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BU90028NUX - Step-down Switching regulators

This page provides the datasheet information for the BU90028NUX, a member of the BU90023NUX Step-down Switching regulators family.

Description

The BU9002xNUX are a high efficiency 1MHz synchronous step-down switching regulator with low current PFM mode.

It provides up to 1.5A load current and an input voltage range from 4.5V to 5.5V, optimized for various applications with input voltage range up to 5V.

Features

  • Fast transient response.
  • Automatic PFM/PWM operation.
  • Forced PWM operation.
  • Internal Soft Start.
  • Under voltage lockout.
  • Over current protection.
  • Thermal shutdown.
  • Lineup.

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Datasheet preview – BU90028NUX

Datasheet Details

Part number BU90028NUX
Manufacturer ROHM
File Size 635.98 KB
Description Step-down Switching regulators
Datasheet download datasheet BU90028NUX Datasheet
Additional preview pages of the BU90028NUX datasheet.

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Full PDF Text Transcription

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Datasheet Single-chip Type with Built-in FET Switching Regulator Series Step-down Switching regulators with Built-in Power MOSFET BU9002xNUX Series ●General Description The BU9002xNUX are a high efficiency 1MHz synchronous step-down switching regulator with low current PFM mode. It provides up to 1.5A load current and an input voltage range from 4.5V to 5.5V, optimized for various applications with input voltage range up to 5V. BU9002xNUX has a mode control pin that allows the user to select Forced PWM (Pulse Width Modulation) mode or PFM (Pulse Frequency Modulation) and PWM auto change mode utilized power save operation at light load current. ●Features ■ Fast transient response ■ Automatic PFM/PWM operation.
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