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P-channel typical characteristics –continued, Test circuits, C c apa cit a nc e ( pf) -v – Diodes ZXMHC3F381N8 User Manual

Page 9: Drain - source voltage (v)

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ZXMHC3F381N8

Issue 1.0 - March 2009 9

© Diodes Incorporated

www.diodes.com

P-channel typical characteristics –continued

1

10

0

200

400

600

800

1000

C

RSS

C

OSS

C

ISS

V

GS

= 0V

f = 1MHz

C C

apa

cit

a

nc

e (

pF)

-V

DS

- Drain - Source Voltage (V)

0

5

10

15

0

1

2

3

4

5

6

7

8

9

10

I

D

= 5A

V

DS

= 15V

Gate-Source Voltage v Gate Charge

Capacitance v Drain-Source Voltage

Q - Charge (nC)

-V

GS

G

a

te-

S

ourc

e

V

ol

ta

ge (

V

)

Test circuits

Current

regulator

Charge

Gate charge test circuit

Switching time test circuit

Basic gate charge waveform

Switching time waveforms

D.U.T

50k

0.2

␮F

12V

Same as

D.U.T

V

GS

V

GS

V

DS

V

G

Q

GS

Q

GD

Q

G

V

GS

90%

10%

t

(on)

t

(on)

t

d(on)

t

r

t

r

t

d(off)

V

DS

V

DD

R

D

R

G

Pulse width

Ͻ 1␮S

Duty factor 0.1%

V

DS

I

D

I

G