3.0 MHz, 500 MA, DC-to-DC Boost Converter

PCA9411

The PCA9411 and PCA9411A are highly efficient 3.0 MHz, 500 mA, step-up DC-to-DC converters. They convert input voltages from 2.5 V to 5.25 V to a fixed output voltage of 5.25 V.

These devices are optimized for battery-powered applications. High efficiency of up to 94 % enables an extended battery life in all portable designs. Step-up operation at a switching frequency of 3 MHz allows using 1 μH inductor or smaller.

产品详情

Features

Key Features

  • Efficiency up to 94 %
  • ± 3 % output voltage accuracy at nominal and static conditions
  • ± 3 % output voltage accuracy over full current, voltage and temperature range
  • VIN ≥ VO, (Pass-Through Mode Operation)
  • Load disconnect
  • Current-mode controller
  • Soft start function for limiting inrush current with true load disconnect
  • Overcurrent and over-temperature protection
  • The PCA9411 totally disconnects input to output when disabled
  • The PCA9411A connects input to output when disabled
  • Wafer-Level Chip-Size Package (WLCSP) with 0.4 mm pitch; allows for the use of a smaller antenna, or for greater signal strength
  • IOUT ≤ 400 mA at VIN = 2.5 V
  • IOUT ≤ 480 mA at VIN = 3.6 V
  • IOUT ≤ 640 mA at VIN = 4.8 V
  • IOUT ≤ 700 mA at VIN = 5.0 V

部件编号包含： PCA9411AUK, PCA9411UK.

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