Single Synchronous Step Down Controller

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Overview

NCP5212 is a synchronous step-down controller for high performance battery powered systems. It includes a high efficiency PWM controller. A pin is provided to allow two devices in interleaved operation. An internal power good voltage monitor tracks the SMPS output. NCP5212 also features soft start sequence, UVLO for Vcc and switcher, overvoltage protection, overcurrent protection, undervoltage protection and thermal shutdown. It is packaged in QFN-16.

  • Notebook system power
  • Notebook system power
  • 0.8% accuracy; 0.8 V reference
  • 4.5 V to 27 V battery/adapter voltage range
  • Adjustable output voltage range: 0.8 V to 3.3 V
  • Synchronization interleaving between two NCP5212 devices
  • Skip mode for power saving operation at light load
  • Lossless inductor current sensing
  • Programmable transient response enhancement (TRE) control
  • Programmable adaptive voltage positioning (AVP)
  • Input supply feedforward control
  • Internal SoftStart
  • Integrated output discharge (SoftStop)
  • Built-in adaptive gate drivers
  • PGOOD indication
  • Overvoltage, undervoltage and overcurrent protection
  • Thermal shutdown

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NCP5212AMNTXG

Active

Pb

A

H

P

QFN-16

1

260

REEL

3000

N

Step-Down

1

Current/Voltage Mode

4.5

27

300

$0.6165

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