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AIC431PXTB

Description
Two Terminal Voltage Reference, BIPolar,
CategoryPower/power management    The power supply circuit   
File Size428KB,11 Pages
ManufacturerAIC [Analog Intergrations Corporation]
Environmental Compliance
Download Datasheet Parametric View All

AIC431PXTB Overview

Two Terminal Voltage Reference, BIPolar,

AIC431PXTB Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
MakerAIC [Analog Intergrations Corporation]
package instruction, TO-243
Reach Compliance Codecompliant
Analog Integrated Circuits - Other TypesTWO TERMINAL VOLTAGE REFERENCE
Number of terminals3
Maximum output current0.01 A
Maximum output voltage30 V
Minimum output voltage2.5 V
Package body materialPLASTIC/EPOXY
Encapsulate equivalent codeTO-243
Peak Reflow Temperature (Celsius)NOT SPECIFIED
Certification statusNot Qualified
surface mountYES
technologyBIPOLAR
Maximum time at peak reflow temperatureNOT SPECIFIED
AIC431/TL431A/TL431
Adjustable Precision Shunt Regulator
FEATURES
Precision Reference Voltage.
AIC431 :2.495V
±0.5%
TL431A :2.495V
±1.0%
TL431 :2.495V
±1.6%
Sink Current Capability: 200mA.
Minimum Cathode Current for Regulation:
250µA.
Equivalent Full-Range Temperature Coefficient:
50 ppm/°C.
Fast Turn-On Response.
Low Dynamic Output Impedance: 0.08Ω.
Adjustable Output Voltage.
Low Output Noise.
Space Saving Packages: SOT-89, SOT-23,
TO-92 and SO-8.
DESCRIPTION
The AIC431, TL431A and TL431 are 3-
terminal
regulators
stability
adjustable
with
over
the
precision
applicable
shunt
extended
guaranteed
temperature
commercial temperature range. The output
voltage may be set at any level greater than
2.495V (V
REF
) up to 30V merely by selecting
two external resistors that act as a voltage
divider network. These devices have a
typical output impedance of 0.08Ω. Active
output circuitry provides a very sharp turn-on
characteristic,
making
these
devices
excellent improved replacements for zener
diodes in many applications.
APPLICATIONS
Linear Regulators.
Adjustable Supplies.
Switching Power Supplies.
Battery Operated Computers.
Instrumentation.
Computer Disk Drivers.
The
precise
±0.5%
reference
voltage
tolerance of the AIC431 makes it possible in
many applications to avoid the use of a
variable resistor, consequently saving cost
and eliminating drift and reliability problems
associated with it.
TYPICAL APPLICATION CIRCUIT
V
IN
+
C1
AIC431
V
OUT
R3
R1 +
C2
R2
V
OUT
=(1+R1/R2) VREF
Precision Regulator
Analog Integrations Corporation
Si-Soft Research Center
3A1, No.1, Li-Hsin Rd. I, Science Park, Hsinchu 300, Taiwan, R.O.C.
TEL: 886-3-5772500
FAX: 886-3-5772510
www.analog.com.tw
DS-431P-04 010405
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