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ELM611DA - high efficiency synchronous PWM step down DC/DC converter

General Description

ELM611DA is 350kHz fixed frequency PWM synchronous step-down regulator, whose input voltage can be set within the range from 4.75V to 23V and output one is adjustable within the range from 0.923V to 18V; maximum output current of ELM611DA can reach 2A.

Key Features

  • r>.
  • Programmable soft start.
  • Short circuit protection.
  • Thermal shutdown protection.
  • Input voltage : 4.75V to 23V.
  • Output voltage : 0.923V to 18V.
  • Output current : 2A.
  • High efficiency : Max.93%.
  • Power MOSFET switches : 85mΩ.
  • Shutdown current : Typ.1µA.
  • Fixed frequency : Typ.350kHz.
  • Package : SOP-8.

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Datasheet Details

Part number ELM611DA
Manufacturer ELM Technology
File Size 768.46 KB
Description high efficiency synchronous PWM step down DC/DC converter
Datasheet download datasheet ELM611DA 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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ELM611DA 2A 23V high efficiency synchronous PWM step down DC/DC converter ■General description ELM611DA is 350kHz fixed frequency PWM synchronous step-down regulator, whose input voltage can be set within the range from 4.75V to 23V and output one is adjustable within the range from 0.923V to 18V; maximum output current of ELM611DA can reach 2A. ELM611DA includes 2 switching MOSFETs whose ON resistance is 85mΩ. Current mode control of ELM611DA makes it possible to provide fast transient response and current protection of cycle-by-cycle. Shutdown current is Typ.1μA. Soft start is programmable by external capacitor during start and limits inrush current to the appropriate value. ELM611DA is equipped with thermal shutdown protection.