********************************************************** * * PSSI2021SAY * * Nexperia * * Constant current source * output current = max 50mA * supply voltage = max 75V * * * * * * Package pinning does not match Spice model pinning. * Package: SOT 353 * * Package Pin 1: not connected 4: external resistor * Package Pin 2: output current 5: supply voltage * Package Pin 3: GND * * * # * Spicemodel does not include temperature dependency * ********************************************************** *# .SUBCKT PSSI2021SAY 1 2 3 4 * Q1 1 22 3 MAIN D1 4 44 DIODE1 D2 44 22 DIODE2 RD2 44 22 5E+09 Rbase 2 22 3.35E+04 Rint 3 4 5.28E+04 * .MODEL MAIN PNP + IS = 4.512E-14 + NF = 1.004 + ISE = 1E-25 + NE = 0.9237 + BF = 120 + IKF = 1.1 + VAF = 104 + NR = 1.002 + ISC = 1.465E-11 + NC = 1.599 + BR = 16.5 + IKR = 5E+04 + VAR = 12.7 + RB = 27 + IRB = 0.00074 + RBM = 1.595 + RE = 0.1 + RC = 0.23 + XTB = 0 + EG = 1.11 + XTI = 3 + CJE = 0 + VJE = 0.75 + MJE = 0.333 + TF = 2E-30 + XTF = 0 + VTF = 1000 + ITF = 0 + PTF = 0 + CJC = 0 + VJC = 0.75 + MJC = 0.333 + XCJC = 1 + TR = 1E-32 + CJS = 0 + VJS = 0.75 + MJS = 0.333 + FC = 0.78 .MODEL DIODE1 D + IS = 1.673E-14 + N = 1.089 + BV = 1000 + IBV = 0.001 + RS = 0.7739 + CJO = 0 + VJ = 1 + M = 0.5 + FC = 0 + TT = 0 + EG = 1.11 + XTI = 3 .MODEL DIODE2 D + IS = 1.12E-14 + N = 1.076 + BV = 1000 + IBV = 0.001 + RS = 0.8848 + CJO = 0 + VJ 1 + M = 0.5 + FC = 0 + TT = 0 + EG = 1.11 + XTI = 3 .ENDS *