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HM3440 - Synchronous Buck-Boost DC/DC Regulator

Datasheet Summary

Description

The HM3440 is high efficiency, fixed frequency, Buck-Boost DC/DC converter that operates from input voltages above, below or equal to the output voltage.

Features

  • Synchronous Rectification: Up to 95% Efficiency Single Inductor Fixed Frequency Operation with Battery Voltages Above, Below or Equal to the ： Output Quiescent Current 1mA (50uA low power mode: mode pin high) Up to 1A Continuous Output Current 2.7V to 5.5V Input and Output Voltage range Programmable oscillator frequency from （ ） 350kHz to 1.5MHz No Schottky Diodes required VOUT.

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Datasheet Details

Part number HM3440
Manufacturer H&M semi
File Size 445.72 KB
Description Synchronous Buck-Boost DC/DC Regulator
Datasheet download datasheet HM3440 Datasheet
Additional preview pages of the HM3440 datasheet.

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Full PDF Text Transcription

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+0 Synchronous Buck-Boost DC/DC Regulator Features Synchronous Rectification: Up to 95% Efficiency Single Inductor Fixed Frequency Operation with Battery Voltages Above, Below or Equal to the ： Output Quiescent Current 1mA (50uA low power mode: mode pin high) Up to 1A Continuous Output Current 2.7V to 5.5V Input and Output Voltage range Programmable oscillator frequency from （ ） 350kHz to 1.5MHz No Schottky Diodes required VOUT<4.3V VOUT Disconnected from VIN During ＜Shutdown 1µA Shutdown Current Package: Small Thermally Enhanced 10-pin MSOP Description The HM3440 is high efficiency, fixed frequency, Buck-Boost DC/DC converter that operates from input voltages above, below or equal to the output voltage.
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