JANSR2N7402 Ver la hoja de datos (PDF) - Intersil

Número de pieza

componentes Descripción

Fabricante

JANSR2N7402

3A, 500V, 2.70 Ohm, Rad Hard, N-Channel Power MOSFET

Intersil 

JANSR2N7402

Typical Performance Curves Unless Otherwise Specified (Continued)

10

STARTING TJ = 25oC

STARTING TJ = 150oC

1

IF R = 0

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

IF R ≠ 0

tAV = (L/R) ln [(IAS*R) /

(1.3 RATED BVDSS - VDD) + 1]

0.1

0.01

0.1

1

10

tAV, TIME IN AVALANCHE (ms)

FIGURE 8. UNCLAMPED INDUCTIVE SWITCHING

Test Circuits and Waveforms

ELECTRONIC SWITCH OPENS

WHEN IAS IS REACHED

VDS

L

CURRENT

TRANSFORMER

+

IAS

-

VARY tP TO OBTAIN

REQUIRED PEAK IAS

50Ω

VGS ≤ 20V

tP

50Ω

0V

DUT

+

VDD

-

50V -150V

tP

IAS

BVDSS

tAV

VDS

VDD

FIGURE 9. UNCLAMPED ENERGY TEST CIRCUIT

FIGURE 10. UNCLAMPED ENERGY WAVEFORMS

VGS = 12V

0V

VDD

RGS

RL

VDS

DUT

FIGURE 11. RESISTIVE SWITCHING TEST CIRCUIT

VDS

tON

td(ON)

tr

90%

tOFF

td(OFF)

tf

90%

10%

10%

VGS

10%

50%

PULSE WIDTH

90%

50%

FIGURE 12. RESISTIVE SWITCHING WAVEFORMS

2-68

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