ZTL431 ZETEX [Zetex Semiconductors], ZTL431 Datasheet
ZTL431
Manufacturer Part Number
ZTL431
Description
Cost effective adjustable precision shunt regulator
Manufacturer
ZETEX [Zetex Semiconductors]
Datasheet
1.ZTL431.pdf
(12 pages)
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ZTL431, ZTL432
Cost effective adjustable precision shunt regulator
Description
The ZTL431 and ZTL432 are three terminal
adjustable shunt regulators offering excellent
temperature stability and output current
handling capability up to 100mA. The output
voltage may be set to any chosen voltage
between 2.5 and 20 volts by selection of two
external divider resistors.
The devices can be used as a replacement for
zener diodes in many applications requiring an
improvement in zener performance.
Features
•
•
•
•
•
•
Pin connections
Issue 8 - April 2007
© Zetex Semiconductors plc 2007
Cathode
Temperature range ................ -40 to 125°C
Reference voltage tolerance at 25°C
Low output noise
0.2 typical output impedance
Sink current capability ...... 1mA to 100mA
Adjustable output voltage ...... V
Ref
ZTL431_FF SOT23F
•
•
ZTL431_F SOT23
0.5% ..................................... B grade
1% ......................................... A grade
1
2
(top view)
3 Anode
Cathode
ZTL432_FF SOT23F
Ref
ZTL432_F SOT23
REF
1
2
(top view)
to 20V
3
1
Anode
The ZTL432 has the same electrical specifications
as the ZTL431 but has a different pin out in
SOT23 (F-suffix) and SOT23F (FF-suffix).
Both variants are available in 2 grades with
initial tolerances of 1% and 0.5% for the A and
B grades respectively.
These are functionally equivalent to the TL431/
TL432 except for maximum operation voltage,
and have an ambient temperature range of -40
to 125°C as standard.
Applications
•
•
•
•
Opto-coupler linearization
Linear regulators
Improved zener
Variable reference
Cathode
REF
ZTL431_H6 SC70-6
*
1
2
3
(top view)
6
5
4
*
NC
Anode
www.zetex.com
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