MAX1973EVKIT

Evaluation Kit for the MAX1973, MAX1974


Please check latest availability status for a specific part variant.

Description

The MAX1973/MAX1974 evaluation kit (EV kit) is a fully assembled and tested circuit board with separate circuits to evaluate the MAX1973 and MAX1974. Both circuits have an input voltage range of 2.6V to 5.5V. The output of the MAX1973 circuit (OUT1) is a selectable preset of 2.5V or 1.8V, or can be adjusted from 1.25V to VIN by adding external feedback resistors. The output of the MAX1974 circuit (OUT2) is a selectable preset of 1.5V or 1V, or can be adjusted from 0.75V to VIN by adding external feedback resistors. Each output can deliver 1A. The MAX1973 circuit also features jumper-selected voltage margining, which allows the output voltage to be increased or decreased by 4%, while the MAX1974 circuit features a power-OK (POK) output that indicates when the regulator output voltage is in regulation.

Key Features

  • Tiny 0.19in² Circuit Footprint
  • Ultra-Low 1.8mm Circuit Height
  • 4.7µF Ceramic Input and Output Capacitors
  • 2.6V to 5.5V Input Voltage Range
  • Up to 1A Output Current
  • 1% Accurate Output Voltage
  • Built-In ±4% Logic-Controlled Voltage Margining (MAX1973)
  • Preset 1V, 1.5V, 1.8V, and 2.5V Outputs or 0.75V to VIN Adjustable Output
  • Fixed-Frequency Current-Mode PWM Operation
  • 1.4MHz Switching Frequency—Operation Outside DSL Band
  • 100% Duty Cycle Dropout Capability
  • Power-OK Output (MAX1974)
  • Fully Assembled and Tested

Applications/Uses

  • Cell Phone Base Stations
  • Central Office DSL and Telecom
  • DSL and Wireless Modems/Routers
  • DSP/ASIC Core and I/O supplies
  • Network Equipment
  • Optical Modules
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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