Linear Regulators (LDO) | NCP3985

150 mA 低ノイズ、低ドロップアウト・リニア電圧レギュレータ

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Overview

NCP3985 は 150 mA の LDO リニア電圧レギュレータであり、影響を受けやすいアプリケーションに適した低ノイズと高い電源除去比 (PSRR) で非常に安定した正確な電圧をエンジニアに提供します。バッテリ駆動のポータブル・アプリケーションのパフォーマンスを最適化するために、NCP3985 は、高度な BiCMOS プロセスを採用し、CMOS が提供する最大負荷での非常に低いグランド電流消費と、低ノイズとバイポーラ素子の優れた動的性能の利点とを組み合わせています。NCP3985 は小さく、低い値のキャパシタで安定しており、TSOP-5 パッケージで提供されます。

  • Cellular Telephones
  • Noise Sensitive Applications (Video, Audio)
  • Analog Power Supplies
  • PDAs / Palmtops / Organizers / GPS
  • Battery Supplied Devices

  • Output Voltage Options:
    1.8 V, 2.8 V, 3.0 V
    Contact Factory for Other Voltage Options
  • Output Current Limit 200 mA
  • Low Noise (typ 20 µVrms)
  • High PSRR (typ 70 dB)
  • Stable with Ceramic Output Capacitors as low as 1 µF
  • Low Sleep Mode Current (max 1 µA)
  • Active Discharge Circuit
  • Current Limit Protection
  • Thermal Shutdown Protection
  • Direct Replacement for LP3985
  • These are Pb-Free Devices

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Case Outline

MSL Type

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)

Enable

PowerGood

Application

Reference Price

NCP3985SN18T1G

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Obsolete

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CAD Model

Pb

A

H

P

TSOP-5 / SOT-23-5

483

1

260

REEL

3000

N

Single

Positive

1.8

0.15

2.5

5.5

0.7

0.07

70

20

Yes

No

-

Price N/A

More Details

NCP3985SN25T1G

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Obsolete

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CAD Model

Pb

A

H

P

TSOP-5 / SOT-23-5

483

1

260

REEL

3000

N

Single

Positive

2.5

0.15

2.5

5.5

0.105

0.07

70

20

Yes

No

-

Price N/A

More Details

NCP3985SN275T1G

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CAD Model

Pb

A

H

P

TSOP-5 / SOT-23-5

483

1

260

REEL

3000

N

Single

Positive

2.75

0.15

2.5

5.5

0.105

0.07

70

20

Yes

No

-

Price N/A

More Details

NCP3985SN28T1G

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Obsolete

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CAD Model

Pb

A

H

P

TSOP-5 / SOT-23-5

483

1

260

REEL

3000

N

Single

Positive

2.8

0.15

2.5

5.5

0.105

0.07

70

20

Yes

No

-

Price N/A

More Details

NCP3985SN30T1G

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Obsolete

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CAD Model

Pb

A

H

P

TSOP-5 / SOT-23-5

483

1

260

REEL

3000

N

Single

Positive

3

0.15

2.5

5.5

0.1

0.07

70

20

Yes

No

-

Price N/A

More Details

NCP3985SN33T1G

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Obsolete

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CAD Model

Pb

A

H

P

TSOP-5 / SOT-23-5

483

1

260

REEL

3000

N

Single

Positive

3.3

0.15

2.5

5.5

0.1

0.07

70

20

Yes

No

-

Price N/A

More Details

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