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NCP3163PWR2G Datasheet(PDF) 1 Page - ON Semiconductor |
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NCP3163PWR2G Datasheet(HTML) 1 Page - ON Semiconductor |
1 / 20 page © Semiconductor Components Industries, LLC, 2010 April, 2010 − Rev. 7 1 Publication Order Number: NCP3163/D NCP3163, NCV3163 3.4 A, Step-Up/Down/ Inverting 50-300 kHz Switching Regulator The NCP3163 Series is a performance enhancement to the popular MC33163 and MC34163 monolithic DC−DC converters. These devices consist of an internal temperature compensated reference, comparator, controlled duty cycle oscillator with an active current limit circuit, driver and high current output switch. This controller was specifically designed to be incorporated in step−down, step−up, or voltage−inverting applications with a minimum number of external components. The NCP3163 comes in an exposed pad package which can greatly increase the power dissipation of the built in power switch. Features • Output Switch Current in Excess of 3.0 A • 3.4 A Peak Switch Current • Frequency is Adjustable from 50 kHz to 300 kHz • Operation from 2.5 V to 40 V Input • Externally Adjustable Operating Frequency • Precision 2% Reference for Accurate Output Voltage Control • Driver with Bootstrap Capability for Increased Efficiency • Cycle−by−Cycle Current Limiting • Internal Thermal Shutdown Protection • Low Voltage Indicator Output for Direct Microprocessor Interface • Exposed Pad Power Package • Low Standby Current • NCV Prefix for Automotive and Other Applications Requiring Site and Change Control • These are Pb−Free Devices + 16 9 10 11 12 13 14 15 8 7 6 5 4 3 2 LVI Oscillator + + - Current Limit Figure 1. Typical Buck Application Circuit (Bottom View) - + + + - 1 VCC VCC VCC Vin Cin Thermal Vout + CO R S Q See detailed ordering and shipping information in the package dimensions section on page 18 of this data sheet. ORDERING INFORMATION MARKING DIAGRAMS NCx3163y = Specific Device Code x = P or V y = blank or B A = Assembly Location WL = Wafer Lot YY = Year WW = Work Week G or G = Pb−Free Package 1 16 SOIC−16W EXPOSED PAD PW SUFFIX CASE 751AG http://onsemi.com 16 1 NCx3163yPW AWLYYWWG *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. 18−LEAD DFN MN SUFFIX CASE 505 1 NCx3163y AWLYYWW G G 118 18 (Note: Microdot may be in either location) |
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