Adjustable/2.5V, 1% Tolerance Shunt Regulator

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Overview

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 VREF (approximately 2.5 V) and 36 V with two external resistors. These devices have a typical dynamic output impedance of 0.2 Ω. Active output circuit provides a sharp turn-on characteristic, making these devices excellent replacement for Zener Diodes in many applications.

  • This product is general usage and suitable for many different applications.
  • Programmable Output Voltage to 36 V
  • Low Dynamic Output Impedance 0.2 Ω Typical
  • Sink Current Capability of 1.0 to 100 mA
  • Equivalent Full-Range Temperature Coefficient of 50 ppm/°C Typical
  • Temperature Compensated for Operation Over Full Rated Operating Temperature Range
  • Low Output Noise Voltage
  • Fast Turn-on Response

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Product

Status

CAD Models

Compliance

Package Type

Case Outline

MSL Type

MSL Temp (°C)

Container Type

Container Qty.

ON Target

Type

V(BR) Typ (V)

Tolerance (%)

IQ Typ (mA)

IR Min (mA)

VF Max (V)

TA Min (°C)

TA Max (°C)

Reference Price

LM431SBCM32X

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Active

CAD Model

Pb

A

H

P

SOT-23-3

1

260

REEL

3000

N

Adjustable

2.5

1

-

0.0015

36

-25

85

$0.0699

More Details

LM431SBCM3X

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Active

CAD Model

Pb

A

H

P

SOT-23-3

1

260

REEL

3000

N

Adjustable

2.5

1

-

0.0015

36

-25

85

$0.0793

More Details

LM431SBCMFX

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Active

CAD Model

Pb

A

H

P

SOT23−3L

1

260

REEL

3000

N

Adjustable

2.5

1

-

0.0015

36

-25

85

$0.0627

More Details

LM431SBCMLX

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Last Shipments

CAD Model

Pb

A

H

P

SOT-89-3

1

260

REEL

4000

N

Adjustable

2.5

1

-

0.0015

36

-25

85

Price N/A

More Details

LM431SBIMFX

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Active

CAD Model

Pb

A

H

P

SOT23−3L

1

260

REEL

3000

N

Adjustable

2.5

1

-

0.0015

36

-40

85

$0.12

More Details

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