Rev Author Line No. Line
396 kaklik 1 Version 4
2 SHEET 1 1380 692
3 WIRE -112 -112 -208 -112
4 WIRE 0 -112 -112 -112
5 WIRE 192 -112 0 -112
6 WIRE 224 -112 192 -112
7 WIRE 320 -112 224 -112
8 WIRE 560 -112 320 -112
9 WIRE 688 -112 608 -112
10 WIRE 800 -112 752 -112
11 WIRE 896 -112 800 -112
12 WIRE 224 -96 224 -112
13 WIRE 320 -96 320 -112
14 WIRE 560 -96 560 -112
15 WIRE 608 -96 608 -112
16 WIRE 800 -96 800 -112
17 WIRE 896 -96 896 -112
18 WIRE -208 -80 -208 -112
19 WIRE -112 -80 -112 -112
20 WIRE 0 -80 0 -112
21 WIRE 224 0 224 -32
22 WIRE 320 0 320 -16
23 WIRE 320 0 224 0
24 WIRE 400 0 320 0
25 WIRE 560 0 560 -16
26 WIRE 560 0 464 0
27 WIRE 608 0 608 -16
28 WIRE 800 0 800 -32
29 WIRE 896 0 896 -16
30 WIRE -208 16 -208 0
31 WIRE -112 16 -112 -16
32 WIRE 192 32 192 -112
33 WIRE -144 96 -160 96
34 WIRE 0 96 0 0
35 WIRE 0 96 -64 96
36 WIRE 32 96 0 96
37 WIRE 384 96 352 96
38 WIRE 560 96 560 0
39 WIRE 560 96 464 96
40 WIRE -64 176 -160 176
41 WIRE 32 176 16 176
42 WIRE 560 176 560 96
43 WIRE 560 176 352 176
44 WIRE -96 256 -160 256
45 WIRE 32 256 -16 256
46 WIRE 368 256 352 256
47 WIRE 464 256 448 256
48 WIRE -144 336 -160 336
49 WIRE -48 336 -64 336
50 WIRE 32 336 16 336
51 WIRE 368 336 352 336
52 WIRE 464 336 432 336
53 WIRE 128 416 128 400
54 WIRE 256 416 256 400
55 WIRE 128 496 128 480
56 FLAG 256 416 0
57 FLAG 128 496 0
58 FLAG -160 336 0
59 FLAG -160 176 0
60 FLAG -160 256 0
61 FLAG -208 16 0
62 FLAG 464 336 0
63 FLAG 464 256 0
64 FLAG 800 0 0
65 FLAG 608 0 0
66 FLAG 896 0 0
67 FLAG -208 -112 IN
68 FLAG 896 -112 OUT
69 FLAG -160 96 0
70 FLAG -112 16 0
71 SYMBOL res 0 240 R90
398 kaklik 72 WINDOW 0 0 56 VBottom 2
73 WINDOW 3 32 56 VTop 2
396 kaklik 74 SYMATTR InstName R1
75 SYMATTR Value 10K
76 SYMBOL res 32 160 R90
398 kaklik 77 WINDOW 0 0 56 VBottom 2
78 WINDOW 3 32 56 VTop 2
396 kaklik 79 SYMATTR InstName R2
80 SYMATTR Value 28.7K
81 SYMBOL voltage -208 -96 R0
82 SYMATTR InstName V1
83 SYMATTR Value 18
84 SYMBOL cap 16 320 R90
398 kaklik 85 WINDOW 0 0 32 VBottom 2
86 WINDOW 3 32 32 VTop 2
396 kaklik 87 SYMATTR InstName C1
88 SYMATTR Value .001µ
89 SYMBOL cap 432 320 R90
398 kaklik 90 WINDOW 0 0 32 VBottom 2
91 WINDOW 3 32 32 VTop 2
396 kaklik 92 SYMATTR InstName C2
93 SYMATTR Value 4.7µ
94 SYMBOL res 480 80 R90
398 kaklik 95 WINDOW 0 0 56 VBottom 2
96 WINDOW 3 32 56 VTop 2
396 kaklik 97 SYMATTR InstName R3
98 SYMATTR Value 80.6K
99 SYMBOL res 464 240 R90
398 kaklik 100 WINDOW 0 0 56 VBottom 2
101 WINDOW 3 32 56 VTop 2
396 kaklik 102 SYMATTR InstName R4
103 SYMATTR Value 6.04K
104 SYMBOL ind2 544 -112 R0
398 kaklik 105 WINDOW 0 0 35 Right 2
106 WINDOW 3 0 72 Right 2
