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NCP81228

ON Semiconductor
Part Number NCP81228
Manufacturer ON Semiconductor
Description 8 + 2 Phase Output Controller
Published Oct 16, 2023
Detailed Description 8 + 2 Phase Output Controller with SVID Interface for Notebook and Ultrabook CPU Applications NCP81228 The NCP81228 is a...
Datasheet PDF File NCP81228 PDF File

NCP81228
NCP81228

Overview
8 + 2 Phase Output Controller with SVID Interface for Notebook and Ultrabook CPU Applications NCP81228 The NCP81228 is a dual rail, eight + two phase buck solution optimized for Intel IMVP8 CPUs.
The multi−phase rail control system is based on Dual−Edge pulse−width modulation (PWM) combined with DCR current sensing.
This provides an ultra−fast initial response to dynamic load events and reduced system cost.
The NCP81228 has an ultra−low offset current monitor amplifier with programmable offset compensation for high accuracy current monitoring.
Features  Vin Range 4.
5 V to 21 V  Startup into Pre−Charged Loads While Avoiding False OVP  Digital Soft Start Ramp  Adjustable Vboot  High Impedance Differential Output Voltage Amplifier  Dynamic Reference Injection  Programmable Output Voltage Slew Rates  Dynamic VID Feed−Forward  Differential Current Sense Amplifiers for Each Phase  Programmable Adaptive Voltage Positioning (AVP)  Adjustable Switching Frequency Range  Digitally Stabilized Switching Frequency  UltraSonic Operation  PSYS Input Monitor (SVID address 0D)  Meets Intel’s IMVP8 Specifications  Current Mode Dual Edge Modulation for Fast Initial Response to Transient Loading  This is a Pb−Free Device Typical Applications  Desktop Computers DATA SHEET www.
onsemi.
com 1 52 QFN52 6x6, 0.
4P CASE 485BE MARKING DIAGRAM NCP81228 FAWLYYWW G F = Wafer Fab Code A = Assembly Location WL = Wafer Lot YY = Year WW = Work Week G = Pb−Free Package ORDERING INFORMATION Device Package Shipping† NCP81228MNTXG QFN52 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 Specification Brochure, BRD8011/D.
 Semiconductor Components Industries, LLC, 2018 1 August, 2022 − Rev.
4 Publication Order Number: NCP81228/D NCP81228 Figure 1.
Internal Block Diagram www.
onsemi.
com 2 NCP81228 APPLICATIONS INFORMATION +5V VCC VRMP VIN VR _...


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