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Применения > > Evaluation Kit for the MAX1820, MAX1821 (MAX1820EVKIT)

Evaluation Kit for the MAX1820, MAX1821 (MAX1820EVKIT) (MAX1820EVKIT)

The MAX1820 evaluation kit (EV kit) is a fully assembled and tested surface-mount circuit board that contains two separate buck switching-regulator circuits. The top circuit utilizes a MAX1820 and is configured for a +0.4V to +3.4V dynamically variable output voltage and provides up to 600mA of guaranteed current. The bottom circuit uses a MAX1821 and is configured for a +1.5V output that provides up to 600mA of guaranteed current. A +2.7VDC to +5.5VDC source could be utilized to power either circuit's input.

The MAX1820/MAX1821 feature an internal MOSFET switch and synchronous rectifier. The MAX1820 EV kit demonstrates low quiescent current and high efficiency up to 97% for maximum battery life. PWM operation at 1MHz allows the use of tiny surface-mount components.


  • +2.7V to +5.5V Input Range
  • Output Voltages
    • +0.4V to +3.4V Output at 600mA (Top Circuit)
    • +1.5V Output at 600mA (Bottom Circuit)
  • Dynamically Variable Output Voltage (Top Circuit)
  • Adjustable Output Voltage Through Resistive Voltage-Divider (Bottom Circuit)
  • Internal Switch and Synchronous Rectifier
  • 0.1µA (typ) IC Shutdown Current
  • 1MHz PWM Switching Frequency
  • Syncable to 13MHz Oscillator
  • Normal and Forced PWM Mode
  • All Surface-Mount Components
  • Fully Assembled and Tested


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