Voltage References | TL431

电压基准，可编程精度，分路稳压器

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TL431/TL431A/TL431B集成电路为三端子可编程分路稳压器二极管。这款单片集成电路电压基准作为低温度系数齐纳运行，配合两个外部电阻可编程范围为Vref至36V。这类器件具有1.0mA至100mA的宽运行电流范围，典型动态阻抗为0.22W。这类电压基准的特性使其在很多应用中成为齐纳二极管的绝佳替代产品，如数字电压计、电源和运算放大器电路。2.5V基准使其能够从5.0V逻辑电源中方便地获得稳定得基准。由于TL431/TL431A/TL431B作为分路稳压器运行，所以既可用作正电压基准也可用作负电压基准。

  • Programmable Output Voltage to 36 V
  • Voltage Reference Tolerance: +/- 0.4%, Typ @ 25°C (TL431B)
  • Low Dynamic Output Impedance, 0.22 W Typical
  • Sink Current Capability of 1.0 mA 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
  • Pb-Free Packages are Available

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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

NCV431AIDMR2G

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Active

CAD Model

Pb

A

H

P

Micro8

846A-02

1

260

REEL

4000

Y

Adjustable

2.5

1

0.5

1

36

-40

125

$0.2345

More Details

NCV431AIDR2G

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Active

CAD Model

Pb

A

H

P

SOIC-8

751-07

1

260

REEL

2500

Y

Adjustable

2.5

1

0.5

1

36

-40

125

$0.3373

More Details

NCV431BVDMR2G

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Active

CAD Model

Pb

A

H

P

Micro8

846A-02

1

260

REEL

4000

Y

Adjustable

2.5

0.4

0.5

1

36

-40

125

$0.336

More Details

NCV431BVDR2G

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Active

CAD Model

Pb

A

H

P

SOIC-8

751-07

1

260

REEL

2500

Y

Adjustable

2.5

0.4

0.5

1

36

-40

125

$0.24

More Details

TL431CDG

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Last Shipments

CAD Model

Pb

A

H

P

SOIC-8

751-07

1

260

TUBE

98

N

Adjustable

2.5

2.2

-

1

36

0

70

Price N/A

More Details

TL431CDMR2G

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Obsolete

CAD Model

Pb

A

H

P

Micro8

846A-02

1

260

REEL

4000

N

Adjustable

2.5

2.2

-

1

36

0

70

Price N/A

More Details

TL431CDR2G

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Active

CAD Model

Pb

A

H

P

SOIC-8

751-07

1

260

REEL

2500

N

Adjustable

2.5

2.2

-

1

36

0

70

$0.1544

More Details

TL431CLP

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Obsolete

CAD Model

Pb

A

H

P

TO-92

29-11

NA

0

BLKBG

2000

N

Adjustable

2.5

2.2

-

1

36

0

70

Price N/A

More Details

TL431CLPG

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Active

CAD Model

Pb

A

H

P

TO-92

29-10

NA

0

BLKBG

2000

N

Adjustable

2.5

2.2

-

1

36

0

70

$0.1301

More Details

TL431CLPRAG

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Active

CAD Model

Pb

A

H

P

TO-92

29-10

NA

0

REEL

2000

N

Adjustable

2.5

2.2

-

1

36

0

70

$0.1312

More Details

TL431CLPREG

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Obsolete

CAD Model

Pb

A

H

P

TO-92

29-11

NA

0

REEL

2000

N

Adjustable

2.5

2.2

-

1

36

0

70

Price N/A

More Details

TL431CLPRMG

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Obsolete

CAD Model

Pb

A

H

P

TO-92

29-10

NA

0

FNFLD

2000

N

Adjustable

2.5

2.2

-

1

36

0

70

Price N/A

More Details

TL431CLPRPG

Loading...

Active

CAD Model

Pb

A

H

P

TO-92

29-10

NA

0

FNFLD

2000

N

Adjustable

2.5

2.2

-

1

36

0

70

$0.1312

More Details

TL431CPG

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Obsolete

CAD Model

Pb

A

H

P

PDIP-8

626-05

NA

0

TUBE

50

N

Adjustable

2.5

2.2

-

1

36

0

70

Price N/A

More Details

TL431IDG

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Obsolete

CAD Model

Pb

A

H

P

SOIC-8

751-07

1

260

TUBE

98

N

Adjustable

2.5

2.2

-

1

36

-40

85

Price N/A

More Details

TL431IDMR2G

Loading...

Obsolete

CAD Model

Pb

A

H

P

Micro8

846A-02

1

260

REEL

4000

N

Adjustable

2.5

2.2

-

1

36

-40

85

Price N/A

More Details

TL431IDR2G

Loading...

Active

CAD Model

Pb

A

H

P

SOIC-8

751-07

1

260

REEL

2500

N

Adjustable

2.5

2.2

-

1

36

-40

85

$0.1544

More Details

TL431ILPG

Loading...

Active

CAD Model

Pb

A

H

P

TO-92

29-10

NA

0

BLKBG

2000

N

Adjustable

2.5

2.2

-

1

36

-40

85

$0.1301

More Details

TL431ILPRAG

Loading...

Active

CAD Model

Pb

A

H

P

TO-92

29-10

NA

0

REEL

2000

N

Adjustable

2.5

2.2

-

1

36

-40

85

$0.1312

More Details

TL431ILPRPG

Loading...

Active

CAD Model

Pb

A

H

P

TO-92

29-10

NA

0

FNFLD

2000

N

Adjustable

2.5

2.2

-

1

36

-40

85

$0.1312

More Details

TL431IPG

Loading...

Obsolete

CAD Model

Pb

A

H

P

PDIP-8

626-05

NA

0

TUBE

50

N

Adjustable

2.5

2.2

-

1

36

-40

85

Price N/A

More Details

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