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MIC2800 - Digital Power Management

Datasheet Summary

Description

The MIC2800 is a high performance power management IC, giving three output voltages with maximum efficiency.

Integrating a 2MHz DC/DC converter with an LDO post regulator, the MIC2800 gives two high efficiency outputs with a second, 300mA LDO for maximum flexibility.

Features

  • a LOWQ® mode, reducing the total current draw while in this mode to less than 30µA. In LOWQ® mode, the output noise of the DC to DC converter is 75µVRMS, significantly lower than other converters which use a PFM light load mode that can interfere with sensitive RF circuitry. The DC to DC converter uses small values of L and C to reduce board space but still retains efficiencies over 90% at load currents up to 600mA. The MIC2800 is a µCap design, operating with very small ceramic output capacitor.

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Datasheet Details

Part number MIC2800
Manufacturer Micrel Semiconductor
File Size 502.54 KB
Description Digital Power Management
Datasheet download datasheet MIC2800 Datasheet
Additional preview pages of the MIC2800 datasheet.

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Full PDF Text Transcription

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MIC2800 Digital Power Management IC 2MHz, 600mA DC/DC w/Dual 300mA/300mA Low VIN LDOs General Description The MIC2800 is a high performance power management IC, giving three output voltages with maximum efficiency. Integrating a 2MHz DC/DC converter with an LDO post regulator, the MIC2800 gives two high efficiency outputs with a second, 300mA LDO for maximum flexibility. The MIC2800 features a LOWQ® mode, reducing the total current draw while in this mode to less than 30µA. In LOWQ® mode, the output noise of the DC to DC converter is 75µVRMS, significantly lower than other converters which use a PFM light load mode that can interfere with sensitive RF circuitry.
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