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能够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的基准。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。

  • 可编程输出电压可达36 V
  • 电压基准容差：+/- 0.4%，典型值 @ 25°C (TL431B)
  • 低动态输出阻抗，典型值0.22 W
  • 灌电流能力为1.0 mA至100 mA
  • 等效全范围温度系数典型值为 50 ppm/ °C
  • 在额定的全工作温度范围内进行温度补偿
  • 低输出噪声电压
  • 无铅封装可选

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NCV431AIDMR2G

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Pb

A

H

P

Micro8

846A-02

1

260

REEL

4000

N

Adjustable

2.5

1

0.5

1

36

-40

125

$0.1906

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NCV431AIDR2G

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Pb

A

H

P

SOIC-8

751-07

1

260

REEL

2500

N

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2.5

1

0.5

1

36

-40

125

$0.2609

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NCV431BVDMR2G

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P

Micro8

846A-02

1

260

REEL

4000

N

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2.5

0.4

0.5

1

36

-40

125

$0.224

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NCV431BVDR2G

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Pb

A

H

P

SOIC-8

751-07

1

260

REEL

2500

N

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2.5

0.4

0.5

1

36

-40

125

$0.23

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TL431CDG

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260

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98

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2.2

-

1

36

0

70

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TL431CDMR2G

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Pb

A

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P

Micro8

846A-02

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260

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4000

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2.2

-

1

36

0

70

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TL431CDR2G

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H

P

SOIC-8

751-07

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260

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2500

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2.2

-

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36

0

70

$0.1544

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TL431CLP

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TL431CLPG

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TO-92

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0

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2000

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2.2

-

1

36

0

70

$0.1301

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TL431CLPRAG

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A

H

P

TO-92

29-10

NA

0

REEL

2000

N

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2.5

2.2

-

1

36

0

70

$0.1301

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TL431CLPREG

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P

TO-92

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1

36

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70

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TL431CLPRMG

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TO-92

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70

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TL431CLPRPG

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P

TO-92

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2000

N

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2.5

2.2

-

1

36

0

70

$0.1301

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TL431CPG

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Pb

A

H

P

PDIP-8

626-05

NA

0

TUBE

50

N

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2.5

2.2

-

1

36

0

70

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TL431IDG

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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

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TL431IDMR2G

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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

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TL431IDR2G

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Pb

A

H

P

SOIC-8

751-07

1

260

REEL

2500

N

Adjustable

2.5

2.2

-

1

36

-40

85

$0.1544

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TL431ILPG

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Pb

A

H

P

TO-92

29-10

NA

0

BLKBG

2000

N

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2.5

2.2

-

1

36

-40

85

Price N/A

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TL431ILPRAG

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Pb

A

H

P

TO-92

29-10

NA

0

REEL

2000

N

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2.5

2.2

-

1

36

-40

85

$0.1312

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TL431ILPRPG

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CAD Model

Pb

A

H

P

TO-92

29-10

NA

0

FNFLD

2000

N

Adjustable

2.5

2.2

-

1

36

-40

85

Price N/A

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TL431IPG

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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

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可靠性数据

Die Related Summary Data

Device: TL431CDG

Equivalent to wafer fab process: BP STD LINEAR

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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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