10A, 5-18V, COT Synchronous Step-down Converter with PG



The MP8758 is a fully-integrated, high frequency, synchronous, rectified, step-down converter. It offers a very compact solution to achieve a 10A output current over a wide input-supply range with excellent load and line regulation. MP8758 employs the Constant-On-Time (COT) control scheme, which provides fast transient response, eases loop stabilization. The COT control scheme provides seamless transition to PFM mode at light load operation which boosts the light load efficiency. Under voltage lockout is internally set as 4.5V. An open drain power good signal indicates output voltage is within its nominal voltage range. Full protection features include OCP, OVP, and thermal shutdown. MP8758 requires minimum number of external components and are available in QFN21 (3mmx4mm) package.



  • Wide 5V to 18V Operating Input Range
  • 10A Continuous Output Current
  • Low RDS(ON) Internal Power MOSFETs
  • Proprietary Switching Loss Reduction Technique
  • Internal Soft Start
  • Output Discharge
  • 500kHz Switching Frequency
  • OCP, OVP, UVP and Thermal Shutdown
  • Latch off Reset via EN or Power Cycle
  • Output Adjustable from 0.604V to 5.5V


  • fsw (max) (kHz)500
  • Vin (min) (V)5
  • Vin (max) (V)18
  • Iout (max) (A)10
  • Isw Limit (typ) (A)11
  • Vfb (V)0.604
  • Iq (typ) (mA)0.19
  • Regulated Outputs1
  • Vout (max) (V)5.5
  • Vout (min) (V)0.604
  • GradeCatalog
  • PackageQFN-21 (3x4)
  • Control ModeCOT
  • Common FeaturesLight-Load Efficiency, Power Good, Synchronous Rectification
  • Special FeaturesOutput Discharge

22V, 10A, High Current Synchronous Buck Converter

The EV8758H-L-00A is used for demonstrating the performance of MP8758H, a fully-integrated, high efficiency, synchronous step-down switch mode converter. MP8758H provides up to 10A continuous output current over a wide input supply range with constant-on-time control for fast loop response.

The Evaluation Board can deliver 10A continuous load current from a 4.5V to 22V input with excellent load and line regulation.

This part requires minimum number of external components and is available in QFN21 (3mmx4mm) package

¥2,716.25 + tax