MAX1774EVKIT

Evaluation Kit for the MAX1774


Please check latest availability status for a specific part variant.

Description

The MAX1774 evaluation kit (EV kit) is a fully assembled and tested surface-mount circuit board that contains a dual step-down switching converter with a backup converter circuit and low-voltage detectors. The circuit is configured for a main output voltage of 3.3V and a core output voltage of 1.8V. The main output provides up to 1.5A, and the core output provides up to 500mA of current.

Power for the circuit can be provided from a 3.65V to 5.5V DC source. The EV kit can be reconfigured for input voltages up to 28V. The core's input can be powered from the input source, or for higher input voltages, from the main output. The EV kit circuit includes battery monitoring, switchover, and backup, allowing automatic backup operation.

The MAX1774 EV kit demonstrates low quiescent current and high efficiency (up to 95%) for maximum battery life. Operation up to 1.25MHz allows the use of tiny surfacemount components.

Key Features

  • Input Voltages
    • +3.65V to +5.5V (AC Adapter, as configured)
    • +2.7V to +5.5V (Main Battery, as configured)
    • +0.9V to +3.2V (Backup Battery)
  • Output Voltages
    • +3.3V Output at 1.5A
    • +1.8V Output at 500mA
  • Outputs are Adjustable with Resistors
  • Internal MOSFET Switches (Core and Backup Converters)
  • 8µA (typ) IC Shutdown Current
  • Switching Frequency up to 1.25MHz
  • Surface-Mount Components
  • Fully Assembled and Tested

Applications/Uses

  • Handheld Computers
  • Internet Access Tablets
  • PDAs
  • POS Terminals
  • Subnotebooks
Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C   Material Composition  

Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

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