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ISL85402 - 2.5A Regulator

General Description

1 The controller is enabled when this pin is left floating or pulled HIGH.

The IC is disabled when this pin is pulled LOW.

Range: 0V to 5.5V.

Key Features

  • Buck Mode: Input Voltage Range 3V to 36V (Refer to “Input Voltage” on page 13 for more details).
  • Boost Mode Expands Operating Input Voltage Lower Than 2.5V (Refer to “Input Voltage” on page 13 for more details).
  • Selectable Forced PWM Mode or PFM Mode.
  • 300µA IC Quiescent Current (PFM, No Load); 180µA Input Quiescent Current (PFM, No Load, VOUT Connected to AUXVCC).
  • Less than 3µA Shut Down Input Current (IC Disabled).
  • Operational Topologies -.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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ISL85402 NOT RECOMMENDED FOR NEW DESIGNS RECOMMENDED REPLACEMENT PART ISL85403 2.5A Regulator with Integrated High-Side MOSFET for Synchronous Buck or Boost Buck Converter DATASHEET FN7640 Rev 1.00 April 25, 2013 The ISL85402 is a synchronous buck controller with a 125mΩ high-side MOSFET and low-side driver integrated. The ISL85402 supports a wide input range of 3V to 36V in buck mode. It supports 2.5A continuous load under conditions of 5V VOUT, VIN range of 8V to 36V, 500kHz and +105°C ambient temperature with still air.