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Manufacturer Part #


MIC2800 Series 5.5 V 2 MHz Surface Mount Digital Power Management IC - MLF-16

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Mfr. Name: Microchip
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Technical Attributes
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Package Style:  MLF-16
Mounting Method: Surface Mount
Features & Applications

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, 300 mA LDO for maximum flexibility.

The MIC2800 features a LOWQ™ mode, reducing the total current draw while in this mode to less than 30 μA. In LOWQ™ mode, the output noise of the DC to DC converter is 75 μVRMS, 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 600 mA.

Features :

  • 2.7 V to 5.5 V input voltage range
  • 2 MHz DC/DC converter and two stand-alone LDOs
    • 3LDO1: Low input voltage is powered directly from DC/DC converter for highest efficienc
  • Integrated power-on reset (OR function for all outputs)
    • Adjustable delay time
  • LOWQ™ mode
    • 30 μA Total IQ when in LOWQ™ mode
  • Tiny 16-pin 3 mm x 3 mm MLF® package

DC to DC Converter :

  • Output current to 600 mA in PWM mode
  • LOWQ™ Mode: NO NOISE Light load mode
    • 75 μVRMS output noise in LOWQ™ mode
  • 2 MHz PWM operation in normal mode
  • >90% efficiency

LDOs :

  • LDO1 input voltage directly connected to DC/DC converter output voltage for maximum efficiency
    • Ideal for 1.8 V to 1.5 V conversion
    • 300 mA output current from 1.8 V input
    • Output voltage down to 0.8 V
  • LDO2 – 300 mA output current capable
  • Thermal Shutdown Protection
  • Current Limit Protection

Applications :

  • Mobile phones
  • PDAs
  • GPS receivers
  • Digital still cameras
  • Portable media players
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