Linear Regulators (LDO) | LM317

リニア電圧レギュレータ、1.5 A、高PSRR、調整可能、正

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Overview

低ドロップアウト（LDO）リニア電圧レギュレータLM317は調整可能な3端子のLDO正電圧レギュレータで、出力電圧範囲1.2 V～37 Vで1.5 Aを超えて供給できます。非常に使いやすく、出力電圧を設定するのに必要な外部抵抗器は2つだけです。さらに、内部電流制限、サーマル・シャットダウン、安全領域補償を採用しているため、実質的にブローアウト・プルーフです。LM317は、ローカルのオンカード・レギュレーションを含む広範なアプリケーションに対応します。プログラム可能な出力レギュレータの作製にも使用できます。調整と出力との間を固定抵抗器で接続すれば、LM317は高精度電流レギュレータとして使用できます。

  • Output Current in Excess of 1.5 A
  • Output Adjustable between 1.2 V and 37 V
  • Internal Thermal Overload Protection
  • Internal Short Circuit Current Limiting Constant with Temperature
  • Output Transistor Safe-Area Compensation
  • Floating Operation for High Voltage Applications
  • Eliminates Stocking many Fixed Voltages Standard Application
  • Automotive Device for Wide Temperature Range - NCV317
  • Pb-Free Packages are Available

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MSL Temp (°C)

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Output

Polarity

VO (V)

IO Typ (A)

VI Min (V)

VI Max (V)

VDO Typ (V)

Iq Typ (mA)

PSRR (dB)

Noise (µVrms)

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LM317BD2TG

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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

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LM317BD2TR4G

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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

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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

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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

$0.3248

More Details

LM317D2TR4G

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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

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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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信頼性データ

Die Related Summary Data

Device: LM317BD2TR4G

Equivalent to wafer fab process: BP STD LINEAR

製品技術

製品技術

等価デバイス時間

MTBF/MTTF (時間)

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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