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ISL97701 - Boost Regulator

Description

CONDITION MIN TYP MAX UNIT SUPPLY VDD Supply Operating Voltage Range IDIS Supply Current when Disabl

Features

  • Up to 87% efficiency.
  • 2.3V to 5.5V input.
  • Up to 28V output.
  • 50mA at 18V.
  • Integrated boost Schottky diode.
  • Input voltage disconnect switch.
  • Synchronization input.
  • Chip enable.
  • 10 Ld 3x3 DFN package.
  • Pb-free (RoHS compliant).

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Full PDF Text Transcription

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DATASHEET ISL97701 Boost Regulator with Integrated Schottky and Input Disconnect Switch FN6474 Rev 1.00 February 22, 2008 The ISL97701 represents a high efficiency boost converter with integrated boost FET, boost diode and input disconnect FET. With an input voltage of 2.3V to 5.5V the ISL97701 has an output capability of up to 50mA at 18V using integrated 500mA switches. Efficiencies are up to 87%. The integrated protection FET is used to disconnect the boost inductor from the input supply whenever an output fault condition is detected, or when the device is disabled. This gives 0 output current in the disabled mode, compared to standard boost converters where current can still flow when the device is disabled.
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