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Typical characteristics - continued, Test circuits, Zxmn20b28k – Diodes ZXMN20B28K User Manual

Page 6: A product line of diodes incorporated, Drain - source voltage (v)

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ZXMN20B28K

Document Number DS31984 Rev. 2 - 2

6 of 8

www.diodes.com

October 2009

© Diodes Incorporated

A Product Line of

Diodes Incorporated

ZXMN20B28K






Typical Characteristics - continued

0.01

0.1

1

10

100

0

200

400

600

800

C

RSS

C

OSS

C

ISS

V

GS

= 0V

f = 1MHz

C Ca

p

a

ci

ta

n

c

e

(p

F

)

V

DS

- Drain - Source Voltage (V)

0

2

4

6

8

10

12

14

0

2

4

6

8

10

V

DS

= 120V

I

D

= 6.5A

Gate-Source Voltage v Gate Charge

Capacitance v Drain-Source Voltage

Q - Charge (nC)

V

GS

G

a

te

-S

o

u

rce

V

o

lt

age

(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

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

V

DS

DD

V

R

D

R

G

V

DS

I

D

I

G

d(off)