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NCP5383

ON Semiconductor
Part Number NCP5383
Manufacturer ON Semiconductor
Description 2 Phase Buck Controller
Published May 14, 2010
Detailed Description NCP5383 2 Phase Buck Controller with Integrated Gate Drivers and AVP The NCP5383 is a two phase buck controller used in ...
Datasheet PDF File NCP5383 PDF File

NCP5383
NCP5383


Overview
NCP5383 2 Phase Buck Controller with Integrated Gate Drivers and AVP The NCP5383 is a two phase buck controller used in low voltage, high current power supplies.
Dual-edge pulse-width modulation (PWM) combined with inductor current sensing and adaptive voltage positioning (AVP) reduces system cost by providing the fastest initial response to transient loads thereby requiring less bulk and ceramic output capacitors to satisfy transient load-line requirements.
A high performance operational error amplifier is provided, which allows for easy compensation of the system.
Protection features include overcurrent protection, undervoltage lockout (UVLO), www.
DataSheet4U.
com thermal shutdown and power good monitor.
Features http://onsemi.
com MARKING DIAGRAM 1 24 PIN QFN, 4x4 MN SUFFIX CASE 485L 5383 ALYWG G •ăDual-edge PWM for Fastest Initial Response to Transient Loading •ăHigh Performance Operational Error Amplifier •ă1% Internal Reference Voltage Accuracy •ăPhase-to-Phase Current Balancing •ă“Lossless” Differential Inductor Current Sensing •ăDifferential Current Sense Amplifiers for Each Phase •ăAdaptive Voltage Positioning (AVP) •ăFrequency Range: 100 kHz – 400 kHz Set by the Resistor •ăPower Good Output with Internal Delays •ăProgrammable Soft Start Time •ăIntegrated Gate Drivers •ăThis is a Pb-Free Device Applications 5383 A L Y W G = Specific Device Code = Assembly Location = Wafer Lot = Year = Work Week = Pb-Free Package (Note: Microdot may be in either location) PIN CONNECTIONS PG BST1 TG1 SWN1 PGND1 BG1 ROSC ILIM VCC AGND SS COMP VFB VDRP CS1 CSN CS2 EN (Top View) VCCP BG2 PGND2 SWN2 TG2 BST2 •ăPentium IV Processors •ăGraphics Cards •ăLow Voltage, High Current Power Supplies ORDERING INFORMATION Device NCP5383MNR2G Package Shipping† QFN-24 4000 / Tape & Reel (Pb-Free) †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.
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