IRFZ44NPbF 300 15V J) ID m TOP 10A 18A gy ( 240 L DRIVER BOTTOM 25A VDS RG D.U.T + 180 - VDD anche Ener IAS A 20V t 0.01 p Ω 120 se Aval Fig 12a. Unclamped Inductive Test Circuit e Pul ngl 60 V(BR)DSS Si tp E , AS 025 50 75 100 125 150 175 Starting T , Junction Temperature ( C ° ) J Fig 12c. Maximum Avalanche Energy Vs. Drain Current IAS Fig 12b. Unclamped Inductive Waveforms Current Regulator Same Type as D.U.T. 50KΩ .2µF 12V QG .3µF + VGS V D.U.T. DS Q - GS QGD VGS VG 3mA I I G D Charge Current Sampling Resistors Fig 13a. Basic Gate Charge Waveform Fig 13b. Gate Charge Test Circuit 6 www.irf.com