IRFL4105 View Datasheet(PDF) - Kersemi Electronic Co., Ltd.

Part Name

Description

View to exact match

IRFL4105

Power MOSFET

Kersemi Electronic Co., Ltd. 

IRFL4105

10V

QGS

VG

QG

QGD

Charge

Fig 9a. Basic Gate Charge Waveform

Current Regulator

Same Type as D.U.T.

50KΩ

12V

.2µF

.3µF

D.U.T.

+

-VDS

VGS

3mA

IG

ID

Current Sampling Resistors

Fig 9b. Gate Charge Test Circuit

1000

VDS

VGS

RG

RD

D.U.T.

10V

Pulse Width ≤ 1 µs

Duty Factor ≤ 0.1 %

+

-

VDD

Fig 10a. Switching Time Test Circuit

VDS

90%

10%

VGS

td(on) tr

td(off) tf

Fig 10b. Switching Time Waveforms

100

D = 0.50

0 .2 0

10

0.10

0 .0 5

0.02

0 .0 1

1

PD M

0.1

S IN G L E P U L S E

(THERMAL RESPONSE)

0.01

0.00001

0.0001

0.001

t1

t2

N otes:

1. Duty factor D = t1 / t 2

2. Peak TJ = PD M x Z thJA + T A

0.01

0.1

1

10

100

1000

t1 , Rectangular Pulse Duration (sec)

Fig 11. Maximum Effective Transient Thermal Impedance, Junction-to-Ambient

A

10000

2014-8-9

5

www.kersemi.com

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