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MIC2267

MICREL
Part Number MIC2267
Manufacturer MICREL
Description Input Current Limiting Synchronous Buck Regulator
Published Mar 10, 2011
Detailed Description MIC2267 Input Current Limiting Synchronous Buck Regulator USB Power Maximizer™ General Description The MIC2267 is a USB...
Datasheet PDF File MIC2267 PDF File

MIC2267
MIC2267

Overview
MIC2267 Input Current Limiting Synchronous Buck Regulator USB Power Maximizer™ General Description The MIC2267 is a USB Power Maximizer™ which transfers the maximum power from the limited USB current source by shaping the input current limit profile.
It incorporates a high efficiency, integrated synchronous step down regulator.
Internal 150mΩ switches and adjustable operating frequency allows the MIC2267 to achieve greater than 90% efficiency across a broad load range.
It replaces the USB current limit switch, 5V buck regulator and minimizes capacitance for many USB applications.
The adjustable frequency control can be utilized to move harmonics away from sensitive frequency bands.
The MIC2267 allows the input current limit profile to be shaped for various applications.
With a current mode control with external compensation, the MIC2267 transient response can be optimized over load and output capacitance making it highly flexible for many applications.
Additional features include 1µA ...


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