IRF7757 Ver la hoja de datos (PDF) - International Rectifier

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IRF7757

HEXFET® Power MOSFET

International Rectifier 

IRF7757

0.05

0.04

ID = 4.8A

0.03

0.050

0.040

0.030

VGS = 2.5V

VGS = 4.5V

0.02

2.0

3.0

4.0

5.0

6.0

7.0

8.0

VGS, Gate -to -Source Voltage (V)

Fig 12. Typical On-Resistance Vs. Gate

Voltage

0.020

0

5

10

15

20

ID , Drain Current (A)

Fig 13. Typical On-Resistance Vs. Drain

Current

VGS

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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