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EML3173 - Synchronous Step-Down DC-DC Converter

Description

EML3173 is a high efficiency, DC-DC synchronous buck converter witch provides 3.0A output loading after output voltage reach preset voltage.

EML3173 uses different modulation algorithms for various loading conditions.

Features

  • Wide Operating Voltage Ranges : 2.6V to 5.5V 3.0A 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.
  • 1.4MHz Switching Frequency Internal Soft-Start Current Limit Protection Over Temperature.

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Datasheet preview – EML3173

Datasheet Details

Part number EML3173
Manufacturer Elite Semiconductor
File Size 471.07 KB
Description Synchronous Step-Down DC-DC Converter
Datasheet download datasheet EML3173 Datasheet
Additional preview pages of the EML3173 datasheet.

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Full PDF Text Transcription

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ESMT EML3173 3.0A, Synchronous Step-Down DC-DC Converter General Description EML3173 is a high efficiency, DC-DC synchronous buck converter witch provides 3.0A output loading after output voltage reach preset voltage. EML3173 uses different modulation algorithms for various loading conditions. Under heavy load, EML3173 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 Features „ „ „ „ „ „ „ „ Wide Operating Voltage Ranges : 2.6V to 5.5V 3.
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