See attached LtSpice..
or. see below.. Version 4 SHEET 1 880 680 WIRE 240 -80 144 -80 WIRE 240 -64 240 -80 WIRE 144 -16 144 -80 WIRE 144 -16 80 -16 WIRE 208 -16 144 -16 WIRE 80 16 80 -16 WIRE 208 16 208 -16 WIRE 208 112 208 80 WIRE 288 112 208 112 WIRE 80 128 80 80 WIRE 80 128 -16 128 WIRE 352 128 352 32 WIRE 544 128 544 32 WIRE 80 160 80 128 WIRE 208 160 208 112 WIRE 80 256 80 224 WIRE 208 256 208 224 WIRE 208 256 80 256 WIRE 352 256 352 192 WIRE 352 256 208 256 WIRE 384 256 352 256 WIRE 464 256 448 256 WIRE 544 256 544 192 WIRE 544 256 464 256 WIRE 592 256 544 256 WIRE -16 288 -16 272 WIRE 288 288 288 176 WIRE 288 288 -16 288 WIRE 544 288 544 256 WIRE 592 288 592 256 WIRE 544 384 544 352 WIRE 592 384 592 368 FLAG 240 -64 0 FLAG 592 384 0 FLAG 544 32 0 FLAG 544 384 0 FLAG 352 32 0 SYMBOL voltage -16 288 R180 WINDOW 0 24 96 Left 2 WINDOW 3 24 16 Left 2 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V2 SYMATTR Value SINE(0 220 60) SYMBOL cap -32 128 R0 WINDOW 0 -68 24 Left 2 SYMATTR InstName C2 SYMATTR Value 6µ SYMBOL diode 64 16 R0 SYMATTR InstName D1 SYMATTR Value MUR460 SYMBOL diode 64 160 R0 SYMATTR InstName D2 SYMATTR Value MUR460 SYMBOL diode 192 160 R0 SYMATTR InstName D3 SYMATTR Value MUR460 SYMBOL diode 192 16 R0 SYMATTR InstName D4 SYMATTR Value MUR460 SYMBOL res 576 272 R0 SYMATTR InstName R1 SYMATTR Value 31.25 SYMBOL cap 528 128 R0 SYMATTR InstName C3 SYMATTR Value 2200µ SYMBOL cap 272 112 R0 SYMATTR InstName C1 SYMATTR Value 6µ SYMBOL zener 560 352 R180 WINDOW 0 24 64 Left 2 WINDOW 3 24 0 Left 2 SYMATTR InstName D5 SYMATTR Value BZX84C6V2L SYMATTR Description Diode SYMATTR Type diode SYMBOL ind 480 240 R90 WINDOW 0 5 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName L1 SYMATTR Value 100m SYMBOL cap 336 128 R0 SYMATTR InstName C4 SYMATTR Value 2200µ TEXT -176 -48 Left 2 !.tran 0 4 0 1m startup TEXT 632 368 Left 1 ;0.8 watt load at 5.0v TEXT 400 384 Left 2 ;Safe zener
Jamie