LM431SA_06 datasheet, PDF - EEWORLD Datasheet

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LM431SA_06: DescriptionProgrammable Shunt Regulator; File Size133KB，11 Pages; ManufacturerFairchild; Websitehttp://www.fairchildsemi.com/

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LM431SA_06 Overview

Programmable Shunt Regulator

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July 2006

LM431SA/LM431SB/LM431SC

Programmable Shunt Regulator

Features

Programmable Output Voltage to 36 Volts

Low Dynamic Output Impedance 0.20 Typical

Sink Current Capability of 1.0 to 100mA

Equivalent Full-Range Temperature Coefficient of

50ppm/°C Typical

• Temperature Compensated for Operation Over Full Rated

Operating Temperature Range

• Low Output Noise Voltage

• Fast Turn-on Response

•

Description

The LM431SA/LM431SB/LM431SC are three terminal

output adjustable regulators with thermal stability over

operating temperature range. The output voltage can be set

any value between V

REF

(approximately 2.5 volts) and 36

volts with two external resistors. These devices have a

typical dynamic output impedance of 0.2Ω Active output

circuit provides a sharp turn-on characteristic, making these

devices excellent replacement for Zener Diodes in many

applications.

SOT-89

1. Ref 2. Anode 3. Cathode

SOT-23F

1. Cathode 2. Ref 3. Anode

Internal Block Diagram

Rev. 1.0.5

LM431SA_06 Related Products

	LM431SA_06	LM431SC	LM431SA	LM431SB	LM431SCCML	LM431SCCMF	LM431SBCML	LM431SBCMF	LM431SACML	LM431SACMF
Description	Programmable Shunt Regulator	Programmable Shunt Regulator	Programmable Shunt Regulator	Programmable Shunt Regulator	Programmable Shunt Regulator	Programmable Shunt Regulator	Programmable Shunt Regulator	Programmable Shunt Regulator	Programmable Shunt Regulator	Programmable Shunt Regulator
Maker	-	-	-	-	Fairchild	Fairchild	Fairchild	Fairchild	Fairchild	Fairchild
Parts packaging code	-	-	-	-	SOT-89	SOT-23	SOT-89	SOT-23	SOT-89	SOT-23
package instruction	-	-	-	-	SOT-89, 3 PIN	SOT-23F, 3 PIN	, TO-243	VSSOP, TO-236	SOT-89, 3 PIN	SOT-23F, 3 PIN
Contacts	-	-	-	-	3	3	3	3	3	3
Reach Compliance Code	-	-	-	-	unknow	unknow	unknow	unknow	unknow	compli
ECCN code	-	-	-	-	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99
Other features	-	-	-	-	THE OUTPUT VOLTAGE CAN BE SET TO ANY VALUE BETWEEN 2.495V AND 36V WITH TWO EXTERNAL RESISTORS	THE OUTPUT VOLTAGE CAN BE SET TO ANY VALUE BETWEEN 2.495V AND 36V WITH TWO EXTERNAL RESISTORS	THE OUTPUT VOLTAGE CAN BE SET TO ANY VALUE BETWEEN 2.495V AND 36V WITH TWO EXTERNAL RESISTORS	THE OUTPUT VOLTAGE CAN BE SET TO ANY VALUE BETWEEN 2.495V AND 36V WITH TWO EXTERNAL RESISTORS	THE OUTPUT VOLTAGE CAN BE SET TO ANY VALUE BETWEEN 2.5V AND 36V WITH TWO EXTERNAL RESISTORS	THE OUTPUT VOLTAGE CAN BE SET TO ANY VALUE BETWEEN 2.5V AND 36V WITH TWO EXTERNAL RESISTORS
Analog Integrated Circuits - Other Types	-	-	-	-	TWO TERMINAL VOLTAGE REFERENCE	TWO TERMINAL VOLTAGE REFERENCE	TWO TERMINAL VOLTAGE REFERENCE	TWO TERMINAL VOLTAGE REFERENCE	TWO TERMINAL VOLTAGE REFERENCE	TWO TERMINAL VOLTAGE REFERENCE
JESD-30 code	-	-	-	-	R-PSSO-F3	R-PDSO-G3	R-PSSO-F3	R-PDSO-G3	R-PSSO-F3	R-PDSO-G3
length	-	-	-	-	4.5 mm	2.9 mm	4.5 mm	2.9 mm	4.5 mm	2.9 mm
Number of functions	-	-	-	-	1	1	1	1	1	1
Output times	-	-	-	-	1	1	1	1	1	1
Number of terminals	-	-	-	-	3	3	3	3	3	3
Maximum operating temperature	-	-	-	-	85 °C	85 °C	85 °C	85 °C	85 °C	85 °C
Minimum operating temperature	-	-	-	-	-25 °C	-25 °C	-25 °C	-25 °C	-25 °C	-25 °C
Maximum output current	-	-	-	-	0.1 A	0.1 A	0.1 A	0.1 A	0.1 A	0.1 A
Maximum output voltage	-	-	-	-	2.508 V	2.508 V	2.52 V	2.52 V	2.55 V	2.55 V
Minimum output voltage	-	-	-	-	2.482 V	2.482 V	2.47 V	2.47 V	2.45 V	2.45 V
Nominal output voltage	-	-	-	-	2.495 V	2.495 V	2.495 V	2.495 V	2.5 V	2.5 V
Package body material	-	-	-	-	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
Encapsulate equivalent code	-	-	-	-	TO-243	TO-236	TO-243	TO-236	TO-243	TO-236
Package shape	-	-	-	-	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR
Package form	-	-	-	-	SMALL OUTLINE	SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH	SMALL OUTLINE	SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH	SMALL OUTLINE	SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH
Certification status	-	-	-	-	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified
Maximum seat height	-	-	-	-	1.7 mm	1 mm	1.7 mm	1 mm	1.7 mm	1 mm
surface mount	-	-	-	-	YES	YES	YES	YES	YES	YES
technology	-	-	-	-	BIPOLAR	BIPOLAR	BIPOLAR	BIPOLAR	BIPOLAR	BIPOLAR
Maximum voltage temperature coefficient	-	-	-	-	61.942 ppm/°C	61.942 ppm/°C	61.942 ppm/°C	61.942 ppm/°C	61.818 ppm/°C	61.818 ppm/°C
Temperature level	-	-	-	-	OTHER	OTHER	OTHER	OTHER	OTHER	OTHER
Terminal form	-	-	-	-	FLAT	GULL WING	FLAT	GULL WING	FLAT	GULL WING
Terminal pitch	-	-	-	-	1.5 mm	0.95 mm	1.5 mm	0.95 mm	1.5 mm	0.95 mm
Terminal location	-	-	-	-	SINGLE	DUAL	SINGLE	DUAL	SINGLE	DUAL
Fine-tuning/adjustable output	-	-	-	-	YES	YES	YES	YES	YES	YES
width	-	-	-	-	2.5 mm	1.6 mm	2.5 mm	1.6 mm	2.5 mm	1.6 mm

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