Converters | NCP1403

ブーストコンバータ、PFM、DC-DC、15 V、50 mA

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NCP1403 はモノリシック PFM ステップアップ DC-DC コンバータです。ハンドヘルド・アプリケーション向けに、1 つのリチウムまたは 2 セルの AA/AAA のバッテリ電圧最大 15 V の出力を (内蔵 MOSFET により) ブーストする設計です。プルアップ・チップ・イネーブル機能が含まれていて、バッテリ動作寿命が延長されます。また、このデバイスはステップダウンおよび電圧反転構成でも構成できます。省スペース TSOP-5 パッケージで提供されます。

  • LCD Bias
  • Personal Digital Assistants (PDA)
  • Digital Still Camera
  • Hand-held Games
  • Hand-held Instrument
  • 82% Efficiency at VOUT = 15 V, IOUT = 50 mA, VIN = 5.0 V
  • 78% Efficiency at VOUT = 15 V, IOUT = 30 mA, VIN = 3.6 V
  • Low Operating Current of 19 µA (No Switching)
  • Low Shutdown Current of 0.3 µA
  • Low Start-up Voltage of 1.3 V Typical at 0 mA
  • Output Voltage up to 15 V with Built-in 16 V MOSFET Switch
  • PFM Switching Frequency up to 300 kHz
  • Chip Enable
  • Low Profile and Minimum External Parts
  • Micro Miniature TSOP-5 Package

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NCP1403SNT1G

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Pb

A

H

P

TSOP-5 / SOT-23-5

483

1

260

REEL

3000

N

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-

1.2

5.5

Up to 15

0.05

72

-

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