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NCP81248

ON Semiconductor
Part Number NCP81248
Manufacturer ON Semiconductor
Description Three-Rail Controller
Published Oct 18, 2016
Detailed Description NCP81248 Three-Rail Controller with Intel Proprietary Interface for IMVP8 CPU Applications The NCP81248 contains a two...
Datasheet PDF File NCP81248 PDF File

NCP81248
NCP81248

Overview
NCP81248 Three-Rail Controller with Intel Proprietary Interface for IMVP8 CPU Applications The NCP81248 contains a two−phase, and two single−phase buck regulator controllers optimized for Intel IMVP8 compatible CPUs.
www.
onsemi.
com The two−phase controller combines true differential voltage sensing, differential inductor DCR current sensing, input voltage feed−forward, and adaptive voltage positioning to provide accurately regulated power for IMVP8 CPU.
MARKING DIAGRAM The two single−phase controllers make use of ON Semiconductor’s patented high performance RPM operation.
RPM control maximizes transient response while allowing smooth transitions between discontinuous frequency scaling operation and continuous mode full power operation.
The single−phase rails have a low offset current 1 48 QFN48 CASE 485BA NCP81248 FAWLYYWW G monitor amplifier with programmable offset compensation for high accuracy current monitoring.
NCP81243 = Specific Device Code F = Wafer Fab Code Features Common to All Rails • Vin Range 4.
5 V to 25 V A = Assembly Location WL = Wafer Lot YY = Year • Startup into Pre−Charged Loads While Avoiding False OVP • Digital Soft Start Ramp WW = Work Week G = Pb−Free Package • Adjustable Vboot (except Rail3) • High Impedance Differential Output Voltage Amplifiers ORDERING INFORMATION • Dynamic Reference Injection Device Package Shipping • Programmable Output Voltage Slew Rates • Dynamic VID Feed−Forward • Differential Current Sense Amplifiers for Each Phase • Programmable Adaptive Voltage Positioning (AVP) • Switching Frequency Range of 200 kHz –1.
2 MHz NCP81248MNTXG QFN48 2500 / Tape & (Pb−Free) Reel †For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifications Brochure, BRD8011/D.
• Digitally Stabilized Switching Frequency • UltraSonic Operation Single−phase Rail Features • Supports Intel proprietary interface Addresses 00, 01, 02 and 03...


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