5

FIGURE 8. UNCLAMPED INDUCTIVE SWITCHING

10

1

110

40

0.1

0.01

IF R = 0

IF R

≠ 0

tAV = (L/R) ln [(IAS*R) / (1.3 RATED BVDSS - VDD) + 1]

tAV = (L) (IAS) / (1.3 RATED BVDSS - VDD)

Test Circuits and Waveforms

FIGURE 9. UNCLAMPED ENERGY TEST CIRCUIT

FIGURE 10. UNCLAMPED ENERGY WAVEFORMS

FIGURE 11. RESISTIVE SWITCHING TEST CIRCUIT

FIGURE 12. RESISTIVE SWITCHING WAVEFORMS

L

+

-

DUT

0V

50

Ω

50

Ω

50V-150V

+

-

ELECTRONIC SWITCH OPENS

CURRENT

TRANSFORMER

DUT

0V

90%

10%

90%

10%

90%

50%

50%

10%

PULSE WIDTH

JANSR2N7440