MAX1688EVKIT

Evaluation Kit for the MAX1687, MAX1688


Please check latest availability status for a specific part variant.

Description

The MAX1688 evaluation kit (EV kit) is a boost switching regulator for one Li-Ion cell or three NiCd/NiMH cells in battery-powered systems. The EV kit accepts a positive input between 2.7V and 6V and converts it to a 5V output. It can easily deliver the current burst required for cell-phone power amplifier systems. The MAX1688 reduces battery surge current by slowly charging a reservoir capacitor, which supplies the necessary peak energy for the current burst. As a result, the peak battery input current is limited, thereby minimizing the battery voltage sag and transient dips. The EV kit operates at 600kHz, allowing the use of small external components.

The MAX1688 EV kit provides low quiescent current and high efficiency for maximum battery life. An internal synchronous rectifier is used to provide over 90% conversion efficiency. This EV kit is a fully assembled and tested surface-mount circuit board. The MAX1688 EV kit can also be used to evaluate the MAX1687.

Key Features

  • 2.7V to 6V Input Voltage Range
  • 5V Output Voltage
  • Less than 500mV Output Voltage Droop with 1.42A Burst Current
  • 90% Efficiency
  • Output Disconnected from Input during Shutdown
  • 600kHz Switching Frequency
  • Internal MOSFET and Synchronous Rectifier
  • 3µA IC Shutdown Current
  • Surface-Mount Components (TSSOP Package)
  • Fully Assembled and Tested

Applications/Uses

  • GSM Phones
  • PC Cards (PCMCIA)
  • Wireless Handsets
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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