Version 4
SHEET 1 1628 1604
WIRE 128 -288 32 -288
WIRE 384 -288 128 -288
WIRE 512 -288 384 -288
WIRE 704 -288 512 -288
WIRE 832 -288 704 -288
WIRE 992 -288 832 -288
WIRE 32 -272 32 -288
WIRE 128 -272 128 -288
WIRE 704 -272 704 -288
WIRE 32 -176 32 -192
WIRE 384 -176 384 -288
WIRE 384 -176 176 -176
WIRE 832 -176 832 -288
WIRE 384 -160 384 -176
WIRE 512 -160 512 -288
WIRE 128 -96 128 -192
WIRE 224 -96 128 -96
WIRE 784 -96 672 -96
WIRE 176 0 176 -176
WIRE 224 0 176 0
WIRE 704 0 704 -208
WIRE 704 0 672 0
WIRE 704 16 704 0
WIRE 176 96 176 0
WIRE 224 96 176 96
WIRE 704 96 704 80
WIRE 704 96 672 96
WIRE 832 96 832 -80
WIRE 832 96 704 96
WIRE 1024 96 832 96
WIRE 1136 96 1104 96
WIRE 176 112 176 96
WIRE 224 192 176 192
WIRE 832 192 832 96
WIRE 832 192 672 192
WIRE 832 208 832 192
WIRE 784 288 672 288
WIRE 144 368 128 368
WIRE 224 368 208 368
WIRE 832 384 832 304
WIRE 832 384 672 384
WIRE 896 432 864 432
WIRE 992 432 992 -288
WIRE 992 432 960 432
WIRE 832 480 832 384
WIRE 832 480 672 480
WIRE 832 496 832 480
WIRE 992 496 992 432
WIRE 16 560 0 560
WIRE 224 560 80 560
WIRE 944 576 672 576
WIRE 112 656 96 656
WIRE 224 656 176 656
WIRE 864 672 864 432
WIRE 864 672 672 672
WIRE 864 688 864 672
WIRE 224 752 192 752
WIRE 864 768 864 752
WIRE 864 768 672 768
WIRE 992 768 992 592
WIRE 992 768 864 768
WIRE 1024 768 992 768
WIRE 1136 768 1136 96
WIRE 1136 768 1104 768
WIRE 1184 768 1136 768
WIRE 1296 768 1184 768
WIRE 1184 784 1184 768
WIRE 1296 784 1296 768
WIRE 48 848 32 848
WIRE 144 848 128 848
WIRE 224 848 144 848
WIRE 144 864 144 848
WIRE 992 864 992 768
WIRE 992 864 672 864
WIRE 992 880 992 864
WIRE 1184 880 1184 848
WIRE 1296 880 1296 864
WIRE 144 960 144 944
WIRE 224 960 144 960
WIRE 944 960 672 960
WIRE 224 1056 192 1056
WIRE 992 1056 992 976
WIRE 992 1056 672 1056
WIRE 224 1152 192 1152
WIRE 992 1152 992 1056
WIRE 992 1152 672 1152
WIRE 992 1168 992 1152
WIRE 192 1232 192 1152
WIRE 1136 1232 1136 768
WIRE 1136 1232 192 1232
FLAG 128 368 0
FLAG 0 560 0
FLAG 32 -176 0
FLAG 832 496 0
FLAG 1184 880 0
FLAG 1296 880 0
FLAG 96 656 0
FLAG 32 -288 IN
FLAG 1296 768 OUT
FLAG 32 848 0
FLAG 992 1168 0
FLAG 192 1056 0
FLAG 192 752 0
SYMBOL cap 208 352 R90
WINDOW 0 -2 30 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 500p
SYMBOL cap 80 544 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
WINDOW 39 56 35 VTop 2
SYMATTR InstName C2
SYMATTR Value .1µ
SYMATTR SpiceLine Rser=3.32K
SYMBOL voltage 32 -288 R0
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL nmos 784 -176 R0
WINDOW 3 52 72 Left 2
SYMATTR Value HAT2168H
SYMATTR InstName Q1
SYMBOL nmos 784 208 R0
WINDOW 3 52 72 Left 2
SYMATTR Value HAT2168H
SYMATTR InstName Q2
SYMBOL ind 1008 112 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 1.22µ
SYMBOL cap 688 16 R0
SYMATTR InstName C3
SYMATTR Value .22µ
SYMBOL schottky 688 -272 R0
WINDOW 3 18 68 Left 2
SYMATTR Value CMDSH2-3
SYMATTR InstName D1
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap 1168 784 R0
WINDOW 39 23 65 Left 2
SYMATTR Value 500µ
SYMATTR InstName C4
SYMBOL cap 176 640 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
WINDOW 39 53 34 VTop 2
SYMATTR InstName C5
SYMATTR Value 680p
SYMATTR SpiceLine Rser=20K
SYMBOL res 128 960 M180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R1
SYMATTR Value 15K
SYMBOL res 144 864 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R2
SYMATTR Value 10K
SYMBOL LTC3709 448 528 R0
SYMATTR InstName U1
SYMBOL nmos 944 496 R0
SYMATTR InstName Q3
SYMATTR Value HAT2168H
SYMBOL nmos 944 880 R0
SYMATTR InstName Q4
SYMATTR Value HAT2168H
SYMBOL ind 1008 784 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L2
SYMATTR Value 1.22µ
SYMBOL cap 848 688 R0
SYMATTR InstName C6
SYMATTR Value .22µ
SYMBOL schottky 960 416 R90
WINDOW 3 32 32 VTop 2
WINDOW 0 0 32 VBottom 2
SYMATTR Value CMDSH2-3
SYMATTR InstName D2
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 112 -288 R0
SYMATTR InstName R3
SYMATTR Value 324K
SYMBOL res 192 96 M0
SYMATTR InstName R4
SYMATTR Value 100K
SYMBOL res 1280 768 R0
SYMATTR InstName Rload
SYMATTR Value .05
TEXT 1216 1096 Left 2 !.tran 1m startup