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EMH7023 - 500KHz PWM Synchronous Boost Converter

Description

The EMH7023 is a high efficiency, synchronous fixed frequency, current-mode step-up DC/DC converter.

During shutdown mode, the output is completely isolated from the input without drawing any battery current.

Features

  •             Up to 96% efficiency Reference voltage: 0.5V Output to input disconnect at shutdown mode 500mA current delivery Switch current limit protection 500KHz fixed switching frequency Thermal shutdown protection 0.5V Low-battery comparator Min-start up voltage: 0.93V Low quiescent current: 50uA (Tpy. ) Low shutdown current < 1uA E-MSOP 8 pins package With 180Ω loading, the minimum start-up voltage can be as low as 0.93V, provided by a one or two-cell alkaline or one-cell Li-Lon.

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Datasheet preview – EMH7023

Datasheet Details

Part number EMH7023
Manufacturer Elite Semiconductor
File Size 243.62 KB
Description 500KHz PWM Synchronous Boost Converter
Datasheet download datasheet EMH7023 Datasheet
Additional preview pages of the EMH7023 datasheet.

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Full PDF Text Transcription

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ESMT/EMP EMH7023 500mA, 500KHz PWM Synchronous Boost Converter with Output Isolated During Shutdown General Description The EMH7023 is a high efficiency, synchronous fixed frequency, current-mode step-up DC/DC converter. During shutdown mode, the output is completely isolated from the input without drawing any battery current. The fixed 500KHz switching frequency obtains maximum efficiency up to 96% and uses only a few external components. Applications      Mobile Phone Digital Still Cameras Portable applications MP3 Players GPS Receivers Features             Up to 96% efficiency Reference voltage: 0.5V Output to input disconnect at shutdown mode 500mA current delivery Switch current limit protection 500KHz fixed switching frequency Thermal shutdown protection 0.
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