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NCP5211 - Low Voltage Synchronous Buck Controller

Description

PIN NO.

FUNCTION High Side Switch FET driver pin.

Capable of delivering peak currents of 1.0 A.

Power supply input for the high side driver.

Features

  • Switching Regulator Controller.
  • N.
  • Channel Synchronous Buck Design.
  • V2 Control Topology.
  • 200 ns Transient Response.
  • Programmable Fixed Frequency of 150 kHz.
  • 750 kHz.
  • 1.0 V 1.5% Internal Reference.
  • Lossless Inductor Sensing Overcurrent Protection.
  • Hiccup Mode Short Circuit Protection.
  • Programmable Soft.
  • Start.
  • 40 ns GATE Rise and Fall Times (3.3 nF Load).
  • 70 ns Adaptive FET Non.

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Datasheet Details

Part number NCP5211
Manufacturer onsemi
File Size 209.73 KB
Description Low Voltage Synchronous Buck Controller
Datasheet download datasheet NCP5211 Datasheet

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Full PDF Text Transcription

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NCP5211 Low Voltage Synchronous Buck Controller The NCP5211 is a low voltage synchronous buck controller. It contains all required circuitry for a synchronous buck converter using external N−Channel MOSFETs. High current internal gate drivers are capable of driving high gate capacitance of low RDS(on) NFETs for better efficiency. The NCP5211 is in a 14−pin package to allow the designer added flexibility. The NCP5211 provides overcurrent protection, undervoltage lockout, Soft−Start and built in adaptive nonoverlap. The NCP5211 also provides adjustable fixed frequency range of 150 kHz to 750 kHz. This gives the designer more flexibility to make efficiency and component size compromises. The NCP5211 will operate over a 4.5 V to 14 V range using either single or dual input voltage.
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