AS1431DR4LPB datasheet(1/8 Pages) ETC

Il numero della parte	AS1431DR4LPB

Spiegazioni elettronici	Precision Adjustable Shunt Reference

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ASTEC Semiconductor

AS1431

Precision Adjustable Shunt Reference

Features

¥ Temperature-compensated: 30 ppm/¡C

¥ Trimmed 0.4% bandgap reference

¥ Internal amplifier with 150 mA capability

¥ Temperature range: Extended to Ð55

to125¡C

¥ Low frequency dynamic output

impedance: < 150 m½

¥ Low output noise

¥ Robust ESD protection

Description

The AS1431 is a three-terminal adjustable shunt regulator providing a

highly accurate 0.4% 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

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

programmable output voltage make this precision reference a perfect

zener diode replacement.

The AS1431 is characterized to operate over the full automotive tem-

perature range of Ð55 to 125¡C and is now available in the SOT-23 (5L)

package.

SEMICONDUCTOR

Pin Configuration Ñ Top view

Ordering Information

CATHODE

TO-92 (LP)

SOIC (D)

ANODE

REFERENCE

CATHODE

REFERENCE

ANODE

N/C

CATHODE

ANODE

N/C

SOT-89 (S)

SOT-23/5L (DBV)

ANODE

REFERENCE

1

2

3

4

8

7

6

5

REFERENCE

ANODE

N/C

CATHODE

Circuit Type:

Precision Adjustable

Shunt Regulator

Temperature Range:

D = –55

°C to +125°C

Bandgap Tolerance:

R4 =

±0.4%

AS1431 D R4 D 7

Packaging Option:

A

B

T

7

13

Package Style:

D

DBV

LP

S

= SOIC

= SOT-23/5L

= TO-92

= SOT-89

= Ammo Pack

= Bulk

= Tube

= Tape and Reel (7" Reel Dia)

= Tape and Reel (13" Reel Dia)

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