Linear Regulators (LDO) | LM317M

Linear Voltage Regulator, 500 mA, High PSRR, Adjustable, Positive

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Overview

The LM317M is an adjustable three-terminal positive linear voltage regulator capable of supplying in excess of 500 mA over an output voltage range of 1.2 V to 37 V. This linear 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 LM317M serves a wide variety of applications including local, on-card regulation. This linear voltage regulator also makes an especially simple adjustable switching regulator, a programmable output regulator, or by connecting a fixed resistor between the adjustment and output, the LM317M can be used as a precision current regulator.

  • White Goods and Appliances
  • Desktop PCs
  • Energy Harvesting
  • Telematics and Infotaiinment

  • Consumer Products
  • Automotive

  • Output Current in Excess of 500 mA
  • Output Adjustable between 1.2 V and 37 V
  • Internal Thermal Overload Protection
  • Internal Short Circuit Current Limiting
  • Output Transistor Safe-Area Compensation
  • Floating Operation for High Voltage Applications
  • Eliminates Stocking Many Fixed Voltages
  • Pb-Free Packages are Available
  • NCV Prefix for Automotive and Other Applications Requiring Site Control Changes

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CAD Models

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MSL Type

MSL Temp (°C)

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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

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Reference Price

LM317MABDT

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CAD Model

Pb

A

H

P

DPAK-3

369C

1

235

TUBE

75

N

Single

Positive

Adj

0.5

3.1

40

2.1

-

80

-

No

No

Industrial

Price N/A

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LM317MABDTG

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CAD Model

Pb

A

H

P

DPAK-3

369C

1

260

TUBE

75

N

Single

Positive

Adj

0.5

3.1

40

2.1

-

80

-

No

No

Industrial

$0.1788

More Details

LM317MABDTRK

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Obsolete

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CAD Model

Pb

A

H

P

DPAK-3

369C

1

235

REEL

2500

N

Single

Positive

Adj

0.5

3.1

40

2.1

-

80

-

No

No

Industrial

Price N/A

More Details

LM317MABDTRKG

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Active

CAD Model

Pb

A

H

P

DPAK-3

369C

1

260

REEL

2500

N

Single

Positive

Adj

0.5

3.1

40

2.1

-

80

-

No

No

Industrial

$0.1788

More Details

LM317MABT

Loading...

Obsolete

Similar Products
CAD Model

Pb

A

H

P

TO-220-3

221AB

NA

0

TUBE

50

N

Single

Positive

Adj

0.5

3.1

40

2.1

-

80

-

No

No

Industrial

Price N/A

More Details

LM317MABTG

Loading...

Active

CAD Model

Pb

A

H

P

TO-220-3

221AB

NA

0

TUBE

50

N

Single

Positive

Adj

0.5

3.1

40

2.1

-

80

-

No

No

Industrial

$0.2787

More Details

LM317MADTRK

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Obsolete

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CAD Model

Pb

A

H

P

DPAK-3

369C

1

235

REEL

2500

N

Single

Positive

Adj

0.5

3.1

40

2.1

-

80

-

No

No

Industrial

Price N/A

More Details

LM317MADTRKG

Loading...

Active

CAD Model

Pb

A

H

P

DPAK-3

369C

1

260

REEL

2500

N

Single

Positive

Adj

0.5

3.1

40

2.1

-

80

-

No

No

Industrial

$0.1788

More Details

LM317MBDT

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Obsolete

Similar Products
CAD Model

Pb

A

H

P

DPAK-3

369C

1

235

TUBE

75

N

Single

Positive

Adj

0.5

3.1

40

2.1

-

80

-

No

No

Industrial

Price N/A

More Details

LM317MBDTG

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Active

CAD Model

Pb

A

H

P

DPAK-3

369C

1

260

TUBE

75

N

Single

Positive

Adj

0.5

3.1

40

2.1

-

80

-

No

No

Industrial

$0.1927

More Details

LM317MBDTRK

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Obsolete

Similar Products
CAD Model

Pb

A

H

P

DPAK-3

369C

1

235

REEL

2500

N

Single

Positive

Adj

0.5

3.1

40

2.1

-

80

-

No

No

Industrial

Price N/A

More Details

LM317MBDTRKG

Loading...

