MAX1676EVKIT

MAX1676评估板


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说明

The MAX1676 is a high-efficiency, step-up DC-DC converter for portable hand-held devices. It accepts a positive input voltage between 0.7V to 5.5V and converts it to a higher output voltage. The MAX1676 includes a damping circuit (at BATT) that suppresses inductor ringing to reduce electromagnetic interference (EMI).

The MAX1676 evaluation kit (EV kit) is a fully assembled and tested surface-mount printed circuit board. Three jumpers on the EV kit allow for easy access to the output voltage select, current limit, and shutdown features.

The output voltage is both adjustable and pin-selectable. A movable jumper selects either a 3.3V or 5.0V output, or it can be left open and a resistor network can be used to obtain a voltage in the 2V to 5.5V range. The inductor current limit is selectable for either 0.5A or 1.0A. In shutdown mode, the MAX1676 typically draws only 0.1µA.

关键特性

  • Synchronous Rectification for Improved Efficiency
  • Operates Down to 0.7V Input Supply Voltage
  • No External Schottky Diode Required (for multicell applications)
  • Selectable Current Limit (0.5A or 1.0A)
  • Damping Circuit Reduces EMI
  • 16µA Quiescent Current
  • 0.1µA Typical Shutdown Current
  • Low-Battery Detector (LBI/LBO)
  • 10-Pin µMAX® Package
  • Surface-Mount Construction
  • Fully Assembled and Tested

应用

  • 1节至3节电池供电的手持设备
  • 手持式计算机
  • 医疗设备
  • 寻呼机
  • PDA
  • 射频标记
  • 无线电话
型号   生产流程   工艺   样本量   不合格   FIT @ 25°C   FIT @ 55°C   Material Composition  

备注: 通过技术手段对故障率进行汇总,并映射到相关的材料部件号。 故障率与被测件的数量密切相关。

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