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IRU431ALCL5

Description
LOW -VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATOR
CategoryPower/power management    The power supply circuit   
File Size44KB,6 Pages
ManufacturerInternational Rectifier ( Infineon )
Websitehttp://www.irf.com/
Download Datasheet Parametric Compare View All

IRU431ALCL5 Overview

LOW -VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATOR

IRU431ALCL5 Parametric

Parameter NameAttribute value
Is it Rohs certified?incompatible
MakerInternational Rectifier ( Infineon )
Parts packaging codeSOT-23
package instructionLSSOP, TSOP5/6,.11,37
Contacts5
Reach Compliance Codecompli
ECCN codeEAR99
Other featuresADJUSTABLE OUTPUT FROM 1.24V TO 15V
Analog Integrated Circuits - Other TypesTWO TERMINAL VOLTAGE REFERENCE
JESD-30 codeR-PDSO-G5
JESD-609 codee0
length2.9 mm
Humidity sensitivity level2
Number of functions1
Output times1
Number of terminals5
Maximum operating temperature70 °C
Minimum operating temperature
Maximum output current0.015 A
Maximum output voltage1.252 V
Minimum output voltage1.228 V
Nominal output voltage1.24 V
Package body materialPLASTIC/EPOXY
encapsulated codeLSSOP
Encapsulate equivalent codeTSOP5/6,.11,37
Package shapeRECTANGULAR
Package formSMALL OUTLINE, LOW PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)NOT SPECIFIED
Certification statusNot Qualified
Maximum seat height1.45 mm
surface mountYES
technologyBIPOLAR
Maximum voltage temperature coefficient138.249 ppm/°C
Temperature levelCOMMERCIAL
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formGULL WING
Terminal pitch0.95 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
Fine-tuning/adjustable outputYES
width1.625 mm
Data Sheet No. PD94118
IRU431L / IRU431AL
LOW -VOLTAGE ADJUSTABLE PRECISION
SHUNT REGULATOR
DESCRIPTION
The IRU431L family are three-terminal adjustable shunt
regulators that can also be used as precision voltage
references. Its output voltage may be set to any value
between V
REF
(1.24V) and 15V with two external resis-
tors as shown in the typical application circuit. Other
applications of this device include being used as a
merged amplifier and reference in applications such as
a linear regulator or as the secondary side controller in
low voltage power supply applications. The IRU431L only
requires 80mA maximum quiescent current before regu-
lating, making it ideal as a voltage reference for battery
type applications. The IRU431L has
61%
initial accu-
racy while IRU431AL provides
60.5%
initial accuracy.
FEATURES
SOT-23 Packages
Voltage Reference Initial Accuracy
(1% for IRU431L and 0.5% for IRU431AL)
Low Operating Cathode Current
(80mA max)
Unconditionally Stable with only 1mF
Adjustable Output from 1.24V to 15V
0.25V Typical Output Impedance
Pin to Pin Compatible with TLV431
APPLICATIONS
Precision Voltage Reference
Linear Regulator Controller
Secondary Side Controller for the low voltage
power supply applications
TYPICAL APPLICATION
V
IN
R
B
R1
V
OUT
IRU431L
Vo = V
REF
3o
1 +
o
R1
p
R2
Co
R2
Figure 1 - Typical application of the IRU431L as a shunt regulator / voltage reference.
PACKAGE ORDER INFORMATION
T
A
(°C)
0 To 70
0 To 70
5-PIN SOT-23 (L5)
IRU431LCL5
IRU431ALCL5
3-PIN SOT-23 (L3)
IRU431LCL3
IRU431ALCL3
Rev. 1.8
02/20/02
www.irf.com
1

