LM431AIM3/NOPB National Semiconductor, LM431AIM3/NOPB Datasheet

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LM431AIM3/NOPB

Manufacturer Part Number
LM431AIM3/NOPB
Description
IC REG ADJ ZENER SHUNT SOT23-3
Manufacturer
National Semiconductor
Datasheet

Specifications of LM431AIM3/NOPB

Reference Type
Shunt, Adjustable
Voltage - Output
2.495 ~ 36 V
Tolerance
±2%
Temperature Coefficient
50ppm/°C
Number Of Channels
1
Current - Cathode
400µA
Current - Output
100mA
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
SOT-23-3, TO-236-3, Micro3™, SSD3, SST3
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Voltage - Input
-
Current - Quiescent
-
Other names
LM431AIM3
LM431AIM3TR

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
LM431AIM3/NOPB
Manufacturer:
NS/国半
Quantity:
20 000
Part Number:
LM431AIM3/NOPB
0
© 2010 National Semiconductor Corporation
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. 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 excellent
replacement for many zener diode applications.
Connection Diagrams
Note: NC = Not internally connected.
SO-8: 8-Pin Surface Mount
TO-92: Plastic Package
REF
) up to 36V merely by selecting two
Top View
Top view
10055
1005501
1005502
LM431
Features
Average temperature coefficient 50 ppm/°C
Temperature compensated for operation over the full
temperature range
Programmable output voltage
Fast turn-on response
Low output noise
SOT-23: 3-Lead Small Outline
Top View
September 2, 2010
1005528
www.national.com

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LM431AIM3/NOPB Summary of contents

Page 1

... Connection Diagrams TO-92: Plastic Package Top View SO-8: 8-Pin Surface Mount Top view Note Not internally connected. © 2010 National Semiconductor Corporation LM431 Features ■ Average temperature coefficient 50 ppm/°C ■ Temperature compensated for operation over the full temperature range ■ ...

Page 2

Ordering Information Package Typical Accuracy Order Number/Package Marking 0.5% TO-92 LM431CCZ/ LM431CCZ LM431CIZ/ LM431CIZ SO-8 LM431CCM/ 431CCM LM431CCMX/ 431CCM LM431CIM/ 431CIM LM431CIMX/ 431CIM SOT-23 LM431CCM3/ N1B LM431CCM3X/ N1B LM431CIM3 N1A LM431CIM3X N1A Symbol and Functional Diagrams 1005599 www.national.com 1% 2% ...

Page 3

DC Test Circuits FIGURE 1. Test Circuit for V 1005504 Note REF 1005506 FIGURE 3. Test Circuit for Off-State Current 3 1005505 (1 + R1/R2 • R1 REF REF FIGURE 2. ...

Page 4

... 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 5

The average temperature coefficient of the reference input voltage, V Where: T − full temperature change (0-70°C can be positive or negative depending on whether the slope is positive or negative. REF Example ...

Page 6

Typical Performance Characteristics Input Current vs V Input Current vs V Stability Boundary Conditions Note: The areas under the curves represent conditions that may cause the de- vice to oscillate. For curves B, C, and D, R2 and V the ...

Page 7

Test Circuit for Curve A Above Typical Applications Test Circuit for Curves B, C and D Above 1005512 Shunt Regulator Single Supply Comparator with Temperature Compensated Threshold 1005515 7 1005513 1005514 www.national.com ...

Page 8

Series Regulator Output Control of a Three Terminal Fixed Regulator 1005517 Higher Current Shunt Regulator 1005518 8 1005516 ...

Page 9

Crow Bar 1005519 Over Voltage/Under Voltage Protection Circuit 9 1005520 www.national.com ...

Page 10

Voltage Monitor Delay Timer 1005522 Current Limiter or Current Source 10 1005521 1005523 ...

Page 11

Constant Current Sink 1005524 11 www.national.com ...

Page 12

Physical Dimensions SOT-23 Molded Small Outline Transistor Package (M3) www.national.com inches (millimeters) unless otherwise noted 8-Pin SOIC NS Package Number M08A NS Package Number MF03A 12 ...

Page 13

NS Package Number Z03A 13 www.national.com ...

Page 14

... For more National Semiconductor product information and proven design tools, visit the following Web sites at: www.national.com Products Amplifiers www.national.com/amplifiers Audio www.national.com/audio Clock and Timing www.national.com/timing Data Converters www.national.com/adc Interface www.national.com/interface LVDS www.national.com/lvds Power Management www.national.com/power Switching Regulators www.national.com/switchers LDOs www.national.com/ldo LED Lighting www ...

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