AS2431D1ST datasheet, PDF - EEWORLD Datasheet

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AS2431D1ST: Description1-OUTPUT TWO TERM VOLTAGE REFERENCE, 2.495V, PSSO3, SOT-89, 3 PIN; CategoryPower/power management The power supply circuit; File Size83KB，8 Pages; ManufacturerEmerson Embedded Power

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AS2431D1ST Overview

1-OUTPUT TWO TERM VOLTAGE REFERENCE, 2.495V, PSSO3, SOT-89, 3 PIN

AS2431D1ST Parametric

Parameter Name	Attribute value
Parts packaging code	SOT-89
package instruction	,
Contacts	3
Reach Compliance Code	unknown
ECCN code	EAR99
Other features	OUTPUT VOLTAGE ADJUSTABLE FROM 2.495V TO 18V
Analog Integrated Circuits - Other Types	TWO TERMINAL VOLTAGE REFERENCE
JESD-30 code	R-PSSO-F3
length	4.525 mm
Number of functions	1
Output times	1
Number of terminals	3
Maximum operating temperature	125 °C
Minimum operating temperature	-55 °C
Maximum output voltage	2.54 V
Minimum output voltage	2.45 V
Nominal output voltage	2.495 V
Package body material	PLASTIC/EPOXY
Package shape	RECTANGULAR
Package form	SMALL OUTLINE
Certification status	Not Qualified
Maximum seat height	1.7 mm
surface mount	YES
Temperature level	MILITARY
Terminal form	FLAT
Terminal pitch	1.5 mm
Terminal location	SINGLE
Fine-tuning/adjustable output	YES
width	2.435 mm
Base Number Matches	1

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SEMICONDUCTOR

AS2431

Precision Adjustable Shunt Reference

Description

The AS2431 is a three-terminal adjustable shunt regulator providing a highly accu-

rate bandgap reference. The adjustable shunt regulator is ideal for a wide variety

of linear applications that can be implemented using external components to

obtain adjustable currents and voltages.

In the standard shunt configuration, the combination of low temperature coeffi-

cient (TC), sharp turn-on characteristics, low output impedance and program-

mable output voltage make this precision reference an excellent error amplifier.

The AS2431 is a direct replacement for the AS431 in low voltage, low current appli-

cations. It is also available in the very small footprint SOT-23.

Features

Temperature-compensated: 15 ppm/¡C

Trimmed bandgap reference

Internal amplifier with 100 mA capability

Multiple temperature ranges

Low frequency dynamic output impedance:

< 450 m½

Low output noise

Pin Configuration Ñ

Top view

TO-92 (LP)

CATHODE

ANODE

REFERENCE

ANODE

N/C

SOIC (D)

REFERENCE

ANODE

N/C

SOT-89 (S)

SOT-23/3L (VS)

CATHODE

ANODE

REFERENCE

ANODE

REFERENCE

Ordering Information

AS2431 A 2 D 7

Circuit Type:

Precision Adjustable

Shunt Regulator

Temperature Range:

A = 0°C to 70°C

B = 0°C to 105°C

C = –40°C to +85°C

D = –55°C to +125°C

Bandgap Tolerance:

±2%

±1%

R4 =

±0.4%

R5 =

±0.5%

R25 =

±0.25%

Packaging Option:

A = Ammo Pack

B = Bulk

T = Tube

7 = Tape and Reel (7" Reel Dia)

13 = Tape and Reel (13" Reel Dia)

Package Style:

D = SOIC

LP = TO-92

S = SOT-89

VS = SOT-23/3L

ASTEC Semiconductor

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