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NCP5220A - 3-in-1 PWM Dual Buck and Linear Power Controller

Description

Description VDDQ error amplifier compensation node.

DDQ regulator feedback pin.

start pin o

Features

  • include, soft.
  • start circuitry, undervoltage monitoring of 5VDUAL, BOOT voltage and thermal shutdown. The device is housed in a thermal enhanced space.
  • saving DFN.
  • 20 package. Features.
  • Incorporates Synchronous PWM Buck Controllers for VDDQ and VMCH.
  • Integrated Power FETs with VTT Regulator Source/Sink up to 2.0 A.
  • All External Power MOSFETs are N.
  • Channel.
  • Adjustable VDDQ and VMCH by External Dividers.
  • VTT Tracks at Half t.

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Datasheet preview – NCP5220A

Datasheet Details

Part number NCP5220A
Manufacturer ON Semiconductor
File Size 163.16 KB
Description 3-in-1 PWM Dual Buck and Linear Power Controller
Datasheet download datasheet NCP5220A Datasheet
Additional preview pages of the NCP5220A datasheet.

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Full PDF Text Transcription

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NCP5220A 3−in−1 PWM Dual Buck and Linear Power Controller The NCP5220A 3−in−1 PWM Dual Buck and Linear Power Controller, is a complete power solution for MCH and DDR memory. This IC combines the efficiency of PWM controllers for the VDDQ supply and the MCH core supply voltage with the simplicity of linear regulator for the VTT termination voltage. This IC contains two synchronous PWM buck controllers for driving four external N−Ch FETs to form the DDR memory supply voltage (VDDQ) and the MCH regulator. The DDR memory termination regulator (VTT) is designed to track at half of the reference voltage with sourcing and sinking current. Protective features include, soft−start circuitry, undervoltage monitoring of 5VDUAL, BOOT voltage and thermal shutdown.
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