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NCP1578 Datasheet Synchronous Step-Down Controller

Manufacturer: onsemi

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Datasheet Details

Part number NCP1578
Manufacturer onsemi
File Size 1.89 MB
Description Synchronous Step-Down Controller
Datasheet download datasheet NCP1578 Datasheet

Overview

NCP1578 Synchronous Step-Down Controller with 50 mA Linear Regulator The NCP1578 is a voltage mode synchronous step-down controller for high performance systems intended to be used in battery-powered systems.

The NCP1578 includes a high efficiency PWM controller with adjustable output, and a 5 V/50 mA linear regulator.

A pin is provided to enable or disable forced PWM mode of operation.

Key Features

  • soft-start sequence, UVLO for linear regulator and switcher, overvoltage protection, overcurrent protection, and thermal shutdown. The IC is packaged in QFN20. Features.
  • ăFixed 5.0 V/50 mA Internal Linear Regulator.
  • ăAdjustable PWM Output Voltage.
  • ă1.5% Accuracy 0.8 V Reference.
  • ă4.5 V to 24 V Battery/Adaptor Voltage Range.
  • ăSelectable Force PWM Mode.
  • ăLossless, Programmable High Side MOSFET's RDS(ON) Current Sensing.
  • ăSoft-start and Power-.

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