LTspice - el.gunma-u.ac.jp

1 LTspice Copyright 2014 Linear Technology. All rights reserved. FAE 2 LTspice IV 3 LTspice .. 5. 6. LTspice Yahoo! 8. 9. 10. 11. 12. 13. 14. 15. 16. RMS 17. 19. 20. 22. SPICE 23. 44 LTspice SPICE 1100 LTC LTspice 5 LTspice IV 6 LTspice IV 7 LTspice IV LTspice WEB Download LTspice IV PC 88 LTspice .

2 (JIG) 3. LTspice Yahoo! LTspice IC C: Program Files LTC SwCADIII examples EducationalLTspice 99 WEB 1010 .. PCB WEB - - LTspice 1111 File New Schematic LTspice 1212 - - Edit Component F2 LTspice 1313 - - 1. 3412A 2. Open this macromodel s test fixture 3412A LTspice 1414 - - PCB LTspice 15 LTspice Yahoo!

3 URL 2014 5 49,400 LTspice 1616 LTspice Place Circuit ElementPlace DiodePlace InductorPlace CapacitorPlace ResistorLabel NodePlace GroundDraw WireMoveDragUndoRedoRotateMirrorPlace CommentPlace SPICE directiveDeleteDuplicatePaste b/t SchematicsFindZoom InPanZoom OutAutoscaleLTspice 1717 LTspice - - K = k = kilo = 103 MEG = meg = 106 G = g = giga = 109 T = t = tera = 1012 M = m = milli = 10-3 U = u = micro = 10-6 N = n = nano = 10-9 P = p = pico = 10-12 F = f = femto = 10-15 106 M MEG( meg) 1 1F 1 LTspice 1818 LTspice - - RC New Schematic Component voltage OK LTspice 1919 LTspice - - Wire RC Label Net LTspice 2020 LTspice - - LTspice 2121 LTspice - - MOSFET JFET LTspice LTspice 212323 RUN

4 60ms OK OUT RunLTspice 2424 - - IN LTspice 2525 - - Plot Settings Add Plot Pane V(in) LTspice step26 LTspice 1. 2. R, C, L 1 2 26 LTspice 2727 LTspice Training Files LTC3412A RUN Run : Simulate Pause LTspice 2828 - - IN OUT LTspice 2929 L1 L1 Zoom full extents LTspice 3030 1.

5 2. dx dy 3. undo LTspice 3131 - -1. 2. Attached Cursor 1st& 2nd 3. 3232 2 :LTC3412A LTspice 3333 - - MarkReference LTspice 3434 ALT :LTC3412A 3 LTspice 3535 RMS RMS L1 10 20 I(L1) CTRL + RMS.

6 LTC3412A RMS LTspice 3636 LTC3412A Alt + W CTRL + IC J :LTC3412A LTspice 3737 BOM View Bill of Material Show on Schematic Paste to Clipboard Excel LTspice 3838 Edit Simulation Command Stop simulating if steady stateis detected Run LTspice 3939 - - View Efficiency Report Show on Schematic Paste to Clipboard Excel LTspice 40 LTspice 4141 - - DC LTC3412A Pulse OK

7 LTspice 4242 - - Run Vout OUT Iout LTspice 4343 AC DC AC RC 1 Syntax: .ac <oct, dec, lin> <Nsteps> <StartFreq> <EndFreq> 10mHz 1 MHz 10 100 -3dB point:1/(2 RC) = 159Hz .tran AC Analysis .ac dec 100 .01 1 MEGLT spice 4444AC - - LTspice 4545 SPICE 1. WEB SPICE 2. LTspice 3. SPICE LTspice ( EDIT SPICE Directive ).include SPICE LTspice :SPICE SPICE.

8 Include SPICE SPICE LTspice 4646 SPICE - - 1..include SPICE 2. SPICE LTspice LTspice 4747 SPICE - -Spice 1 = = 1N5244B1 Spice 2 = = Everest : LTspice .include SPICE LTspice 4848 SPICE - - 2. Zener Import 3. SPICE 4. 1N5244B SPICE 5. IN OUT LTspice 4949 SPICE - - 1N5244B1.

9 Include SPICE Edit Spice Directive SPICE 3. Run IN OUT LTspice 50 / e f g h LTspice 51 Vout V1 2 V1 sin 1 1kHz LTspice 52 LTspice / 53 / - - LTspice 54 LTspice 55 LTspice 56 Pout Pin Eff Pout Pin ripple Peak-to-Peak Error Log Measurement Seminar_LT1934_MEAS_PPLT spice 57 SPICE .ic 12V Vc 1618 ic 58 - - 3ms 1618 delay load 59 - - 1778 Soft start 60 - - Time to start saving data LTspice Time to start saving data : 10ms 1ms 32 27 1618 start save 61 - - SPICE.

10 Save Vout 26 1618 dot save