396 kaklik 107 SYMATTR InstName L1
398 kaklik 108 SYMATTR Value 100µ
396 kaklik 109 SYMATTR Type ind
398 kaklik 110 SYMATTR SpiceLine Rser=0.22 Rpar=5K
396 kaklik 111 SYMBOL ind2 624 0 R180
398 kaklik 112 WINDOW 0 -3 72 Right 2
113 WINDOW 3 1 44 Right 2
396 kaklik 114 SYMATTR InstName L2
398 kaklik 115 SYMATTR Value 1000µ
396 kaklik 116 SYMATTR Type ind
398 kaklik 117 SYMATTR SpiceLine Rser=31 Rpar=5K
396 kaklik 118 SYMBOL cap 784 -96 R0
119 SYMATTR InstName C3
398 kaklik 120 SYMATTR Value 1µ
396 kaklik 121 SYMBOL schottky 688 -96 R270
398 kaklik 122 WINDOW 0 32 32 VTop 2
123 WINDOW 3 0 32 VBottom 2
396 kaklik 124 SYMATTR InstName D1
125 SYMATTR Value MBRS340
126 SYMATTR Description Diode
127 SYMATTR Type diode
128 SYMBOL res -48 320 R90
398 kaklik 129 WINDOW 0 0 56 VBottom 2
130 WINDOW 3 32 56 VTop 2
396 kaklik 131 SYMATTR InstName R5
132 SYMATTR Value 59K
133 SYMBOL cap 112 480 M180
398 kaklik 134 WINDOW 0 24 64 Left 2
135 WINDOW 3 24 8 Left 2
396 kaklik 136 SYMATTR InstName C4
137 SYMATTR Value .01µ
138 SYMBOL res -16 -96 R0
139 SYMATTR InstName R6
140 SYMATTR Value 357K
141 SYMBOL res -48 80 R90
398 kaklik 142 WINDOW 0 0 56 VBottom 2
143 WINDOW 3 32 56 VTop 2
396 kaklik 144 SYMATTR InstName R7
145 SYMATTR Value 51.1K
146 SYMBOL res 304 -112 R0
147 SYMATTR InstName R8
398 kaklik 148 SYMATTR Value 1K
396 kaklik 149 SYMBOL cap 208 -96 R0
150 SYMATTR InstName C5
151 SYMATTR Value .22µ
398 kaklik 152 SYMBOL diode 464 16 M270
153 WINDOW 0 32 32 VTop 2
154 WINDOW 3 -3 0 VBottom 2
396 kaklik 155 SYMATTR InstName D2
398 kaklik 156 SYMATTR Value ES1D
396 kaklik 157 SYMBOL res 880 -112 R0
158 SYMATTR InstName Rload
398 kaklik 159 SYMATTR Value 12.1
160 SYMATTR SpiceLine tol=1 pwr=0.1
396 kaklik 161 SYMBOL PowerProducts\\LT3574 192 208 R0
162 SYMATTR InstName U1
163 SYMBOL cap -128 -80 R0
164 SYMATTR InstName C6
165 SYMATTR Value 10µ
398 kaklik 166 TEXT 576 -120 Bottom 2 !K1 L1 L2 1
167 TEXT 328 464 Left 2 !.tran 100m startup
168 TEXT -360 512 Left 2 ;Notes:\n If the simulation model is not found please update with the "Sync Release" command from the "Tools" menu.\n It remains the customer's responsibility to verify proper and reliable operation in the actual application.\n Component substitution and printed circuit board layout may significantly affect circuit performance or reliability.\n Contact your local sales representative for assistance. This circuit is distributed to customers only for use with LTC parts.\n Copyright © 2010 Linear Technology Inc. All rights reserved.
169 TEXT 272 -152 Bottom 2 ;LT3574 - Isolated Flyback Converter Without an Opto-Coupler \nInput 12V to 24V, Output 5V @ 350mA