Diodes ZHT431 - Manual (Page 6)

ZHT431
ZHT431
Document number: DS32157 Rev. 11 - 2
6 of 8
www.diodes.com
November 2010
© Diodes Incorporated
A Product Line of
Diodes Incorporated
Application Circuits
R2
Vout = 1 +
R1
R2
Vref
V+
Vout
R1
30 Ω
0.01µF
Vref
Vout = 1 +
R1
R2
Vref
Vout = Vref + Vreg
M IN
R2
R1
+ Vout
Vref
ZSR***
In Out
Common
R2
R1
V+Vout
Vout =
Vref
1 +
R1
R2
Vref
V+
Output
Input
V = 2.5V
T H
V 2V
o n
V = V+
o ff
R2A
R1A
V+
Vref
R2B
R1B
Vref
1 +
R1B
R2B
Vref Low limit =
High limit = 1 +
R1A
R2A
Vref
R2
R1
Vout =
Vref
1 +
R1
R2
Vref
V+Vout
Output
Higher current shunt regulator Shunt regulator
Series regulator
Output control of a
three terminal fixed regulator
Single supply comparator
with temperature
compensated threshold Over voltage / under voltage
protection circuit