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NCP3122 - Step-Down DC/DC Switching Regulator

Description

Pin Symbol 1, 31, 32 SW1 2 7 VIN 8

Description Switch node of Channel 1.

Features

  • include cycle.
  • by.
  • cycle current limit and undervoltage lockout (UVLO). The NCP3122 comes in a 32.
  • pin QFN package. Features.
  • Input Voltage Range from 4.5 V to 13.2 V.
  • 12 Vin to 5.0 Vout = 87% Efficiency Min @ 2.0 A.
  • 200.
  • 2200 kHz Operation.
  • Stable with Low ESR Ceramic Output Capacitor.
  • 0.8 ±1.5% FB Reference Voltage.
  • External Soft.
  • Start.
  • Out of Phase Operation of OUT1 & OUT2.
  • Auto.

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Datasheet preview – NCP3122

Datasheet Details

Part number NCP3122
Manufacturer ON Semiconductor
File Size 2.37 MB
Description Step-Down DC/DC Switching Regulator
Datasheet download datasheet NCP3122 Datasheet
Additional preview pages of the NCP3122 datasheet.

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Full PDF Text Transcription

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NCP3122 Dual 2.0 A, Step-Down DC/DC Switching Regulator The NCP3122 is a dual buck converter designed for low voltage applications requiring high efficiency. This device is capable of producing an output voltage as low as 0.8 V. The NCP3122 provides dual 2.0 A switching regulators with an adjustable 200 kHz − 2200 kHz switching frequency. The switching frequency is set by an external resistor. The NCP3122 also incorporates an auto−tracking and sequencing feature. Protection features include cycle−by−cycle current limit and undervoltage lockout (UVLO). The NCP3122 comes in a 32−pin QFN package. Features • Input Voltage Range from 4.5 V to 13.2 V • 12 Vin to 5.0 Vout = 87% Efficiency Min @ 2.0 A • 200−2200 kHz Operation • Stable with Low ESR Ceramic Output Capacitor • 0.8 ±1.
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