MC34063の回路図(LTSpice)

MC34063の回路図、実際のICを上から見るとU1のような形になっているが、世の中にあるSpice用の回路図はU2にあるようにbottom viewのものばかり。Ctrl+Eでひっくり返したら良いのだが、はじめから逆であったらいいと思った。

少々長いが、Top Viewのものは

Version 4
SymbolType CELL
LINE Normal -44 -80 -59 -80
LINE Normal -44 -48 -44 -80
LINE Normal -59 -48 -44 -48
LINE Normal -59 -48 -59 -48
LINE Normal -59 -48 -59 -48
LINE Normal -92 -64 -75 -64
LINE Normal -29 -30 -84 -30
LINE Normal -29 -54 -29 -30
LINE Normal -44 -54 -29 -54
LINE Normal 29 -71 -44 -71
LINE Normal -149 -64 -131 -64
LINE Normal -149 -56 -149 -71
LINE Normal -157 -73 -149 -67
LINE Normal -157 -96 -157 -73
LINE Normal 35 -96 -157 -96
LINE Normal -157 -56 -149 -61
LINE Normal -157 -47 -157 -56
LINE Normal -169 -47 -157 -47
LINE Normal -169 -39 -169 -54
LINE Normal -177 -56 -169 -50
LINE Normal -177 -39 -169 -44
LINE Normal -177 -85 -177 -56
LINE Normal -213 -85 -177 -85
LINE Normal -177 -29 -177 -39
LINE Normal -214 -29 -177 -29
LINE Normal -68 -3 -68 -30
LINE Normal -20 127 -20 76
LINE Normal 16 101 -20 127
LINE Normal -20 76 16 101
LINE Normal -63 93 -20 93
LINE Normal -35 114 -20 114
LINE Normal 29 -71 29 101
LINE Normal 29 101 16 101
LINE Normal -35 144 -35 115
LINE Normal -177 19 -108 19
LINE Normal -177 64 -177 19
LINE Normal -197 64 -177 64
LINE Normal -12 98 -12 88
LINE Normal -17 93 -7 93
LINE Normal -17 114 -9 114
LINE Normal -175 -43 -177 -39
LINE Normal -173 -39 -177 -39
LINE Normal -153 -56 -157 -56
LINE Normal -155 -60 -157 -56
LINE Normal 35 144 -35 144
LINE Normal -13 -16 37 -16
LINE Normal -13 -3 -13 -16
RECTANGLE Normal 96 160 -240 -112
RECTANGLE Normal -131 -15 -92 -80
RECTANGLE Normal -109 53 0 -3
RECTANGLE Normal -137 120 -63 71
CIRCLE Normal -85 -34 -92 -26
ARC Normal -44 -80 -75 -48 -59 -80 -59 -48
TEXT -92 -64 Right 2 S
TEXT -131 -64 Left 2 Q
TEXT -94 -30 Right 2 R
TEXT -3 13 Right 2 Ipk
TEXT -99 84 Center 2 1.25V
TEXT -99 106 Center 2 Ref
TEXT -3 36 Right 2 Osc
TEXT -76 16 Right 2 C
TEXT -90 24 Right 2 T
WINDOW 0 -95 -128 Left 2
WINDOW 3 -170 177 Left 2
SYMATTR Value MC34063/NJM2360
SYMATTR Value2 MC34063
SYMATTR SpiceModel MC34063.lib
SYMATTR Prefix X
SYMATTR Description Switching regulator
PIN -240 -96 LEFT 8
PINATTR PinName SWC
PINATTR SpiceOrder 1
PIN -240 -16 LEFT 8
PINATTR PinName SWE
PINATTR SpiceOrder 2
PIN -240 64 LEFT 8
PINATTR PinName Ct
PINATTR SpiceOrder 3
PIN -240 144 LEFT 8
PINATTR PinName GND
PINATTR SpiceOrder 4
PIN 96 144 RIGHT 8
PINATTR PinName Cinv
PINATTR SpiceOrder 5
PIN 96 64 RIGHT 8
PINATTR PinName Vcc
PINATTR SpiceOrder 6
PIN 96 -16 RIGHT 8
PINATTR PinName Isns
PINATTR SpiceOrder 7
PIN 96 -96 RIGHT 8
PINATTR PinName DRC
PINATTR SpiceOrder 8

