Controllers | NCP1578

Synchronous Step Down Controller with 50 mA Linear Regulator

Obsolete

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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 5V/50mA linear regulator. A pin is provided to enable or disable forced PWM mode of operation. An internal power good voltage monitor tracks the SMPS output. NCP1578 also features soft-start sequence, UVLO for linear regulator and switcher, overvoltage protection, overcurrent protection, and thermal shutdown. The IC is packaged in QFN-20

  • Network HUB, Switchers and Routers
  • Personal Computer Peripherals
  • Microprocessors Power Supply
  • Embedded Controller
  • DSP and Core Processor
  • Supply for LCD Display

  • Fixed 5.0V/50mA Internal Linear Regulator.
  • Adjustable PWM Output Voltage
  • 1.5% Accuracy PWM Output Voltage
  • 4.5V to 24V Battery/Adaptor Voltage Range
  • Selectable Force PWM Mode
  • Programmable High Side Current Sense
  • Soft Start and Power Up Sequencing
  • Overvoltage and Undervoltage Protection
  • Porgrammable Delay Power Good Output
  • Thermal Shutdown

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NCP1578MNR2G

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Obsolete

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CAD Model

Pb

A

H

P

QFN-20

48.5

1

260

REEL

4000

N

-

1

-

-

-

300

Price N/A

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