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RP505K - 1A Step-down DC/DC Converters

Datasheet Summary

Features

  • Supply Current Typ. 40µA (VFM mode with no-load).
  • Standby Current Max. 5µA.
  • Input Voltage Range 2.3V to 5.5V (Absolute maximum rating: 6.5V).
  • Output Voltage Range (Ver. A,B) 0.6V to 3.3V (Adjustable in 0.1V steps. Note: As for 0.8V or less, input voltage range is limited. ) (Ver. C) 0.8V to 3.3V.
  • Output Voltage Accuracy (Ver. A,B) ±1.5% (VOUT≥1.2V), ±18mV (VOUT.

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Datasheet preview – RP505K

Datasheet Details

Part number RP505K
Manufacturer Nisshinbo
File Size 2.16 MB
Description 1A Step-down DC/DC Converters
Datasheet download datasheet RP505K Datasheet
Additional preview pages of the RP505K datasheet.

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Full PDF Text Transcription

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RP505K Series 1A Step-down DC/DC Converters with Synchronous Rectifier No.EA-273-210909 OUTLINE The RP505K Series are low supply current CMOS-based 1A*1 step-down DC/DC Converters with synchronous rectifier. Each of these ICs consists of an oscillator, a reference voltage unit, an error amplifier, a switching control circuit, a mode control circuit, a soft-start circuit, a latch type protection circuit, an under voltage lock out (UVLO) circuit, a thermal shutdown circuit, and a switching transistors. A low ripple, high efficiency synchronous rectifier step-down DC/DC converter can be easily composed of this IC with only an inductor and capacitors. Since the package is DFN(PL)2020-8, high density mounting on boards is possible.
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