 

Bottom viewのものは

Version 4
SymbolType CELL
LINE Normal -97 -80 -82 -80
LINE Normal -97 -48 -97 -80
LINE Normal -82 -48 -97 -48
LINE Normal -82 -48 -82 -48
LINE Normal -82 -48 -82 -48
LINE Normal -49 -64 -66 -64
LINE Normal -112 -30 -57 -30
LINE Normal -112 -54 -112 -30
LINE Normal -97 -54 -112 -54
LINE Normal -170 -71 -97 -71
LINE Normal 8 -64 -10 -64
LINE Normal 8 -56 8 -71
LINE Normal 16 -73 8 -67
LINE Normal 16 -96 16 -73
LINE Normal -176 -96 16 -96
LINE Normal 16 -56 8 -61
LINE Normal 16 -47 16 -56
LINE Normal 28 -47 16 -47
LINE Normal 28 -39 28 -54
LINE Normal 36 -56 28 -50
LINE Normal 36 -39 28 -44
LINE Normal 36 -85 36 -56
LINE Normal 72 -85 36 -85
LINE Normal 36 -29 36 -39
LINE Normal 73 -29 36 -29
LINE Normal -73 -3 -73 -30
LINE Normal -128 -27 -220 -27
LINE Normal -128 -3 -128 -27
LINE Normal -121 127 -121 76
LINE Normal -157 101 -121 127
LINE Normal -121 76 -157 101
LINE Normal -78 93 -121 93
LINE Normal -106 114 -121 114
LINE Normal -170 -71 -170 101
LINE Normal -170 101 -157 101
LINE Normal -106 144 -106 115
LINE Normal 36 19 -33 19
LINE Normal 36 64 36 19
LINE Normal 56 64 36 64
LINE Normal -129 98 -129 88
LINE Normal -124 93 -134 93
LINE Normal -124 114 -132 114
LINE Normal 34 -43 36 -39
LINE Normal 32 -39 36 -39
LINE Normal 12 -56 16 -56
LINE Normal 14 -60 16 -56
LINE Normal -176 144 -106 144
RECTANGLE Normal 96 160 -240 -112
RECTANGLE Normal -10 -15 -49 -80
RECTANGLE Normal -32 53 -141 -3
RECTANGLE Normal -4 120 -78 71
CIRCLE Normal -56 -34 -49 -26
ARC Normal -97 -80 -66 -48 -82 -48 -82 -80
TEXT -49 -64 Left 2 S
TEXT -10 -64 Right 2 Q
TEXT -47 -30 Left 2 R
TEXT -138 13 Left 2 Ipk
TEXT -42 84 Center 2 1.25V
TEXT -42 106 Center 2 Ref
TEXT -138 36 Left 2 Osc
TEXT -65 16 Left 2 C
TEXT -51 24 Left 2 T
WINDOW 0 -95 -128 Left 2
WINDOW 3 -170 177 Left 2
SYMATTR Value MC34063/NJM2360
SYMATTR Value2 MC34063
SYMATTR SpiceModel MC34063.lib
SYMATTR Prefix X
SYMATTR Description Switching regulator
PIN 96 -96 RIGHT 8
PINATTR PinName SWC
PINATTR SpiceOrder 1
PIN 96 -16 RIGHT 8
PINATTR PinName SWE
PINATTR SpiceOrder 2
PIN 96 64 RIGHT 8
PINATTR PinName Ct
PINATTR SpiceOrder 3
PIN 96 144 RIGHT 8
PINATTR PinName GND
PINATTR SpiceOrder 4
PIN -240 144 LEFT 8
PINATTR PinName Cinv
PINATTR SpiceOrder 5
PIN -240 64 LEFT 8
PINATTR PinName Vcc
PINATTR SpiceOrder 6
PIN -240 -16 LEFT 8
PINATTR PinName Isns
PINATTR SpiceOrder 7
PIN -240 -96 LEFT 8
PINATTR PinName DRC
PINATTR SpiceOrder 8

 

EEVBlogの回路図を参考に編集しました。