Version 4
SHEET 1 880 680
WIRE 80 -144 -144 -144
WIRE 80 -112 80 -144
WIRE -144 -64 -144 -144
WIRE -144 -64 -272 -64
WIRE -96 -64 -144 -64
WIRE -272 -48 -272 -64
WIRE -144 16 -144 -64
WIRE -96 16 -144 16
WIRE 288 16 256 16
WIRE 304 16 288 16
WIRE 400 16 368 16
WIRE -272 48 -272 32
WIRE -96 96 -144 96
WIRE 320 96 256 96
WIRE -144 176 -144 96
WIRE -96 176 -144 176
WIRE 320 176 320 160
WIRE 320 176 256 176
WIRE 384 176 320 176
WIRE 496 176 464 176
WIRE 544 176 496 176
WIRE 640 176 544 176
WIRE 544 192 544 176
WIRE 640 192 640 176
WIRE -144 256 -144 176
WIRE -96 256 -144 256
WIRE 496 256 496 176
WIRE 496 256 256 256
WIRE 544 288 544 256
WIRE 640 288 640 272
WIRE -96 336 -112 336
WIRE -96 416 -112 416
WIRE 336 416 256 416
WIRE 432 416 400 416
WIRE 16 480 16 464
WIRE -144 512 -144 256
WIRE 144 512 144 464
WIRE 144 512 -144 512
WIRE 288 512 288 16
WIRE 288 512 144 512
FLAG -272 48 0
FLAG 400 16 0
FLAG 544 288 0
FLAG 640 288 0
FLAG 432 416 0
FLAG 16 480 0
FLAG -112 416 0
FLAG 640 176 OUT
FLAG -272 -64 IN
FLAG -112 336 0
SYMBOL PowerProducts\\LTC3623 80 176 R0
SYMATTR InstName U1
SYMATTR Description 15V, ±5A Synchronous Step-Down Regulator
SYMBOL voltage -272 -64 R0
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL cap 368 0 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 2.2µ
SYMBOL cap 304 96 R0
SYMATTR InstName C2
SYMATTR Value .1µ
SYMBOL ind 368 192 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 1µ
SYMATTR Value2 Rser=5m
SYMBOL cap 528 192 R0
SYMATTR InstName C3
SYMATTR Value 100µ
SYMATTR Value2 Rser=10m
SYMBOL cap 400 400 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
WINDOW 123 60 32 VTop 2
SYMATTR InstName C4
SYMATTR Value 2.2n
SYMATTR Value2 Rpar=100K
SYMBOL res 624 176 R0
SYMATTR InstName Rload
SYMATTR Value 1
TEXT 408 528 Left 2 !.tran 1.8m startup