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NJM2344 - PWM DC/DC Converter IC

General Description

The NJM2344 is a general purpose PWM DC/DC converter IC configurable for step-up, step-down and inverting applications.

An internal 1.5A power transistor, a pulse-by pulse current limit and 1% precision reference make the NJM2344 suitable for a wide range of voltage converter needs.

Key Features

  • Operating Voltage 3.0V to 40V.
  • Wide Oscillator Frequency 1kHz to 150kHz.
  • Precision Reference Voltage Vth=1.25V ± 1%.
  • Internal High Power Transistor 1.5A max.
  • Internal Over Current Limit Circuit.
  • PWM switching control.
  • Standby Function 9µA typ.
  • Bipolar Technology.
  • Package Outline NJM2344D : DIP8 NJM2344M : DMP8.
  • PIN.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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NJM2344 PWM DC/DC Converter IC with Standby Function ■GENERAL DESCRIPTION The NJM2344 is a general purpose PWM DC/DC converter IC configurable for step-up, step-down and inverting applications. An internal 1.5A power transistor, a pulse-by pulse current limit and 1% precision reference make the NJM2344 suitable for a wide range of voltage converter needs. The NJM2344 features a standby function that can be used for both power saving and safety operation. ■PACKAGE OUTLINE NJM2344D NJM2344M ■FEATURES ● Operating Voltage 3.0V to 40V ● Wide Oscillator Frequency 1kHz to 150kHz •Precision Reference Voltage Vth=1.25V ± 1% ● Internal High Power Transistor 1.5A max. ● Internal Over Current Limit Circuit ● PWM switching control ● Standby Function 9µA typ.