High Performance, Synchronous, Single Phase, PWM DC/DC Buck Controller

  • Wide 4.5V to 20V input voltage range
  • Programmable Vout from 0.6V to 95% of Vin
  • Supports up to 60A application
  • Accurate and lossless current sense based on Inductor DCR
  • 0.6V FB voltage, +/-1%
  • 180kHz to 1.2MHz switching frequency
  • Integrated LDO
  • SS programmable with external capacitor
  • Pre-bias startup function
  • COT control with fast load transient
  • DCM/CCM selection
  • Power good indication with open drain output
  • WQFN-16L, 4mm x 4mm, -40˚C to 125˚C
  • Industrial Power, Server, Computing, High-Current for ASIC and FPGA


18V, 3A Synchronous Step-Down Converter

  • Wide 4.5V ~ 18V Operating Input Range
  • Low Rdson of Internal Power MOSFETs (77mΩ/50mΩ for CPS5303; 73mΩ/42mΩ for CPS5305/CPS5307)
  • 340µA Low Iq
  • High Efficiency Synchronous Mode Operation
  • Power Save Mode at Light Load
  • Fast Load Transient Response
  • 760kHz Switching Frequency
  • Internal Soft-Start
  • Over Current Protection and Hiccup
  • Output adjustable from 0.6V for CPS5303 and 0.8V for CPS5305/CPS5307
  • SOT23-6 for CPS5303/CPS5305 and SOT563 for CPS5307STB, Flat-Panel Televisions and Monitors, Security Cameras