* DIODES INCORPORATED AND ITS AFFILIATED COMPANIES AND SUBSIDIARIES (COLLECTIVELY, "DIODES") * PROVIDE THESE SPICE MODELS AND DATA (COLLECTIVELY, THE "SM DATA") "AS IS" AND WITHOUT ANY * REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, INCLUDING ANY WARRANTY OF MERCHANTABILITY * OR FITNESS FOR A PARTICULAR PURPOSE, ANY WARRANTY ARISING FROM COURSE OF DEALING OR COURSE OF * PERFORMANCE, OR ANY WARRANTY THAT ACCESS TO OR OPERATION OF THE SM DATA WILL BE UNINTERRUPTED, * OR THAT THE SM DATA OR ANY SIMULATION USING THE SM DATA WILL BE ERROR FREE. TO THE MAXIMUM * EXTENT PERMITTED BY LAW, IN NO EVENT WILL DIODES BE LIABLE FOR ANY DIRECT OR INDIRECT, * SPECIAL, INCIDENTAL, PUNITIVE OR CONSEQUENTIAL DAMAGES ARISING OUT OF OR IN CONNECTION WITH * THE PRODUCTION OR USE OF SM DATA, HOWEVER CAUSED AND UNDER WHATEVER CAUSE OF ACTION OR THEORY * OF LIABILITY BROUGHT (INCLUDING, WITHOUT LIMITATION, UNDER ANY CONTRACT, NEGLIGENCE OR OTHER * TORT THEORY OF LIABILITY), EVEN IF DIODES HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES, * AND DIODES' TOTAL LIABILITY (WHETHER IN CONTRACT, TORT OR OTHERWISE) WITH REGARD TO THE SM * DATA WILL NOT, IN THE AGGREGATE, EXCEED ANY SUMS PAID BY YOU TO DIODES FOR THE SM DATA. *ZETEX ZHT431 Spice Model v1.0 Last Revised 22/7/2005 * *NOTE: This is a simplified Model. Do not rely on this Model for *validation of circuit stability. It does not accurately replicate *stability boundary conditions with additional load capacitance. *Check stability by normal breadboarding techniques. * .SUBCKT ZHT431 1 2 3 *Connections Vz Vref Gnd *Input current L2 2 12 2E-9 Rin 12 13 Rmod1 20E6 Cin 12 13 1E-12 D1 13 12 Dmod D2 12 11 Dmod *Reference voltage, Voltage dependence Iref 13 21 2.4985E-3 Rref 21 13 Rmod2 1000 G1 21 13 11 13 1.43E-6 *Gain, time constant and clamp voltage G2 13 31 12 21 0.004 Rt1 31 13 1E8 Ct1 31 32 800E-12 Rt2 32 13 2000 Ct2 31 33 50E-12 Rt3 33 13 5 D3 31 13 Dmod D4 13 31 Dmod *Buffer,Output G3 13 41 13 31 0.22 L1 1 11 2E-9 Rz 11 42 10 D5 42 41 Dmod D6 13 41 Dmod D7 13 11 Dmod Rx 13 23 0.5 L3 3 23 2E-9 Rq 11 13 Rmod3 74E3 * .MODEL Rmod1 RES (TC1=2.95E-3 TC2=-5E-7) .MODEL Rmod2 RES (TC1=8.5E-6 TC2=-3.3E-7) .MODEL Rmod3 RES (TC1=-2.5E-3 TC2=2E-5) .MODEL Dmod D IS=1E-14 RS=0.1 BV=22 CJO=0.1E-12 .ENDS ZHT431 * *$ *