Linear Regulators (LDO) | LM317

线性电压稳压器，1.5A，高PSRR，可调，正向

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概览

LM317低压差（LDO）线性稳压器是一款可调3端正向LDO稳压器，能够在1.2V至37V的输出电压范围内提供1.5A以上的电流。这款稳压器使用非常简便，仅需两个外部电阻即可设置输出电压。另外，它提供内部电流限制、高温关断和安全区域补偿，真正实现防爆性能。

LM317适用于多种应用，包括局部、片上调节。这款器件还可用于制造可编程输出稳压器，或通过在调节和输出之间联接一个固定电阻用作精确电流稳压器。

  • 1.5A以上的输出电流
  • 1.2V至37V输出电压可调
  • 内部热过载保护
  • 内部短路电流限制常数随温度变化
  • 输出晶体管安全区域补偿
  • 适用于高压应用的浮动运行
  • 无需储存过多固定电压标准应用
  • 宽温度范围汽车器件版本查看NCV317
  • 无铅封装可选

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Product services, tools and other useful resources related to LM317

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可订购器件:

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状态

CAD Models

Compliance

Package Type

Case Outline

MSL Type

MSL Temp (°C)

Container Type

Container Qty.

ON Target

Output

Polarity

VO (V)

IO Typ (A)

VI Min (V)

VI Max (V)

VDO Typ (V)

Iq Typ (mA)

PSRR (dB)

Noise (µVrms)

Enable

PowerGood

Application

Reference Price

LM317BD2TG

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Active

CAD Model

Pb

A

H

P

D2PAK-3

936-03

1

260

TUBE

50

N

Single

Positive

Adj

1.5

2.8

40

2.25

-

80

-

No

No

Industrial

$0.3067

More Details

LM317BD2TR4G

Contact Sales

Active

CAD Model

Pb

A

H

P

D2PAK-3

936-03

1

260

REEL

800

N

Single

Positive

Adj

1.5

2.8

40

2.25

-

80

-

No

No

Industrial

$0.3067

More Details

LM317BTG

Contact Sales

Active

CAD Model

Pb

A

H

P

TO-220-3

221AB

NA

0

TUBE

50

N

Single

Positive

Adj

1.5

2.8

40

2.25

-

80

-

No

No

Industrial

$0.3124

More Details

LM317D2TG

Contact Sales

Active

CAD Model

Pb

A

H

P

D2PAK-3

936-03

1

260

TUBE

50

N

Single

Positive

Adj

1.5

2.8

40

2.25

-

80

-

No

No

Industrial

$0.3248

More Details

LM317D2TR4G

Contact Sales

Active

CAD Model

Pb

A

H

P

D2PAK-3

936-03

1

260

REEL

800

N

Single

Positive

Adj

1.5

2.8

40

2.25

-

80

-

No

No

Industrial

$0.3333

More Details

LM317TG

Contact Sales

Active

CAD Model

Pb

A

H

P

TO-220-3

221AB

NA

0

TUBE

50

N

Single

Positive

Adj

1.5

2.9

40

2.25

-

80

-

No

No

Industrial

$0.3332

More Details

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可靠性数据

Die Related Summary Data

Device: LM317BD2TR4G

Equivalent to wafer fab process: BP STD LINEAR

产品技术

产品技术

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

More Details

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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