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EML3175 - Synchronous Step-Down DC-DC Converter

General Description

EML3175 is a high efficiency, DC-DC synchronous buck converter which provides 3.0A output loading after output voltage reach preset voltage.

EML3175 uses different modulation algorithms for various loading conditions.

Key Features

  • Wide Operating Voltage Ranges : 2.6V to 5.5V.
  • 3.0A Output Current.
  • High efficiency Buck Power Converter.
  • Auto-select PSM/PWM.
  • LDO mode: duty cycle: 100%.
  • Synchronous Power Switches Rectification, no Schottky Diode Required.
  • 1.4MHz Switching Frequency.
  • Internal Soft-Start.
  • Current Limit Protection.
  • Over Temperature Protection.
  • Output Shorting Protect.
  • Output Over Voltage Protection.

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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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ESMT EML3175 3.0A, Synchronous Step-Down DC-DC Converter General Description EML3175 is a high efficiency, DC-DC synchronous buck converter which provides 3.0A output loading after output voltage reach preset voltage. EML3175 uses different modulation algorithms for various loading conditions. Under heavy load, EML3175 regulates the output voltage using Pulse Width Modulation (PWM). The PWM mode provides low output voltage ripple and fixed frequency noise. While in light load, it enters Power Skip Modulation (PSM) automatically to ensure a highly efficient operation at light load condition. Under very heavy load condition or when the input voltage approaches the output voltage, EML3175 enters low dropout voltage operation under 100% duty cycle. The internal generated 0.