IRF7240 查看數據表（PDF） - International Rectifier

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IRF7240

HEXFET® Power MOSFET

International Rectifier 

IRF7240

0.035

0.025

0.030

0.025

0.020

VGS = -4.5V

0.020

0.015

ID = -10.5A

0.010

0.0

4.0

8.0

12.0

16.0

-VGS, Gate -to -Source Voltage (V)

Fig 12. Typical On-Resistance Vs.

Gate Voltage

0.015

0.010

0

VGS = -10V

10

20

30

40

50

-ID , Drain Current (A)

Fig 13. Typical On-Resistance Vs.

Drain Current

QGS

VG

QG

QGD

Charge

Fig 14a. Basic Gate Charge Waveform

6

Current Regulator

Same Type as D.U.T.

50KΩ

12V

.2µF

.3µF

D.U.T.

-

+VDS

VGS

-3mA

IG

ID

Current Sampling Resistors

Fig 14b. Gate Charge Test Circuit

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