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ZR431LF02

Description
ADJUSTABLE PRECISION ZENER SHUNT REGULATOR
CategoryPower/power management    The power supply circuit   
File Size155KB,7 Pages
ManufacturerZetex Semiconductors
Websitehttp://www.zetex.com/
Environmental Compliance
Download Datasheet Parametric View All

ZR431LF02 Overview

ADJUSTABLE PRECISION ZENER SHUNT REGULATOR

ZR431LF02 Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
MakerZetex Semiconductors
Objectid1494223820
package instructionSOT-23, 3 PIN
Reach Compliance Code_compli
ECCN codeEAR99
compound_id11468282
JESD-30 codeR-PDSO-G3
JESD-609 codee3
length2.86 mm
Humidity sensitivity level1
Number of functions1
Number of terminals3
Working temperatureTJ-Max150 °C
Maximum output current 10.025 A
Maximum output voltage 110 V
Minimum output voltage 11.24 V
Package body materialPLASTIC/EPOXY
encapsulated codeTSOP
Package shapeRECTANGULAR
Package formSMALL OUTLINE, THIN PROFILE
Peak Reflow Temperature (Celsius)260
Certification statusNot Qualified
Regulator typeADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR
Maximum seat height1.1 mm
surface mountYES
Terminal surfaceMATTE TIN
Terminal formGULL WING
Terminal pitch0.95 mm
Terminal locationDUAL
Maximum time at peak reflow temperature40
width1.3 mm
ADJUSTABLE PRECISION
ZENER SHUNT REGULATOR
Issue 1 - NOVEMBER 1998
DEVICE DESCRIPTION
The ZR431L 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 nt
temperature stability and output current
handling capability up to 25mA. The output
voltage may be set to any chosen voltage
between 1.24 and 10 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 ov e me nt i n z e n e r
performance.
The ZR431L is particularly used in the
feedback control loop of switch mode power
supplies. In this application the device 1.24
volt reference enables the generation of low
voltage supplies, typically 3.3 volts or 3 volts.
ZR431L
FEATURES
Surface mount SOT23 package
TO92 package
2.5% and 1% tolerance
Maximum temperature coefficient 50
ppm/°C
Temperature compensated for
operation over the full temperature
range
Programmable output voltage
100µA to 25mA current sink capability
Low output noise
APPLICATIONS
Shunt regulator
Series regulator
Voltage monitor
Over voltage/ under voltage protection
Switch mode power supplies
SCHEMATIC DIAGRAM
V
Z
V
ref
G
nd
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