LDO Regulator, 1 A, Fixed and Adjustable, Positive

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Overview

The NCP1117 series are low dropout (LDO) positive linear voltage regulators that are capable of providing an output current that is in excess of 1.0 A with a maximum dropout voltage of 1.2 V at 800 mA over temperature. This series contains eight fixed output voltages of 1.5 V, 1.8 V, 2.0 V, 2.5 V, 2.85 V, 3.3 V, 5.0 V, and 12 V that have no minimum load requirement to maintain regulation. Also included is an adjustable output version that can be programmed from 1.25 V to 18.8 V with two external resistors. On chip trimming adjusts the reference/output voltage to within +/- 1.0% accuracy. Internal protection features consist of output current limiting, safe operating area compensation, and thermal shutdown. The NCP1117 series can operate with up to 20 V input. Devices are available in SOT223 and DPAK packages.

  • Consumer and Industrial Equipment Point of Regulation
  • Active SCSI Termination for 2.85 V Version
  • Switching Power Supply Post Regulation
  • Hard Drive Controllers
  • Battery Chargers
  • Automotive
  • Direct replacement LM1117
  • Output Current in Excess of 1.0 A
  • 1.2 V Maximum Dropout Voltage at 800 mA Over Temperature
  • Fixed Output Voltages of 1.5 V, 1.8 V, 2.0 V, 2.5 V, 2.85 V, 3.3 V, 5.0 V, and 12 V
  • Adjustable Output Voltage Option
  • No Minimum Load Requirement for Fixed Voltage Output Devices
  • Reference/Output Voltage Trimmed to +/- 1.0%
  • Current Limit, Safe Operating and Thermal Shutdown Protection
  • Operation to 20 V Input
  • Pb-Free Packages are Available

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31

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CAD Models

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MSL Type

MSL Temp (°C)

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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

NCP1117DT12G

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Last Shipments

CAD Model

Pb

A

H

P

DPAK-3

1

260

TUBE

75

N

Single

Positive

12

1

2.4

20

1.2

6

54

360

No

No

Industrial

Price N/A

More Details

NCP1117DT12RKG

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Last Shipments

CAD Model

Pb

A

H

P

DPAK-3

1

260

REEL

2500

N

Single

Positive

12

1

2.4

20

1.2

6

54

360

No

No

Industrial

Price N/A

More Details

NCP1117DT15G

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Last Shipments

CAD Model

Pb

A

H

P

DPAK-3

1

260

TUBE

75

N

Single

Positive

1.5

1

2.4

20

1.2

4.3

72

45

No

No

Industrial

Price N/A

More Details

NCP1117DT15RKG

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Last Shipments

CAD Model

Pb

A

H

P

DPAK-3

1

260

REEL

2500

N

Single

Positive

1.5

1

2.4

20

1.2

4.3

72

45

No

No

Industrial

Price N/A

More Details

NCP1117DT18G

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Last Shipments

CAD Model

Pb

A

H

P

DPAK-3

1

260

TUBE

75

N

Single

Positive

1.8

1

2.4

20

1.2

4.3

72

54

No

No

Industrial

Price N/A

More Details

NCP1117DT18RKG

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Active

CAD Model

Pb

A

H

P

DPAK-3

1

260

REEL

2500

N

Single

Positive

1.8

1

2.4

20

1.2

4.3

72

54

No

No

Industrial

$0.2208

More Details

NCP1117DT18T5G

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Last Shipments

CAD Model

Pb

A

H

P

DPAK-3

1

260

REEL

2500

N

Single

Positive

1.8

1

2.4

20

1.2

4.3

72

54

No

No

Industrial

Price N/A

More Details

NCP1117DT20G

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Last Shipments

CAD Model

Pb

A

H

P

DPAK-3

1

260

TUBE

75

N

Single

Positive

2

1

2.4

20

1.2

4.5

70

60

No

No

Industrial

Price N/A

More Details

NCP1117DT20RKG

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Last Shipments

CAD Model

Pb

A

H

P

DPAK-3

1

260

REEL

2500

N

Single

Positive

2

1

2.4

20

1.2

4.5

70

60

No

No

Industrial

Price N/A

More Details

NCP1117DT25G

Loading...

Last Shipments

CAD Model

Pb

A

H

P

DPAK-3

1

260

TUBE

75

N

Single

Positive

2.5

1

2.4

20

1.2

5.2

68

75

No

No

Industrial

Price N/A

More Details

NCP1117DT25RKG

Loading...

Last Shipments

CAD Model

Pb

A

H

P

DPAK-3

1

260

REEL

2500

N

Single

Positive

2.5

1

2.4

20

1.2

5.2

68

75

No

No

Industrial

Price N/A

More Details

NCP1117DT25T5G

Loading...

Last Shipments

CAD Model

Pb

A

H

P

DPAK-3

1

260

REEL

2500

N

Single

Positive

2.5

1

2.4

20

1.2

5.2

68

75

No

No

Industrial

Price N/A

More Details

NCP1117DT285G

Loading...

