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MIC28303 Key Features

  • Easy to use
  • Stable with low-ESR ceramic output capacitor
  • No pensation and no inductor to choose
  • 4.5V to 50V input voltage
  • Single-supply operation
  • Power Good (PG) output
  • Low radiated emission (EMI) per EN55022, Class B
  • Adjustable current limit
  • Adjustable output voltage from 0.9V to 24V
  • 200kHz to 600kHz, programmable switching frequency

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MIC28303 Description

Micrel’s MIC28303 is synchronous step-down regulator module, featuring a unique adaptive ON-time control architecture. The module incorporates a DC/DC controller, power MOSFETs, bootstrap diode, bootstrap capacitor and an inductor in a single package. The MIC28303 operates over an input supply range from 4.5V to 50V and can be used to supply up to 3A of output current.