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ST1S10PHR データシート (PDF) - STMicroelectronics

ST1S10PHR Datasheet PDF - STMicroelectronics
部品番号 ST1S10PHR
ダウンロード  ST1S10PHR ダウンロード

ファイルサイズ   787.14 Kbytes
ページ   26 Pages
メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics
部品情報 3 A, 900 kHz, monolithic synchronous step-down regulator

ST1S10PHR Datasheet (PDF)

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ST1S10PHR Datasheet PDF - STMicroelectronics

部品番号 ST1S10PHR
ダウンロード  ST1S10PHR Click to download

ファイルサイズ   787.14 Kbytes
ページ   26 Pages
メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics
部品情報 3 A, 900 kHz, monolithic synchronous step-down regulator

ST1S10PHR データシート (HTML) - STMicroelectronics

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ST1S10PHR 製品詳細

Description
The ST1S10 is a high efficiency step-down PWM current mode switching regulator capable of providing up to 3 A of output current. The device operates with an input supply range from 2.5 V to 18 V and provides an adjustable output voltage from 0.8 V (VFB) to 0.85*VIN_SW [VOUT = VFB*(1+R1/R2)]. It operates either at a 900 kHz fixed frequency or can be synchronized to an external clock (from 400 kHz to 1.2 MHz). The high switching frequency allows the use of tiny SMD external components, while the integrated synchronous rectifier eliminates the need for a Schottky diode. The ST1S10 provides excellent transient response, and is fully protected against thermal overheating, switching over-current and output short circuit.
The ST1S10 is the ideal choice for point-of-load regulators or LDO pre-regulation.

Features
■ Step-down current mode PWM regulator
■ Output voltage adjustable from 0.8 V
■ Input voltage from 2.5 V up to 18 V
■ 2% DC output voltage tolerance
■ Synchronous rectification
■ Inhibit function
■ Synchronizable switching frequency from 400 kHz up to 1.2 MHz
■ Internal soft start
■ Dynamic short circuit protection
■ Typical efficiency: 90%
■ 3 A output current capability
■ Stand-by supply current: max 6 µA over temperature range
■ Operative junction temp: from -25°C to 125°C

Applications
■ Consumer
   – STB, DVD, DVD recorders, TV, VCR, car audio, LCD monitors
■ Networking
   – XDSL, modems, DC-DC modules
■ Computer
   – Optical storage, HD drivers, printers, audio/graphic cards
■ Industrial and security
   – Battery chargers, DC-DC converters, PLD, PLA, FPGA, LED drivers




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STMicroelectronics について


Stmicroelectronicsは、スイスのジュネーブに拠点を置く多国籍の電子機器および半導体メーカーです。

同社は、自動車、産業、消費者市場のさまざまなアプリケーション向けに、マイクロコントローラー、センサー、パワーアンプ、統合サーキットなど、幅広い製品を提供しています。

1987年に設立されたStmicroelectronicsは、100か国以上で事業を展開しており、世界最大の半導体企業の1つです。

*この情報はあくまでも一般的な情報であり、上記の情報によって生じたいかなる損失や損害についても責任を負うものではありません。




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