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NCP5214 - Notebook DDR Power Controller

Description

VDDQ regulator enable input.

High to enable.

VTT regulator enable input.

saving mode.

start capacitor connection to ground

Features

  • include soft.
  • start circuitries, undervoltage monitoring of supply voltage, VDDQ overcurrent protection, VDDQ overvoltage and undervoltage protections, and thermal shutdown. The IC is packaged in DFN.
  • 22. Features.
  • Incorporates VDDQ, VTT Regulator, Buffered VREF.
  • Adjustable VDDQ Output.
  • VTT and VREF Track VDDQ/2.
  • Operates from Single 5.0 V Supply.
  • Supports VDDQ Conversion Rails from 4.5 V to 24 V.
  • Power.
  • saving Mode for H.

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Datasheet Details

Part number NCP5214
Manufacturer onsemi
File Size 363.19 KB
Description Notebook DDR Power Controller
Datasheet download datasheet NCP5214 Datasheet

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Full PDF Text Transcription

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NCP5214 2−in−1 Notebook DDR Power Controller The NCP5214 2−in−1 Notebook DDR Power Controller is specifically designed as a total power solution for notebook DDR memory system. This IC combines the efficiency of a PWM controller for the VDDQ supply with the simplicity of linear regulators for the VTT termination voltage and the buffered low noise reference. This IC contains a synchronous PWM buck controller for driving two external NFETs to form the DDR memory supply voltage (VDDQ). The DDR memory termination regulator output voltage (VTT) and the buffered VREF are internally set to track at the half of VDDQ. An internal power good voltage monitor tracks VDDQ output and notifies the user whether the VDDQ output is within target range.
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