IRFL4105PBF

www.irf.com

5

Charge

+

-

10V

Pulse Width

≤ 1 µs

Duty Factor

≤ 0.1 %

D.U.T.

D.U.T.

3mA

.3

µF

50K

Ω

.2

µF

12V

Current Regulator

Same Type as D.U.T.

Current Sampling Resistors

+

-

90%

10%

Fig 10b. Switching Time Waveforms

Fig 10a. Switching Time Test Circuit

Fig 9a. Basic Gate Charge Waveform

Fig 9b. Gate Charge Test Circuit

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

0.01

0.1

1

10

100

1000

0.00001

0.0001

0.001

0.01

0.1

1

10

100

1000

10000

t , Rectangular Pulse Duration (sec)

1

D = 0.50

0.01

0.02

0.05

0.10

0.20

SINGLE PULSE

(THERMAL RESPONSE)

A

P

t

2

1

t

DM

Notes:

1. Duty factor D = t

/ t

2. Peak T = P

x Z

+ T

1

2

J

DM

thJA

A

10V