Voltage References | TL431A

电压参考，可编程精度，分路稳压器

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概览

TL431、A、B 集成电路为三端子可编程分路稳压器二极管。此类单片集成电路电压参考作为低温度系数齐纳运行，配合两个外部电阻可从 Vref 至 36 V 进行编程。此类器件具有 1.0 mA 至 100 mA 的宽运行电流范围，典型动态阻抗为 0.22 W。此类参考的特性使其成为很多应用中齐纳二极管的绝佳替代器件，如数字电压计、电源和运算放大器电路。2.5 V 参考使其能够从 5.0 V 逻辑电源方便地获取稳定参考，因为 TL431、A、B 作为分路稳压器运行，所以既可用作正电压参考也可用作负电压参考。

  • 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

TL431ACD

Contact Sales

Obsolete

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CAD Model

Pb

A

H

P

-

-

1

-

TUBE - Tube

98

N

Adjustable

2.5

1

0.5

1

36

0

70

Price N/A

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TL431ACDG

Contact Sales

Active

CAD Model

Pb

A

H

P

SOIC-8

751-07

1

260

TUBE

98

N

Adjustable

2.5

1

0.5

1

36

0

70

$0.1544

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TL431ACDMR2G

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Obsolete

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CAD Model

Pb

A

H

P

Micro8

846A-02

1

260

REEL

4000

N

Adjustable

2.5

1

0.5

1

36

0

70

Price N/A

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TL431ACDR2G

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Active

CAD Model

Pb

A

H

P

SOIC-8

751-07

1

260

REEL

2500

N

Adjustable

2.5

1

0.5

1

36

0

70

$0.1544

More Details

TL431ACLP

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Obsolete

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CAD Model

Pb

A

H

P

-

-

-

-

BLKBG - Bulk Bag

1

N

Adjustable

2.5

1

0.5

1

36

0

70

Price N/A

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TL431ACLPG

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Lifetime

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CAD Model

Pb

A

H

P

TO-92

29-10

NA

0

BLKBG

2000

N

Adjustable

2.5

1

0.5

1

36

0

70

$0.1719

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TL431ACLPRAG

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Active

CAD Model

Pb

A

H

P

TO-92

29-10

NA

0

REEL

2000

N

Adjustable

2.5

1

0.5

1

36

0

70

$0.1712

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TL431ACLPREG

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Obsolete

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CAD Model

Pb

A

H

P

TO-92

29-11

NA

0

REEL

2000

N

Adjustable

2.5

1

0.5

1

36

0

70

Price N/A

More Details

TL431ACLPRPG

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Last Shipments

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CAD Model

Pb

A

H

P

TO-92

29-10

NA

0

FNFLD

2000

N

Adjustable

2.5

1

0.5

1

36

0

70

Price N/A

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TL431ACPG

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Obsolete

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CAD Model

Pb

A

H

P

PDIP-8

626-05

NA

0

TUBE

50

N

Adjustable

2.5

1

0.5

1

36

0

70

Price N/A

More Details

TL431AIDG

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Active

CAD Model

Pb

A

H

P

SOIC-8

751-07

1

260

TUBE

98

N

Adjustable

2.5

1

0.5

1

36

-40

85

$0.1475

More Details

TL431AIDMR2G

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Obsolete

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CAD Model

Pb

A

H

P

Micro8

846A-02

1

260

REEL

4000

N

Adjustable

2.5

1

0.5

1

36

-40

85

Price N/A

More Details

TL431AIDR2G

Contact Sales

Active

CAD Model

Pb

A

H

P

SOIC-8

751-07

1

260

REEL

2500

N

Adjustable

2.5

1

0.5

1

36

-40

85

$0.1475

More Details

TL431AILPG

Contact Sales

Active

CAD Model

Pb

A

H

P

TO-92

29-10

NA

0

BLKBG

2000

N

Adjustable

2.5

1

0.5

1

36

-40

85

$0.1715

More Details

TL431AILPRAG

Contact Sales

Last Shipments

相似产品推荐
CAD Model

Pb

A

H

P

TO-92

29-10

NA

0

REEL

2000

N

Adjustable

2.5

1

0.5

1

36

-40

85

Price N/A

More Details

TL431AILPRMG

Contact Sales

Obsolete

相似产品推荐
CAD Model

Pb

A

H

P

TO-92

29-10

NA

0

FNFLD

2000

N

Adjustable

2.5

1

0.5

1

36

-40

85

Price N/A

More Details

TL431AILPRPG

Contact Sales

Last Shipments

相似产品推荐
CAD Model

Pb

A

H

P

TO-92

29-10

NA

0

FNFLD

2000

N

Adjustable

2.5

1

0.5

1

36

-40

85

Price N/A

More Details

TL431AIPG

Contact Sales

Obsolete

相似产品推荐
CAD Model

Pb

A

H

P

PDIP-8

626-05

NA

0

TUBE

50

N

Adjustable

2.5

1

0.5

1

36

-40

85

Price N/A

More Details

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可靠性数据

Die Related Summary Data

Device: TL431ACDG

Equivalent to wafer fab process: BP STD LINEAR

产品技术

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等效器件小时

平均故障间隔时间/平均无故障时间（按小时计算）

FITS

BP STD LINEAR

10

12120914040

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Re-calculate Data

Data is based on the following assumptions.

Note: The temperature and confidence level may be adjusted to your requirements.

Disclaimer: A reliability FIT rate calculated using this tool shall not be used for any functional safety purpose. In case a raw FIT rate needs to be estimated for a component which is targeted to be used in a safety critical application (i.e. compliant to ISO 26262 standard) it should be calculated according to generic safety standards (IEC62380, IEC61709, SN29500, FIDES, etc.)

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