BUZ11_NR4941 データシートの表示（PDF） - Fairchild Semiconductor

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BUZ11_NR4941

N-Channel Power MOSFET 50V, 30A, 40 mΩ

Fairchild Semiconductor 

BUZ11

Typical Performance Curves Unless Otherwise Specified (Continued)

103 PULSE DURATION = 80µs

DUTY CYCLE = 0.5% MAX

102

TJ = 25oC

TJ = 150oC

15

ID = 45A

10

101

5

100

VDS = 10V

VDS = 40V

10-1

0

0.5

1.0

1.5

2.0

2.5

3.0

VSD, SOURCE TO DRAIN VOLTAGE (V)

FIGURE 12. SOURCE TO DRAIN DIODE VOLTAGE

0

0

10

20

30

40

50

Qg, GATE CHARGE (nC)

FIGURE 13. GATE TO SOURCE VOLTAGE vs GATE CHARGE

Test Circuits and Waveforms

RL

+

RG

VDD

-

DUT

VGS

FIGURE 14. SWITCHING TIME TEST CIRCUIT

CURRENT

REGULATOR

VDS

(ISOLATED

SUPPLY)

12V

BATTERY

0.2µF 50kΩ

0.3µF

SAME TYPE

AS DUT

D

G

DUT

Ig(REF)

0

S

VDS

IG CURRENT

SAMPLING

ID CURRENT

SAMPLING

RESISTOR

RESISTOR

FIGURE 16. GATE CHARGE TEST CIRCUIT

VDS

tON

td(ON)

tr

90%

tOFF

td(OFF)

tf

90%

10%

0

VGS

10%

0

50%

PULSE WIDTH

10%

90%

50%

FIGURE 15. RESISTIVE SWITCHING WAVEFORMS

VDD

Qgs

Qg(TOT)

Qgd

VGS

VDS

0

Ig(REF)

0

FIGURE 17. GATE CHARGE WAVEFORMS

©2001 Fairchild Semiconductor Corporation

BUZ11 Rev. C0

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