Controllers | NCP5215

Dual Synchronous Buck Controller for Notebook

Obsolete

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Overview

The NCP5215, a high-efficiency and fast-transient-response dual-channel buck controller, provides a multifunctional power solution for notebook power system. 180o interleaved operation function between the two channels has capabilities of reducing the common input capacitor requirement and improving noise immunity. Adaptive-Voltage-Positioning (AVP) control reduces the requirement of output filter capacitors. Programmable power-saving operation ensures high efficiency over entire load range. Input feedforward voltage-mode control is employed to deal with wide input voltage range. Transient-Response-Enhancement (TRE) control for the both channels enables fast transient response.

  • CPU Chipset Power Supplies

  • Notebook Computers

  • Wide Input Voltage Range: 4.5 V to 24 V
  • Adjustable Output Voltage Range: 0.8 V to 3.0 V
  • Selectable Nominal Fixed Switching Frequency: 200 kHz, 300 kHz, and 400 kHz
  • 180° Interleaved Operation Function between the Two Channels
  • Programmable AdaptiveVoltagePositioning (AVP) Operation
  • Programmable TransientResponseEnhancement (TRE) Control
  • Power Saving Operation under Light Load Condition
  • Input Feedforward Voltage Mode Control
  • Resistive or Inductors DCR Current Sensing
  • 1% Internal 0.8 V Reference
  • External SoftStart Operation
  • Output Discharge and SoftStop
  • Built-in Gate Drivers
  • Input Supplies Undervoltage Lockout
  • Output Overvoltage and Undervoltage Protections
  • Accurate Overcurrent Protection
  • Thermal Shutdown Protection

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NCP5215MNR2G

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Obsolete

CAD Model

Pb

A

H

P

QFN-40

488AR

1

260

REEL

2500

N

-

1

Voltage Mode

4.5

5.5

200 - 400

Price N/A

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