LM5166

Product Folder Order Now Technical Documents Tools & Software Support & Community Reference Design LM5166 SNVSA67B – DECEMBER 2016 – REVISED JUNE 2017 LM5166 3-V to 65-V Input, 500-mA Synchronous Buck Converter With Ultra-Low IQ 1 Features 1 Wide Input Voltage Range of 3 V to 65 V 9.7-µA No-Load Quiescent Current –40°C to 150°C Junction Temperature Range Fixed (3.3-V, 5-V) or Adjustable VOUT Options Meets EN55022 / CISPR 22 EMI Standards Integrated 1-Ω PFET Buck Switch – Supports 100% Duty Cycle for Low Dropout Integrated 0.5-Ω NFET Synchronous Rectifier – Eliminates External Schottky Diode Programmable Peak Current Limit Supports: – 500-mA, 300-mA, or 200-mA Loads Selectable PFM or COT Mode Operation 1.223-V ±1.2% Internal Voltage Reference Switching Frequency up to 600 kHz 900-µs Internal or Externally-Adjustable Soft Start Diode Emulation and Pulse Skipping for Ultra- High Light-Load Efficiency No Loop Compensation or Bootstrap Components Precision Enable and Input UVLO With Hysteresis Open-Drain Power Good Indicator Thermal Shutdown Protection With Hysteresis Pin-to-Pin Compatible With the LM5165 10-Pin, 3-mm × 3-mm VSON Package Create a Custom Regulator Design Using WEBENCH® Power Designer 2 Applications Factory and Building Automation Automotive and Battery-Powered Applications High Voltage LDO Replacement Low Power Bias Supplies 3 Description The LM5166 is a compact, easy-to-use, 3-V to 65-V, ultra-low IQ synchrono...