Linear Voltage Regulator, 1.5 A, High PSRR, Adjustable, Positive

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Overview

The LM317 Low Dropout (LDO) Linear Voltage Regulator is an adjustable 3-terminal positive LDO voltage regulator capable of supplying in excess of 1.5 A over an output voltage range of 1.2 V to 37 V. This voltage regulator is exceptionally easy to use and requires only two external resistors to set the output voltage. Further, it employs internal current limiting, thermal shutdown and safe area compensation, making it essentially blow-out proof.

The LM317 serves a wide variety of applications including local, on card regulation. This device can also be used to make a programmable output regulator, or by connecting a fixed resistor between the adjustment and output, the LM317 can be used as a precision current regulator.

  • 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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Status

CAD Models

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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

1

260

TUBE

50

N

Single

Positive

Adj

1.5

2.8

40

2.25

-

80

-

No

No

Industrial

$0.3067

More Details

LM317BD2TR4G

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Active

CAD Model

Pb

A

H

P

D2PAK-3

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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Active

CAD Model

Pb

A

H

P

TO-220-3

NA

0

TUBE

50

N

Single

Positive

Adj

1.5

2.8

40

2.25

-

80

-

No

No

Industrial

$0.3867

More Details

LM317D2TG

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Active

CAD Model

Pb

A

H

P

D2PAK-3

1

260

TUBE

50

N

Single

Positive

Adj

1.5

2.8

40

2.25

-

80

-

No

No

Industrial

$0.3248

More Details

LM317D2TR4G

Loading...

Active

CAD Model

Pb

A

H

P

D2PAK-3

1

260

REEL

800

N

Single

Positive

Adj

1.5

2.8

40

2.25

-

80

-

No

No

Industrial

$0.3333

More Details

LM317TG

Loading...

Active

CAD Model

Pb

A

H

P

TO-220-3

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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