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ZR431F01TA
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ZR431F01TA数据手册
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ZR431
ADJUSTABLE PRECISION ZENER SHUNT REGULATOR
ZR431
Document number: DS33255 Rev. 6 - 2
1 of 9
www.diodes.com
October 2011
© Diodes Incorporated
ADVANCE INFORMATION
Description
The ZR431 is a three terminal adjustable shunt regulator
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
Surface mount SOT223 and SOT23 packages
2%, 1 % and 0.5% tolerance
Max. temperature coefficient 55 ppm/°C
Temperature compensated for operation
over the full temperature range
Programmable output voltage
50μA to 100mA current sink capability
Low output noise
All package options available in “Green” Molding
Compound (No Br, Sb) and Lead Free Finish/ RoHS
Compliant (Note 1)
Pin Assignments
Applications
Shunt regulator
Series regulator
Voltage monitor
Over voltage/ under voltage protection
Switch mode power supplies
Notes: 1. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied. Please visit our website at
http://www.diodes.com/products/lead_free.html.
Typical Application Circuit
+
V
REF
V
Z
GND
GND
V
REF
V
Z
1
3
2
SOT23
(Top View)
1
2
3
4
V
Z
GND
V
REF
GND
SOT223
Pin 4 floating or
connected to pin 2
(Top View
)

ZR431F01TA 数据手册

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