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| ZTL431 Datasheet, PDF (6/12 Pages) Zetex Semiconductors – Cost effective adjustable precision shunt regulator | |||
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Application cicuits
V+
R1
VREF
VOUT
R2
VOUT
VREF
Shunt regulator
ZSR***
V+
In
Out
VOUT
Common
R1
VREF
R2
VOUT(MIN) = VREF + VREG
VOUT
VREF
Output control of a three
terminal fixed regulator
V+
Input
VTH = 2.5V
Output
VON~ 2V
VOFF = V+
Single supply comparator
with temperature
compensated threshold
ZTL431, ZTL432
V+
R1
VREF
R2
VOUT
VOUT
VREF
Higher current shunt
regulator
V+
30â
0.01â®F
VREF
R1
R2
VOUT
VOUT
VREF
Series regulator
V+
R1
R1
VREF
R2a
R2b
VREF
Output
VREF
VREF
Over voltage / under voltage
protection circuit
Issue 8 - April 2007
6
© Zetex Semiconductors plc 2007
www.zetex.com
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