ISL85402 Datasheet - Renesas

ISL85402 2.5A Regulator

PIN NAME EN FS SS FB COMP ILIMIT MODE PGOOD PHASE EXT_BOOST PIN # 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. 2 Connecting this pin to VCC, or GND, or leaving it open will force the IC.

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 amb.

ISL85402 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 Qu

ISL85402-Renesas.pdf