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EML3276 - Synchronous Step-Down DC-DC Converter

Description

EML3276 is a high efficiency, DC-DC synchronous buck converter which provides 5.0A output loading after output voltage reach preset voltage.

EML3276 uses different modulation algorithms for various loading conditions.

Features

  • Wide Operating Voltage Ranges : 3.0V to 5.5V.
  • 5.0A Output Current.
  • High efficiency Buck Power Converter.
  • Auto-select PSM/PWM (Mode=VCC).
  • Force PWM (Mode=GND).
  • Power Good Indicator.
  • LDO mode: duty cycle: 100%.
  • Synchronous Power Switches Rectification, no Schottky Diode Required.
  • 1.1 MHz Switching Frequency.
  • Internal Soft-Start.
  • Current Limit Protection.
  • Over Temperature Protection.
  • Output Shorting Protect.
  • Output Over Voltage.

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Datasheet preview – EML3276

Datasheet Details

Part number EML3276
Manufacturer ESMT
File Size 496.85 KB
Description Synchronous Step-Down DC-DC Converter
Datasheet download datasheet EML3276 Datasheet
Additional preview pages of the EML3276 datasheet.

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Full PDF Text Transcription

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ESMT EML3276 5.0A, Synchronous Step-Down DC-DC Converter General Description EML3276 is a high efficiency, DC-DC synchronous buck converter which provides 5.0A output loading after output voltage reach preset voltage. EML3276 uses different modulation algorithms for various loading conditions. Under heavy load, EML3276 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, EML3276 enters low dropout voltage operation under 100% duty cycle. The internal generated 0.
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