Last Shipments

CAD Model

Pb

A

H

P

DPAK-3

1

260

TUBE

75

N

Single

Positive

2.85

1

2.4

20

1.2

5.5

68

85.5

No

No

Industrial

Price N/A

More Details

NCP1117DT285RKG

Loading...

Last Shipments

CAD Model

Pb

A

H

P

DPAK-3

1

260

REEL

2500

N

Single

Positive

2.85

1

2.4

20

1.2

5.5

68

85.5

No

No

Industrial

Price N/A

More Details

NCP1117DT33G

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Lifetime

CAD Model

Pb

A

H

P

DPAK-3

1

260

TUBE

75

N

Single

Positive

3.3

1

2.4

20

1.2

6

64

99

No

No

Industrial

$0.2537

More Details

NCP1117DT33RKG

Loading...

Active

CAD Model

Pb

A

H

P

DPAK-3

1

260

REEL

2500

N

Single

Positive

3.3

1

2.4

20

1.2

6

64

99

No

No

Industrial

$0.2259

More Details

NCP1117DT33T5G

Loading...

Active

CAD Model

Pb

A

H

P

DPAK-3

1

260

REEL

2500

N

Single

Positive

3.3

1

2.4

20

1.2

6

64

99

No

No

Industrial

$0.2261

More Details

NCP1117DT50G

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Lifetime

CAD Model

Pb

A

H

P

DPAK-3

1

260

TUBE

75

N

Single

Positive

5

1

2.4

20

1.2

6

61

150

No

No

Industrial

$0.2537

More Details

NCP1117DT50RKG

Loading...

Active

CAD Model

Pb

A

H

P

DPAK-3

1

260

REEL

2500

N

Single

Positive

5

1

2.4

20

1.2

6

61

150

No

No

Industrial

$0.2119

More Details

NCP1117DTAG

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Last Shipments

CAD Model

Pb

A

H

P

DPAK-3

1

260

TUBE

75

N

Single

Positive

Adj

1

2.4

20

1.2

3.6

73

-

No

No

Industrial

Price N/A

More Details

NCP1117DTARKG

Loading...

Active

CAD Model

Pb

A

H

P

DPAK-3

1

260

REEL

2500

N

Single

Positive

Adj

1

2.4

20

1.2

3.6

73

-

No

No

Industrial

$0.2147

More Details

NCP1117DTAT5G

Loading...

Last Shipments

CAD Model

Pb

A

H

P

DPAK-3

1

260

REEL

2500

N

Single

Positive

3.3

1

2.4

20

1.2

3.6

73

99

No

No

Industrial

Price N/A

More Details

NCP1117ST12T3G

Loading...

Active

CAD Model

Pb

A

H

P

SOT-223-4 / TO-261-4

1

260

REEL

4000

N

Single

Positive

12

1

2.4

20

1.2

6

54

360

No

No

Industrial

$0.24

More Details

NCP1117ST15T3G

Loading...

Active

CAD Model

Pb

A

H

P

SOT-223-4 / TO-261-4

1

260

REEL

4000

N

Single

Positive

1.5

1

2.4

20

1.2

4.3

72

45

No

No

Industrial

$0.24

More Details

NCP1117ST18T3G

Loading...

Active

CAD Model

Pb

A

H

P

SOT-223-4 / TO-261-4

1

260

REEL

4000

N

Single

Positive

1.8

1

2.4

20

1.2

4.3

72

54

No

No

Industrial

$0.24

More Details

NCP1117ST20T3G

Loading...

Last Shipments

CAD Model

Pb

A

H

P

SOT-223-4 / TO-261-4

1

260

REEL

4000

N

Single

Positive

2

1

2.4

20

1.2

4.5

70

60

No

No

Industrial

Price N/A

More Details

NCP1117ST25T3G

Loading...

Active

CAD Model

Pb

A

H

P

SOT-223-4 / TO-261-4

1

260

REEL

4000

N

Single

Positive

2.5

1

2.4

20

1.2

5.2

68

75

No

No

Industrial

$0.24

More Details

NCP1117ST285T3G

Loading...

Obsolete

CAD Model

Pb

A

H

P

SOT-223-4 / TO-261-4

1

260

REEL

4000

N

Single

Positive

2.85

1

2.4

20

1.2

5.5

68

85.5

No

No

Industrial

Price N/A

More Details

NCP1117ST33T3G

Loading...

Active

CAD Model

Pb

A

H

P

SOT-223-4 / TO-261-4

1

260

REEL

4000

N

Single

Positive

3.3

1

2.4

20

1.2

6

64

99

No

No

Industrial

$0.24

More Details

NCP1117ST50T3G

Loading...

Active

CAD Model

Pb

A

H

P

SOT-223-4 / TO-261-4

1

260

REEL

4000

N

Single

Positive

5

1

2.4

20

1.2

6

61

150

No

No

Industrial

$0.24

More Details

NCP1117STAT3G

Loading...

Active

CAD Model

Pb

A

H

P

SOT-223-4 / TO-261-4

1

260

REEL

4000

N

Single

Positive

Adj

1

2.4

20

1.2

3.6

73

-

No

No

Industrial

$0.24

More Details

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