Converters | NCP1522B

降圧コンバータ、DC-DC、3 MHz、600 mA

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ステップダウン DC-DC コンバータ NCP1522B 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けに最適化されています。このパーツは、0.9 V から 3.3 V の範囲まで調整可能な出力電圧バージョンで提供され、最大 600 mA まで供給できます。同期整合を使用して、効率を上げ、外部パーツの数を減らします。3 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。NCP1522B は、省スペース薄型の TSOP5 および UDFN6 パッケージで提供されます。

  • Power supply for application processor
  • Power supply for processor with low core voltage
  • Cellular phones, smart phones, and PDAs
  • MP3 players and portable audio systems
  • Digital still cameras and video cameras
  • 94% efficiency, 50 uA quiescent current, 0.3 uA shutdown current
  • 3.0 MHz switching frequency
  • Auto-switching between PWM and PFM mode at light load conditions
  • Adjustable output voltage from 0.9V to 3.3V

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NCP1522BMUTBG

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Obsolete

CAD Model

Pb

A

H

P

UDFN-6

517AB

1

260

REEL

3000

N

Step-Down

Voltage Mode

2.7

5.5

0.9 to 3.3

0.6

95

3000

Price N/A

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NCP1522BSNT1G

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Obsolete

CAD Model

Pb

A

H

P

TSOP-5 / SOT-23-5

483

1

260

REEL

3000

N

Step-Down

Voltage Mode

2.7

5.5

0.9 to 3.3

0.6

95

3000

Price N/A

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