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RP509N - 0.5A/1A PWM/VFM Step-down DC/DC Converter

Key Features

  • Input Voltage Range (Maximum Rating).
  • 2.3 V to 5.5 V (6.5 V).
  • Output Voltage Range (Fixed Output Voltage Type).
  • 0.6 V to 3.3 V, settable in 0.1 V steps (Adjustable Output Voltage Type).
  • 0.6 V to 5.5 V.
  • Output Voltage Accuracy (Fixed.

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Datasheet Details

Part number RP509N
Manufacturer Nisshinbo
File Size 1.76 MB
Description 0.5A/1A PWM/VFM Step-down DC/DC Converter
Datasheet download datasheet RP509N Datasheet

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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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RP509x Series 0.5A/1A PWM/VFM Step-down DC/DC Converter with Synchronous Rectifier No. EA-362-220819 OUTLINE The RP509x is a low supply current PWM/VFM step-down DC/DC converter with synchronous rectifier featuring 0.5 A/1 A output current(1). Internally, a single converter consists of a reference voltage unit, an error amplifier, a switching control circuit, a mode control circuit, a soft-start circuit, an undervoltage lockout (UVLO) circuit, a thermal shutdown circuit, and switching transistors. The RP509x is employing synchronous rectification for improving the efficiency of rectification by replacing diodes with built-in switching transistors. Using synchronous rectification not only increases circuit performance but also allows a design to reduce parts count.