LM431BCM/NOPB National Semiconductor, LM431BCM/NOPB Datasheet

LM431BCM/NOPB

Manufacturer Part Number

LM431BCM/NOPB

Description

IC REG ADJ ZENER SHUNT 8-SOIC

Manufacturer

National Semiconductor

Type

Voltage Regulatorr

Datasheets

1.LM431ACM3XNOPB.pdf (14 pages)

2.LM431BCMNOPB.pdf (4 pages)

Specifications of LM431BCM/NOPB

Reference Type

Shunt, Adjustable

Voltage - Output

2.495 ~ 36 V

Tolerance

±1%

Temperature Coefficient

50ppm/°C

Number Of Channels

Current - Cathode

400µA

Current - Output

100mA

Operating Temperature

0°C ~ 70°C

Mounting Type

Surface Mount

Package / Case

8-SOIC (3.9mm Width)

Current, Output

1 to 100 mA

Package Type

SOIC-8

Power Dissipation

0.81 W

Regulator Type

Shunt

Temperature, Operating, Range

0 to +70 °C

Voltage, Output

37 V

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Voltage - Input

Current - Quiescent

Lead Free Status / Rohs Status

RoHS Compliant part Electrostatic Device

Other names

*LM431BCM
*LM431BCM/NOPB
LM431BCM

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LM431

Adjustable Precision Zener Shunt Regulator

General Description

The LM431 is a 3-terminal adjustable shunt regulator with

guaranteed temperature stability over the entire temperature

range of operation. It is now available in a chip sized pack-

age (4-Bump micro SMD) using National’s micro SMD pack-

age technology. The output voltage may be set at any level

greater than 2.5V (V

external resistors that act as a voltage divided network. Due

to the sharp turn-on characteristics this device is an excel-

lent replacement for many zener diode applications.

Connection Diagrams

Note: *NC = Not internally connected. Must be electrically isolated from the rest of the circuit for the microSMD package.

SO-8: 8-Pin Surface Mount

TO-92: Plastic Package

REF

) up to 36V merely by selecting two

Top View

Top view

01005501

01005502

Features

n Average temperature coefficient 50 ppm/˚C

n Temperature compensated for operation over the full

n Programmable output voltage

n Fast turn-on response

n Low output noise

n LM431 in micro SMD package

n See AN-1112 for micro SMD considerations

temperature range

SOT-23: 3-Lead Small Outline

4-Bump micro SMD

(bump side down)

Top View

01005528

01005554

Related parts for LM431BCM/NOPB

LM431BCM/NOPB Summary of contents

Page 1

LM431 Adjustable Precision Zener Shunt Regulator General Description The LM431 is a 3-terminal adjustable shunt regulator with guaranteed temperature stability over the entire temperature range of operation now available in a chip sized pack- age (4-Bump micro SMD) ...

Page 2

Ordering Information Package Typical Accuracy Order Number/Package Marking 0.5% 1% TO-92 LM431CCZ/ LM431BCZ/ LM431CCZ LM431BCZ LM431CIZ/ LM431BIZ/ LM431CIZ LM431BIZ SO-8 LM431CCM/ LM431BCM/ 431CCM 431BCM LM431CCMX/ LM431BCMX/ 431CCM 431BCM LM431CIM/ LM431BIM/ 431CIM 431BIM LM431CIMX/ LM431BIMX/ 431CIM 431BIM SOT-23 LM431CCM3/ LM431BCM3/ N1B ...

Page 3

... Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Storage Temperature Range Operating Temperature Range Industrial (LM431xI) Commercial (LM431xC) Soldering Information Infrared or Convection (20 sec.) Wave Soldering (10 sec.) Cathode Voltage Continuous Cathode Current ...

Page 4

Physical Dimensions inches (millimeters) unless otherwise noted SOT-23 Molded Small Outline Transistor Package (M3) 8-Pin SOIC NS Package Number M08A NS Package Number MF03A 11 ...

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