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NCP9001 Folha de dados(PDF) 1 Page - ON Semiconductor |
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NCP9001 Folha de dados(HTML) 1 Page - ON Semiconductor |
1 / 12 page © Semiconductor Components Industries, LLC, 2006 August, 2006 − Rev. 2 1 Publication Order Number: NCP9001/D NCP9001 1.5 MHz, 600 mA, High−Efficiency, Low Quiescent Current, Adjustable Output Voltage Step−Down Converter The NCP9001 step−down PWM DC−DC converter is optimized for portable applications powered from one cell Li−ion or three cell Alkaline/NiCd/NiMH batteries. The device is available in an adjustable output voltage from 0.9 V to 3.3 V. It uses synchronous rectification to increase efficiency and reduce external part count. The device also has a built−in 1.5 MHz (nominal) oscillator which reduces component size by allowing a small inductor and capacitors. Automatic switching PWM/PFM mode offers improved system efficiency. Finally, it includes an integrated soft−start, cycle−by−cycle current limiting, and thermal shutdown protection. The NCP9001 is available in the space saving, low profile TSOP5 package. Features • 95.3% of Efficiency for 3.3 V Output and 4.2 V Input and 80 mA Load−Current • Sources up to 600 mA • 1.5 MHz Switching Frequency • Adjustable Output Voltage from 0.9 V to 3.3 V • 30 mA Quiescent Current • Synchronous Rectification for Higher Efficiency • 2.7 V to 5.5 V Input Voltage Range • Thermal Limit Protection • Shutdown Current Consumption of 0.3 mA • Short Circuit Protection • This is a Pb−Free Device Typical Applications • Cellular Phones, Smart Phones and PDAs • Digital Still/Video Cameras • MP3 Players and Portable Audio Systems • Wireless and DSL Modems • Portable Equipment • USB Powered Devices GND 2 VIN 1 EN 3 LX 5 FB 4 OFF ON VIN CIN COUT R1 R2 Cff Figure 1. Typical Application L VOUT TSOP−5 SN SUFFIX CASE 483 http://onsemi.com MARKING DIAGRAM 1 5 Device Package Shipping ORDERING INFORMATION NCP9001SNT1G TSOP−5 (Pb−Free) 3000/Tape & Reel †For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specification Brochure, BRD8011/D. DBP = Specific Device Code A = Assembly Location Y = Year W = Work Week G = Pb−Free Package (Note: Microdot may be in either location) 1 5 DBPAYWG G |
Nº de peça semelhante - NCP9001 |
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Descrição semelhante - NCP9001 |
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