Active

CAD Model

Pb

A

H

P

DPAK-3

369C

1

260

REEL

2500

N

Single

Positive

Adj

0.5

3.1

40

2.1

-

80

-

No

No

Industrial

$0.22

More Details

LM317MBSTT3

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CAD Model

Pb

A

H

P

SOT-223-4 / TO-261-4D

0.0318

1

235

REEL

4000

N

Single

Positive

Adj

0.5

3.1

40

2.1

-

80

-

No

No

Industrial

Price N/A

More Details

LM317MBSTT3G

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Active

CAD Model

Pb

A

H

P

SOT-223-4 / TO-261-4D

0.0318

1

260

REEL

4000

N

Single

Positive

Adj

0.5

3.1

40

2.1

-

80

-

No

No

Industrial

$0.1636

More Details

LM317MBT

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Obsolete

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CAD Model

Pb

A

H

P

TO-220-3

221AB

NA

0

TUBE

50

N

Single

Positive

Adj

0.5

3.1

40

2.1

-

80

-

No

No

Industrial

Price N/A

More Details

LM317MBTG

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Active

CAD Model

Pb

A

H

P

TO-220-3

221AB

NA

0

TUBE

50

N

Single

Positive

Adj

0.5

3.1

40

2.1

-

80

-

No

No

Industrial

$0.2572

More Details

LM317MDT

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Obsolete

Similar Products
CAD Model

Pb

A

H

P

DPAK-3

369C

1

235

TUBE

75

N

Single

Positive

Adj

0.5

3.1

40

2.1

-

80

-

No

No

Industrial

Price N/A

More Details

LM317MDTG

Loading...

Active

CAD Model

Pb

A

H

P

DPAK-3

369C

1

260

TUBE

75

N

Single

Positive

Adj

0.5

3.1

40

2.1

-

80

-

No

No

Industrial

$0.1803

More Details

LM317MDTRK

Loading...

Obsolete

Similar Products
CAD Model

Pb

A

H

P

DPAK-3

369C

1

235

REEL

2500

N

Single

Positive

Adj

0.5

3.1

40

2.1

-

80

-

No

No

Industrial

Price N/A

More Details

LM317MDTRKG

Loading...

Active

CAD Model

Pb

A

H

P

DPAK-3

369C

1

260

REEL

2500

N

Single

Positive

Adj

0.5

3.1

40

2.1

-

80

-

No

No

Industrial

$0.18

More Details

LM317MSTT3

Loading...

Obsolete

Similar Products
CAD Model

Pb

A

H

P

SOT-223-4 / TO-261-4D

0.0318

1

235

REEL

4000

N

Single

Positive

Adj

0.5

3.1

40

2.1

-

80

-

No

No

Industrial

Price N/A

More Details

LM317MSTT3G

Loading...

Active

CAD Model

Pb

A

H

P

SOT-223-4 / TO-261-4D

0.0318

1

260

REEL

4000

N

Single

Positive

Adj

0.5

3.1

40

2.1

-

80

-

No

No

Industrial

$0.1872

More Details

LM317MTG

Loading...

Active

CAD Model

Pb

A

H

P

TO-220-3

221AB

NA

0

TUBE

50

N

Single

Positive

Adj

0.5

3.1

40

2.1

-

80

-

No

No

Industrial

$0.2572

More Details

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Reliability Data

Die Related Summary Data

Device: LM317MBDTRKG

Equivalent to wafer fab process: BP STD LINEAR

Product Technology

Product Technology

Equivalent Device-Hours

MTBF/MTTF in Hours

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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