Converters | NCP1593

同期降圧レギュレータ、1 MHz、3.0 A

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NCP1593 は固定 1 MHz、高出力電流、同期 PWM コンバータで、低抵抗、ハイサイド P チャネル MOSFET およびローサイド N チャネル MOSFET を内蔵しています。NCP1593 は、内部補正された電流モード制御を利用して、良好な過渡応答、容易な実装、優れたループ安定性を提供します。入力電圧を 4.0 V から 5.5 V まで調整し、出力電圧を 0.6 V という低さまで下げ、最大 3 A の負荷電流を供給できます。 NCP1593 は、内部固定されたスイッチング周波数 (FSW)、内部ソフトスタートがあり、突入電流を制限します。その他の機能には、サイクル単位の電流制限、デューティ比 100% 操作、短絡保護、省電力モードおよびサーマル・シャットダウンがあります。

  • +5Vin buck regulator
  • DVD Drives and HDD
  • Notebook Computing
  • Set-Top-Box (STB)
  • Wide Input Voltage Range: from 4.0 V to 5.5 V
  • Internal 90 mΩ High-Side P-Channel MOSFET and 70 mΩ Low-Side N-Channel MOSFET
  • Fixed 1 MHz Switching Frequency
  • Cycle-by-Cycle Current Limiting
  • Hiccup Mode Short-Circuit Protection
  • Overtemperature Protection
  • Internal Fixed SoftStart with External Adjustment
  • Start-up with Pre-Biased Output Load
  • Adjustable Output Voltage Down to 0.6 V
  • Auto Power Saving Mode During Light Load
  • 100% Duty Cycle Operation

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NCP1593AMNTWG

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Active

CAD Model

Pb

A

H

P

DFN-10

485C

1

260

REEL

3000

Y

Step-Down

Current Mode

4

5.5

0.6 - 5.0

3

90

1000

$0.482

More Details

NCP1593BMNTWG

Loading...

Active

CAD Model

Pb

A

H

P

DFN-10

485C

1

260

REEL

3000

Y

Step-Down

Current Mode

4

5.5

0.6 - 5.0

3

90

1000

$0.482

More Details

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