ISL85402 Description
ISL85402 NOT REMENDED FOR NEW DESIGNS REMENDED 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...
ISL85402 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
- Less than 3µA Shut Down Input Current (IC Disabled)
- Operational Topologies
- Synchronous Buck
- Non-Synchronous Buck
- Two-Stage Boost Buck
- Programmable Frequency from 200kHz to 2.2MHz and Frequency Synchronization Capability