IRF3808 datasheet(6/9 Pages) KERSEMI

部件名	IRF3808

功能描述	Integrated Starter Alternator

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制造商	KERSEMI [Kersemi Electronic Co., Ltd.]

网页	http://www.kersemi.com

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6 / 9 page

QG

QGS

QGD

VG

Charge

D.U.T.

VDS

ID

IG

3mA

VGS

.3

µF

50K

Ω

.2

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

tp

V (B R)DSS

I AS

R G

IAS

0.01

Ω

tp

D.U.T

L

V DS

+

-

VDD

DRIV E R

A

15 V

20V

Fig 14. Threshold Voltage Vs. Temperature

-75 -50 -25

0

25

50

75 100 125 150 175 200

TJ , Temperature ( °C )

1.0

1.5

2.0

2.5

3.0

3.5

ID = 250µA

25

50

75

100

125

150

0

160

320

480

640

800

Starting Tj, Junction Temperature

( C)

°

ID

TOP

BOTTOM

34A

58A

82A

IRF3808

2014-8-10

6

www.kersemi.com

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