Diodes ZHT431 - Manual (Page 5)

ZHT431
ZHT431
Document number: DS32157 Rev. 11 - 2
5 of 8
www.diodes.com
November 2010
© Diodes Incorporated
A Product Line of
Diodes Incorporated
DC Test Circuits
Input Input Input
Fig 1 - Test circuit for V
Z
= V
ref
Fig 2 - Test circuit for V
Z
> V
ref
Fig 3 - Test circuit for
Off state current †
V
Z
I
Z
I
Z
I
ref
I
ref
V
ref
V
ref
R1
R2
I
L
I
L
I
ZOFF
V
Z
V
Z