IRF840AS datasheet(6/10 Pages) IRF

No de pièce	IRF840AS

Description	Power MOSFET(Vdss=500V, Rds(on)max=0.85ohm, Id=8.0A)

PDF	10 Pages

Scroll/Zoom	100%

Fabricant	IRF [International Rectifier]

Site Internet	http://www.irf.com

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6 / 10 page

IRF840AS/L

www.irf.com

QGS

QGD

Charge

D.U.T.

VDS

3mA

VGS

µF

50K

Ω

µF

12V

Current Regulator

Same Type as D.U.T.

Current Sampling Resistors

10 V

Fig 13b. Gate Charge Test Circuit

Fig 13a. Basic Gate Charge Waveform

Fig 12c. Maximum Avalanche Energy

Vs. Drain Current

Fig 12b. Unclamped Inductive Waveforms

Fig 12a. Unclamped Inductive Test Circuit

V (B R)DSS

I AS

R G

IAS

0.01

Ω

D.U.T

V DS

VDD

DRIV E R

15 V

20V

Fig 12d. Typical Drain-to-Source Voltage

Vs. Avalanche Current

0.0

1.0

2.0

3.0

4.0

5.0

6.0

IAV , Avalanche Current ( A)

540

550

560

570

580

590

600

610

100

125

150

200

400

600

800

1000

1200

Starting T , Junction Temperature ( C)

TOP

BOTTOM

3.6A

5.1A

8.0A

0.0

1.0

2.0

3.0

4.0

5.0

6.0

7.0

8.0

IAV , Avalanche Current ( A)

520

540

560

580

600

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