ZR431F01TA Diodes Zetex, ZR431F01TA Datasheet

IC REG ZENER SHUNT 2.5V SOT23-3

ZR431F01TA

Manufacturer Part Number
ZR431F01TA
Description
IC REG ZENER SHUNT 2.5V SOT23-3
Manufacturer
Diodes Zetex
Datasheets

Specifications of ZR431F01TA

Reference Type
Shunt, Adjustable
Voltage - Output
2.5 ~ 20 V
Tolerance
±1%
Temperature Coefficient
55ppm/°C
Number Of Channels
1
Current - Cathode
35µA
Current - Output
100mA
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
SOT-23-3, TO-236-3, Micro3™, SSD3, SST3
Fixed / Adjust / Prog
Adjust
Output Voltage (max)
2.5 to 20V
Reference Voltage Accuracy (max)
1
Input Voltage (max)
20V
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
3
Package Type
SOT-23
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Voltage - Input
-
Current - Quiescent
-
Lead Free Status / Rohs Status
Compliant
Other names
ZR431F01TR

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ADJUSTABLE PRECISION
ZENER SHUNT REGULATOR
ISSUE 5 – DECEMBER 2002
DEVICE DESCRIPTION
The ZR431 is a three terminal adjustable
s h u n t r e g u l a t o r o f f e r i n g e x c e l l e n t
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
r e q u i r i n g a n i m p r o v e m e n t i n z e n e r
performance.
SCHEMATIC DIAGRAM
V
ref
4-189
78
FEATURES
APPLICATIONS
packages
over the full temperature range
Surface mount SOT223 and SOT23
TO92 package
2%, 1 % and 0.5% tolerance
Max. temperature coefficient 55 ppm/°C
Temperature compensated for operation
Programmable output voltage
50 A to 100mA current sink capability
Low output noise
Shunt regulator
Series regulator
Voltage monitor
Over voltage/ under voltage protection
Switch mode power supplies
ZR431
G
V
Z
nd

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ZR431F01TA Summary of contents

Page 1

ADJUSTABLE PRECISION ZENER SHUNT REGULATOR ISSUE 5 – DECEMBER 2002 DEVICE DESCRIPTION The ZR431 is a three terminal adjustable ...

Page 2

ZR431 ABSOLUTE MAXIMUM RATING Cathode Voltage (V ) 20V Z Cathode Current 150mA Operating Temperature -40 to 85°C Storage Temperature -55 to 125°C Recommended Operating Conditions Min Cathode Voltage Vref Cathode Current 50 A 100mA ELECTRICAL CHARACTERISTICS TEST CONDITIONS (Unless ...

Page 3

TYPICAL CHARACTERISTICS 160 V =V ref Z I =10mA Z 150 140 130 120 110 100 -40 - Temperature (°C) Reference Current v Temperature ref ...

Page 4

ZR431 TYPICAL CHARACTERISTICS 100 1k 10k 100k 1M Frequency (Hz) Gain v Frequency 3.0 Repetitive pulse 2.0 Single pulse V Z 1.0 0 5.0 INPUT 0 0 0.2 0.4 0.6 0.8 1.0 Time ( s) Pulse ...

Page 5

APPLICATION CIRCUITS V+ R1 Vref Vref Vout = R2 SHUNT REGULATOR ZSR*** V+ Out In Common Vout = Vref + Vreg MIN R1 Vout = 1 + Vref R2 OUTPUT CONTROL OF A THREE TERMINAL FIXED ...

Page 6

ZR431 DC TEST CIRCUITS I L Input Fig 1 – Test Circuit for ref NOTES Deviation of reference input voltage, V input voltage over the full temperature range. The average temperature coefficient of the reference input voltage, ...

Page 7

CONNECTION DIAGRAMS TO92 Package Suffix – C Bottom View SOT23 Package Suffix – F Top View ORDERING INFORMATION Part Number Package Tol. % ZR431C01 TO92 1.0 ZR431C TO92 2.0 ZR431G01 SOT223 1.0 ZR431G SOT223 2.0 ZR431F005 SOT23 0.5 ZR431F01 SOT23 ...

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