电压基准,低阴极电流,可编程,分路稳压器

概览

NCP431集成电路是三端子可编程分路稳压器二极管。这是行业标准TL431A 的直接升级版。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40 µA至100mA的宽运行电流范围,典型动态阻抗为0.22Ω。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NCP431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。较低的最小运行电流使这款器件成为SMPS适配器中的次级稳压器的绝佳选择,无负载功耗极低。

NCP432与NCP431的各项功能和电气规格完全相同,仅引脚配置不同。

  • 开关模式电源
  • 仪器仪表

  • 适配器
  • 平板电视

  • 较低的最小工作电流:40 uA,典型值@ 25C
  • 电压基准容差:1%,典型值@ 25C
  • 可编程输出电压可达至36 V
  • 低动态输出阻抗,典型值0.22ohm
  • 在额定的全工作温度范围内进行温度补偿
  • 等效全范围温度系数典型值为 50 ppm/ °C
  • NCP431与TL432引脚兼容
  • NCP432与TL431引脚兼容

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Package Type

Case Outline

MSL Type

MSL Temp (°C)

Container Type

Container Qty.

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Type

V(BR) Typ (V)

Tolerance (%)

IQ Typ (mA)

IR Min (mA)

VF Max (V)

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TA Max (°C)

Reference Price

NCP431ACDR2G

Obsolete

CAD Model

Pb

A

H

P

SOIC-8

1

260

REEL

2500

N

Adjustable

2.5

1

0.04

0.04

36

0

70

Price N/A

More Details

NCP431ACLPRAG

Obsolete

CAD Model

Pb

A

H

P

TO-92

NA

0

REEL

2000

N

Adjustable

2.5

1

0.04

0.04

36

0

70

Price N/A

More Details

NCP431ACSNT1G

Active

CAD Model

Pb

A

H

P

SOT-23 (TO-236) 2.90x1.30x1.00, 1.90P

1

260

REEL

3000

Y

Adjustable

2.5

1

0.04

0.04

36

0

70

$0.1057

More Details

NCP431AIDR2G

Obsolete

CAD Model

Pb

A

H

P

SOIC-8

1

260

REEL

2500

N

Adjustable

2.5

1

0.04

0.04

36

-40

85

Price N/A

More Details

NCP431AILPRAG

Obsolete

CAD Model

Pb

A

H

P

TO-92

NA

0

REEL

2000

N

Adjustable

2.5

1

0.04

0.04

36

-40

85

Price N/A

More Details

NCP431AISNT1G

Active

CAD Model

Pb

A

H

P

SOT-23 (TO-236) 2.90x1.30x1.00, 1.90P

1

260

REEL

3000

Y

Adjustable

2.5

1

0.04

0.04

36

-40

85

$0.106

More Details

NCP431AVDR2G

Obsolete

CAD Model

Pb

A

H

P

SOIC-8

1

260

REEL

2500

N

Adjustable

2.5

1

0.04

0.04

36

-40

125

Price N/A

More Details

Obsolete

CAD Model

Pb

A

H

P

TO-92

NA

0

BLKBG

2000

N

Adjustable

2.5

1

0.04

0.04

36

-40

125

Price N/A

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NCP431AVLPRAG

Last Shipments

CAD Model

Pb

A

H

P

TO-92

NA

0

REEL

2000

N

Adjustable

2.5

1

0.04

0.04

36

-40

125

Price N/A

More Details

NCP431AVSNT1G

Active

CAD Model

Pb

A

H

P

SOT-23 (TO-236) 2.90x1.30x1.00, 1.90P

1

260

REEL

3000

Y

Adjustable

2.5

1

0.04

0.04

36

-40

125

$0.1057

More Details

NCP431BCSNT1G

Active

CAD Model

Pb

A

H

P

SOT-23 (TO-236) 2.90x1.30x1.00, 1.90P

1

260

REEL

3000

Y

Adjustable

2.5

0.5

0.04

0.04

36

0

70

$0.0963

More Details

NCP431BISNT1G

Active

CAD Model

Pb

A

H

P

SOT-23 (TO-236) 2.90x1.30x1.00, 1.90P

1

260

REEL

3000

Y

Adjustable

2.5

0.5

0.04

0.04

36

-40

85

$0.1284

More Details

NCP431BVSNT1G

Active

CAD Model

Pb

A

H

P

SOT-23 (TO-236) 2.90x1.30x1.00, 1.90P

1

260

REEL

3000

Y

Adjustable

2.5

0.5

0.04

0.04

36

-40

125

$0.079

More Details

NCP432BCSNT1G

Active

CAD Model

Pb

A

H

P

SOT-23 (TO-236) 2.90x1.30x1.00, 1.90P

1

260

REEL

3000

N

Adjustable

2.5

0.5

0.04

0.04

36

0

70

$0.1025

More Details

NCP432BISNT1G

Active

CAD Model

Pb

A

H

P

SOT-23 (TO-236) 2.90x1.30x1.00, 1.90P

1

260

REEL

3000

N

Adjustable

2.5

0.5

0.04

0.04

36

-40

85

$0.1025

More Details

NCP432BVSNT1G

Active

CAD Model

Pb

A

H

P

SOT-23 (TO-236) 2.90x1.30x1.00, 1.90P

1

260

REEL

3000

N

Adjustable

2.5

0.5

0.04

0.04

36

-40

125

$0.1056

More Details

SC431AVSNT1G

Active

CAD Model

Pb

A

H

P

SOT-23 (TO-236) 2.90x1.30x1.00, 1.90P

1

260

REEL

3000

Y

Adjustable

2.5

1

0.04

0.04

36

-40

125

$0.1867

More Details

SC431BVSNT1G

Active

CAD Model

Pb

A

H

P

SOT-23 (TO-236) 2.90x1.30x1.00, 1.90P

1

260

REEL

3000

Y

Adjustable

2.5

0.5

0.04

0.04

36

-40

125

$0.2

More Details

SC432BVSNT1G

Active

CAD Model

Pb

A

H

P

SOT-23 (TO-236) 2.90x1.30x1.00, 1.90P

1

260

REEL

3000

Y

Adjustable

2.5

0.5

0.04

0.04

36

-40

125

$0.2

More Details

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