Converters | NCP1406

ブーストコンバータ、PFM、DC-DC、25 V、25 mA

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NCP1406 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 25 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・イネーブル機能が組み込まれており、バッテリ動作寿命を延長します。 標準のブーストコンバータ・トポロジに加え、電圧反転/ステップダウン・アプリケーション向けに構成されています。 省スペース TSOP-5 パッケージで提供されます。 フットプリントが小さいので、3.3 V / 5.0 V パワー・レールからブーストされる電圧を生成するのにも最適です。

  • LCD Bias
  • White LED Driver
  • OLED Driver
  • Personal Digital Assistants (PDA)
  • Digital Still Camera
  • Cellular Telephone
  • Hand-held Games
  • Handheld Instrument
  • 85% Efficiency at VOUT = 25 V, IOUT = 25 mA, VIN = 5.0 V
  • Low Operating Current of 15 µA (Not Switching)
  • Low Shutdown Current of 0.3 µA
  • Low Start−up Voltage of 1.8 V Typical at 0 mA
  • Output Voltage up to 25 V with Built−in 26 V MOSFET Switch
  • PFM Switching Frequency up to 1.0 MHz
  • Chip Enable
  • Feedback Pin Open/Short Circuit Protection
  • Input Undervoltage Lockout
  • Output Voltage Soft-Start
  • Thermal Shutdown
  • Low Profile and Minimum External Parts
  • Micro Miniature TSOP-5 Package
  • Pb-Free Package is Available

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MSL Type

MSL Temp (°C)

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VCC Min (V)

VCC Max (V)

VO Typ (V)

IO Typ (A)

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Reference Price

NCP1406SNT1G

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CAD Model

Pb

A

H

P

TSOP-5 / SOT-23-5

483

1

260

REEL

3000

N

Step-Up

Current Mode

1.4

5.5

Up to 25

0.025

85

Up to 1000

Price N/A

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