LM431AIMX/NOPB datasheet, PDF - EEWORLD Datasheet

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LM431AIMX/NOPB: Description2%, 1%, or 0.5% accuracy, adjustable precision Zener shunt regulator 8-SOIC -40 to 85; CategoryPower/power management The power supply circuit; File Size2MB，38 Pages; ManufacturerTaiyo Yuden; Environmental Compliance

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LM431AIMX/NOPB Overview

2%, 1%, or 0.5% accuracy, adjustable precision Zener shunt regulator 8-SOIC -40 to 85

LM431AIMX/NOPB Parametric

Parameter Name	Attribute value
Brand Name	Texas Instruments
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	Taiyo Yuden
Parts packaging code	SOIC
package instruction	SOIC-8
Contacts	8
Reach Compliance Code	compliant
ECCN code	EAR99
Factory Lead Time	1 week
Is Samacsys	N
Other features	OUTPUT VOLTAGE ADJUSTABLE FROM 2.495 TO 36V WITH TWO EXTERNAL RESISTORS
Analog Integrated Circuits - Other Types	TWO TERMINAL VOLTAGE REFERENCE
JESD-30 code	R-PDSO-G8
JESD-609 code	e3
length	4.9 mm
Humidity sensitivity level	1
Number of functions	1
Output times	1
Number of terminals	8
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Maximum output current	0.1 A
Maximum output voltage	2.55 V
Minimum output voltage	2.44 V
Nominal output voltage	2.495 V
Package body material	PLASTIC/EPOXY
encapsulated code	SOP
Encapsulate equivalent code	SOP8,.25
Package shape	RECTANGULAR
Package form	SMALL OUTLINE
Peak Reflow Temperature (Celsius)	260
Certification status	Not Qualified
Maximum seat height	1.75 mm
Maximum supply voltage (Vsup)	37 V
Minimum supply voltage (Vsup)	2.44 V
surface mount	YES
technology	BIPOLAR
Maximum voltage temperature coefficient	97 ppm/°C
Temperature level	INDUSTRIAL
Terminal surface	Matte Tin (Sn)
Terminal form	GULL WING
Terminal pitch	1.27 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED
Fine-tuning/adjustable output	YES
width	3.9 mm
Base Number Matches	1

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LM431

SNVS020H – MAY 2000 – REVISED JANUARY 2016

LM431 Adjustable Precision Zener Shunt Regulator

1 Features

•

3 Description

The LM431 is a 3-terminal adjustable shunt regulator

with ensured temperature stability over the entire

temperature range of operation. The output voltage

may be set at any level greater than 2.5 V (V

REF

) up

to 36 V merely by selecting two external resistors that

act as a voltage divided network. Due to the sharp

turnon characteristics this device is an excellent

replacement for many Zener diode applications.

The LM431 is available in space-saving SOIC-8,

SOT-23, and TO-92 packages.

Device Information

(1)

PART NUMBER

LM431

PACKAGE

SOIC (8)

SOT-23 (3)

TO-92 (3)

BODY SIZE (NOM)

4.90 mm × 3.91 mm

2.92 mm × 1.30 mm

4.30 mm × 4.30 mm

•

Average Temperature Coefficient 50 ppm/°C

Temperature Compensated for Operation Over

the Full Temperature Range

Programmable Output Voltage

Fast Turnon Response

Low-Output Noise

Low-Dynamic Output Impedance

Available in Space-Saving SOIC-8, SOT-23, and

TO-92 Packages

2 Applications

•

Adjustable Voltage or Current Linear and

Switching Power Supplies

Voltage Monitoring

Current Source and Sink Circuits

Circuits Requiring Precision References

Zener Diode Replacements

LM431 Symbol

(1) For all available packages, see the orderable addendum at

the end of the data sheet.

Functional Block Diagram

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.

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