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

Product

Status

ECAD 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

Pricing ($/Unit)

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NCP1117ST18T3G

Active

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

NCP1117DT33G

Active

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

Active

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

NCP1117ST12T3G

Active

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

Active

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

NCP1117ST33T3G

Active

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

NCP1117DT18RKG

Active

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

NCP1117DTARKG

Active

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

NCP1117DT50RKG

Active

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

$0.2096

More Details

NCP1117DT33T5G

Active

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

NCP1117ST25T3G

Active

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

NCP1117DT50G

Active

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

NCP1117STAT3G

Active

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

NCP1117ST50T3G

Active

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

NCP1117DT20G

Last Shipments

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

NCP1117DT18T5G

Last Shipments

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

NCP1117DT12RKG

Last Shipments

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

NCP1117DT18G

Last Shipments

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

NCP1117DT15G

Last Shipments

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

NCP1117DT12G

Last Shipments

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

NCP1117DT25G

Last Shipments

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

NCP1117DT285RKG

Last Shipments

Pb