IRF4905PbF L 2500 VDS J) ID TOP -16A (m -27A R gy G D.U.T V BOTTOM -38A DD 2000 ner IAS A DRIVER -20V t 0.01Ω he E p 1500 anc al lse Av 1000 15V Fig 12a. Unclamped Inductive Test Circuit ingle Pu 500 S , AS E 0 A I 25 50 75 100 125 150 175 AS J Starting T , Junction Temperature (°C) Fig 12c. Maximum Avalanche Energy Vs. Drain Current tp V(BR)DSS Fig 12b. Unclamped Inductive Waveforms Current Regulator Same Type as D.U.T. 50KΩ QG .2µF 12V -10V .3µF - Q V GS QGD D.U.T. + DS VGS VG -3mA I I G D Charge Current Sampling Resistors Fig 13a. Basic Gate Charge Waveform Fig 13b. Gate Charge Test Circuit