATTR InstName C6
SYMATTR Value 10n
SYMBOL res -128 688 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 10K
SYMBOL nmos -480 464 M0
WINDOW 3 38 107 Right 2
WINDOW 0 2 32 Right 2
SYMATTR Value PHM21NQ15T
SYMATTR InstName Q4
SYMBOL ind 416 912 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 15µ
SYMATTR SpiceLine Rpar=1K
SYMBOL res 928 320 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R5
SYMATTR Value 4m
SYMBOL res 544 640 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R6
SYMATTR Value 56.2K
SYMBOL cap 1056 320 R0
SYMATTR InstName C7
SYMATTR Value 56µ
SYMBOL res 832 -112 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R7
SYMATTR Value 100
SYMBOL res 896 -32 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R8
SYMATTR Value 100
SYMBOL cap 640 -96 R0
WINDOW 0 37 20 Left 2
WINDOW 3 33 50 Left 2
SYMATTR InstName C8
SYMATTR Value 4.7µ
SYMBOL res 1168 304 R0
SYMATTR InstName Rload
SYMATTR Value 10
SYMBOL PowerProducts\\LTC3779 256 256 R0
SYMATTR InstName U1
SYMBOL res -144 -224 R0
SYMATTR InstName R9
SYMATTR Value 10K
SYMBOL res -496 -96 R0
SYMATTR InstName R11
SYMATTR Value 1.21K
SYMBOL res -496 -208 R0
SYMATTR InstName R12
SYMATTR Value 133K
SYMBOL nmos -320 64 M0
WINDOW 0 33 -3 Right 2
WINDOW 3 34 102 Right 2
SYMATTR InstName M1
SYMATTR Value Si9420DY
SYMBOL cap -384 240 R0
SYMATTR InstName C9
SYMATTR Value 10µ
SYMBOL cap -112 720 R0
SYMATTR InstName C10
SYMATTR Value 100p
SYMBOL diode 592 192 R0
SYMATTR InstName D1
SYMATTR Value RF04UA2D
TEXT 880 880 Left 2 !.tran 2.5m startup