ztlv431 Zetex Semiconductors plc., ztlv431 Datasheet

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ztlv431

Manufacturer Part Number
ztlv431
Description
Ztlv431 - 1.24v Cost Effective Shunt Regulator
Manufacturer
Zetex Semiconductors plc.
Datasheet

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ZTLV431
1.24V Cost effective shunt regulator
Description
The ZTLV431 is a three terminal adjustable
shunt regulator offering excellent temperature
stability and output current handling capability
up to 20mA. The output voltage may be set to
any chosen voltage between 1.24 volts and 10
volts by selection of two external divider
resistors.
Features
Ordering information
Issue 7 - April 2008
© Zetex Semiconductors plc 2008
Tol.
1%
Low voltage operation V
Temperature range -40 to 125°C
Reference voltage tolerance at 25°C
Typical temperature drift
100 A minimum cathode current
0.25
Adjustable output voltage 1.24V to 10V
1% ZTLV431A
4 mV (0°C to 70°C)
6 mV (-40°C to 85°C)
11mV (-40°C to 125°C
Order code
ZTLV431AFTA
typical output impedance
Package Part mark
SOT23
REF
= 1.24V
S1A
1
Status
Active
The ZTLV431 can be used as a replacement for
zener diodes in many applications requiring an
improvement in zener performance.
The ZTLV431 is available as standard as an
A grade which has an initial tolerance of 1%
and covers the -40°C to 125°C temperature
range as standard.
Applications
Pin connections
Cathode 2
Opto-coupler linearization
Linear regulators
Improved Zener
Variable reference
ZTLV431_F (SOT23)
Ref
7” (180mm)
Reel size
(inches)
3
(top view)
1 Anode
Tape width
(mm)
8
www.zetex.com
Quantity
per reel
3,000

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ztlv431 Summary of contents

Page 1

... ZTLV431AFTA SOT23 Issue 7 - April 2008 © Zetex Semiconductors plc 2008 The ZTLV431 can be used as a replacement for zener diodes in many applications requiring an improvement in zener performance. The ZTLV431 is available as standard grade which has an initial tolerance of 1% and covers the -40°C to 125°C temperature range as standard ...

Page 2

... KA T operating ambient temperature range A Issue 7 - April 2008 © Zetex Semiconductors plc 2008 10V ) -20 to 20mA KA ) -0.05 to 3mA REF -40 to 150°C -55 to 150° DIS T =25°C A 330 mW 780 mW Min. Max. V REF 0.1 -40 125 2 ZTLV431 Units °C www.zetex.com ...

Page 3

... KA R Issue 7 - April 2008 © Zetex Semiconductors plc 2008 = 10mA unless otherwise stated) KA REF KA Conditions ZTLV431A T = -40 to 85°C ZTLV431A -40 to 125°C ZTLV431A 70° -40 to 85° -40 to 125° from REF ...

Page 4

Typical characteristics 140 130 120 110 100 90 80 -40 -25 - Temperature (°C) Reference Current v Temperature -40 -25 - Temperature (°C) Minimum cathode current vs temperature ...

Page 5

Typical characteristics Frequency (kHz) Open loop gain vs frequency 0.01 0 Load capacitance (nF) Stability boundary conditions Issue 7 - April 2008 ...

Page 6

... Typical characteristics Input ref 47nF V ref Fig 1 - Test circuit for ref Pin connections - preview status devices ZTLV431_FF (SOT23F) (top view) Ref 1 3 Anode Cathode 2 Issue 7 - April 2008 © Zetex Semiconductors plc 2008 Input ref ...

Page 7

... Zetex Semiconductors plc 2008 Inches Dim. Min. Max. - 0.044 e1 0.0004 0.004 E 0.012 0.020 E1 0.003 0.008 L 0.110 0.120 L1 0.037 NOM - 7 ZTLV431 Millimeters Inches Min. Max. Min. 1.90 NOM 0.075 NOM 2.10 2.64 0.083 1.20 1.40 0.047 0.25 0.60 0.0098 0.45 0.62 0.018 - - - www.zetex.com Max. 0.104 0.055 0.0236 0.024 ...

Page 8

... Zetex Semiconductors plc 3701-04 Metroplaza Tower 1 Zetex Technology Park, Chadderton Hing Fong Road, Kwai Fong Oldham, OL9 9LL Hong Kong United Kingdom Telephone: (852) 26100 611 Telephone: (44) 161 622 4444 Fax: (852) 24250 494 Fax: (44) 161 622 4446 asia.sales@zetex.com hq@zetex.com 8 ZTLV431 www.zetex.com ...

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