IRHN4450 Ver la hoja de datos (PDF) - International Rectifier

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IRHN4450

RADIATION HARDENED POWER MOSFET SURFACE MOUNT (SMD-1)

International Rectifier 

Pre-Irradiation

IRHN7450, IRHN8450, JANSR-, JANSH-, 2N7270U Devices

15V

VDS

L

D R IV E R

RG

12 20 VV

tp

D .U .T

IA S

0 .0 1Ω

+

- VD D

A

Fig 29a. Unclamped Inductive Test Circuit

V(BR)DSS

tp

Fig 29c. Maximum Avalanche Energy

Vs. Drain Current

IAS

Fig 29b. Unclamped Inductive Waveforms

QG

12 V

QGS

QGD

VG

Charge

Fig30a. Basic Gate Charge Waveform

www.irf.com

Current Regulator

Same Type as D.U.T.

50KΩ

12V

.2µF

.3µF

+

D.U.T. -VDS

VGS

3mA

IG

ID

Current Sampling Resistors

Fig 30b. Gate Charge Test Circuit

11

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