IRU431ALCL5 Related Products

IRU431ALCL5 IRU431AL IRU431ALCL3 IRU431L IRU431LCL3 IRU431LCL5
Description LOW -VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATOR LOW -VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATOR LOW -VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATOR LOW -VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATOR LOW -VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATOR LOW -VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATOR
Is it Rohs certified? incompatible - incompatible - incompatible incompatible
Maker International Rectifier ( Infineon ) - International Rectifier ( Infineon ) - International Rectifier ( Infineon ) International Rectifier ( Infineon )
Parts packaging code SOT-23 - SOT-23 - SOT-23 SOT-23
package instruction LSSOP, TSOP5/6,.11,37 - LSOP, TO-236 - LSSOP, TO-236 LSSOP, TSOP5/6,.11,37
Contacts 5 - 3 - 3 5
Reach Compliance Code compli - compli - unknow compli
ECCN code EAR99 - EAR99 - EAR99 EAR99
Other features ADJUSTABLE OUTPUT FROM 1.24V TO 15V - ADJUSTABLE OUTPUT FROM 1.24V TO 15V - ADJUSTABLE OUTPUT FROM 1.24V TO 15V ADJUSTABLE OUTPUT FROM 1.24V TO 15V
Analog Integrated Circuits - Other Types TWO TERMINAL VOLTAGE REFERENCE - TWO TERMINAL VOLTAGE REFERENCE - TWO TERMINAL VOLTAGE REFERENCE TWO TERMINAL VOLTAGE REFERENCE
JESD-30 code R-PDSO-G5 - R-PDSO-G3 - R-PDSO-G3 R-PDSO-G5
JESD-609 code e0 - e0 - e0 e0
length 2.9 mm - 2.92 mm - 2.92 mm 2.9 mm
Humidity sensitivity level 2 - 1 - 1 2
Number of functions 1 - 1 - 1 1
Output times 1 - 1 - 1 1
Number of terminals 5 - 3 - 3 5
Maximum operating temperature 70 °C - 70 °C - 70 °C 70 °C
Maximum output current 0.015 A - 0.015 A - 0.015 A 0.015 A
Maximum output voltage 1.252 V - 1.252 V - 1.259 V 1.259 V
Minimum output voltage 1.228 V - 1.228 V - 1.221 V 1.221 V
Nominal output voltage 1.24 V - 1.24 V - 1.24 V 1.24 V
Package body material PLASTIC/EPOXY - PLASTIC/EPOXY - PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code LSSOP - LSOP - LSSOP LSSOP
Encapsulate equivalent code TSOP5/6,.11,37 - TO-236 - TO-236 TSOP5/6,.11,37
Package shape RECTANGULAR - RECTANGULAR - RECTANGULAR RECTANGULAR
Package form SMALL OUTLINE, LOW PROFILE, SHRINK PITCH - SMALL OUTLINE, LOW PROFILE - SMALL OUTLINE, LOW PROFILE, SHRINK PITCH SMALL OUTLINE, LOW PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius) NOT SPECIFIED - NOT SPECIFIED - 245 NOT SPECIFIED
Certification status Not Qualified - Not Qualified - Not Qualified Not Qualified
Maximum seat height 1.45 mm - 1.22 mm - 1.22 mm 1.45 mm
surface mount YES - YES - YES YES
technology BIPOLAR - BIPOLAR - BIPOLAR BIPOLAR
Maximum voltage temperature coefficient 138.249 ppm/°C - 138.249 ppm/°C - 138.249 ppm/°C 138.249 ppm/°C
Temperature level COMMERCIAL - COMMERCIAL - COMMERCIAL COMMERCIAL
Terminal surface Tin/Lead (Sn/Pb) - Tin/Lead (Sn/Pb) - Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb)
Terminal form GULL WING - GULL WING - GULL WING GULL WING
Terminal pitch 0.95 mm - 0.95 mm - 0.95 mm 0.95 mm
Terminal location DUAL - DUAL - DUAL DUAL
Maximum time at peak reflow temperature NOT SPECIFIED - NOT SPECIFIED - 30 NOT SPECIFIED
Fine-tuning/adjustable output YES - YES - YES YES
width 1.625 mm - 1.3 mm - 1.3 mm 1.625 mm
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