Converters | NCP1529

降圧コンバータ、DC-DC、高効率、調整可能出力電圧、低リップル、1.7 MHz、1 A

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ステップダウンDC-DCコンバータNCP1529はモノリシック集積回路で、1セル・リチウムイオン・バッテリか3セル・アルカリ/NiCd/NiMHバッテリを電源とするポータブル・アプリケーション向きです。最大1.0 Aを供給できます。出力範囲は外部から0.9 V～3.9 Vの間で調整したり1.2 Vか1.35 Vに固定したりできます。同期整流を使用して、効率を向上して、外部パーツの数を減らします。1.7 MHz（公称）発振器も組み込んでおり、小型のインダクタやキャパシタが許容されるため、コンポーネント・サイズが縮小します。自動スイッチングPWM/PFMモードでシステムの効率性が向上します。内蔵のソフトスタート、サイクル単位の電流制限、サーマル・シャットダウン保護の機能もあります。NCP1529は、省スペース低プロファイルの2x2x0.5 mm UDFN6パッケージとTSOP-5パッケージで提供されます。

  • Battery powered applications power management
  • Power supply for processor with low core voltage
  • USB powered devices
  • Low Voltage DC rails power management
  • Cellular phones, smart phones, and PDAs
  • MP3 players and portable audio systems
  • 96% efficiency, 28 uA quiescent current, 0.3 uA shutdown current
  • 1.7 MHz switching frequency
  • Auto-switching between PWM and PFM mode at light load conditions
  • Adjustable output voltage from 0.9V to 3.9V
  • Best in class Low Ripple even in PFM mode

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Reference Price

NCP1529ASNT1G

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Lifetime

CAD Model

Pb

A

H

P

TSOP-5 / SOT-23-5

483

1

260

REEL

3000

N

Step-Down

Current Mode

2.7

5.5

0.9 to 3.9

1

96

1700

Price N/A

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NCP1529MU12TBG

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Obsolete

CAD Model

Pb

A

H

P

UDFN-6

517AB

1

260

REEL

3000

N

Step-Down

Current Mode

2.7

5.5

1.2

1

86

1700

Price N/A

More Details

NCP1529MUTBG

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Lifetime

CAD Model

Pb

A

H

P

UDFN-6

517AB

1

260

REEL

3000

N

Step-Down

Current Mode

2.7

5.5

0.9 to 3.9

1

96

1700

$0.32

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