Not Recommended for New Designs ZVS Regulators PI358x-00 30 60V ZVS Buck Regulator IN Product Description Features & Benefits The PI358x-00 is a family of high input voltage, wide-input-range High-Efficiency HV ZVS Buck Topology DC-DC ZVS Buck regulators integrating controller and Wide input voltage range of 30 60V power switches within a high-density GQFN (UTAC s Grid-array QFN) package. Power up into pre-biased load < 6V The integration of a high-performance Zero-Voltage Switching Parallel capable with single-wire current sharing (ZVS) topology, within the PI358x-00 series, increases point-of-load Input Over/Undervoltage Lockout (OVLO/UVLO) performance providing best-in-class power efficiency. Output Overvoltage Protection (OVP) Output Voltage Overtemperature Protection (OTP) Device I Max OUT Set Range Fast and slow current limits 3.3V 2.2 4.0V 10A PI3583-00-QFYZ Differential amplifier for output remote sensing PI3585-00-QFYZ 5.0V 3.8 6.5V 10A User adjustable soft start & tracking PI3586-00-QFYZ 12.0V 6.5 14V 9A 20 to 120C operating range (T ) INT Applications HV to PoL Buck Regulator Applications Computing, Communications, Industrial, Automotive Equipment Package Information 37-Pin GQFN ZVS Regulators Rev 1.2 Page 1 of 45 08/2020PI358x-00 Not Recommended for New Designs Contents Order Information 3 Application Description 37 Thermal, Storage and Handling Information 3 Output Voltage Set Point 37 Absolute Maximum Ratings 3 Soft Start Adjust and Tracking 37 Functional Block Diagram 4 Inductor Pairing 37 Pin Description 5 Parallel Operation 38 Package Pinout 6 Filter Considerations 38 PI358x-00 Common Electrical Characteristics 7 VDR Bias Regulator 39 PI3583-00 (3.3V ) Electrical Characteristics 9 Additional System Design Considerations 39 OUT PI3585-00 (5.0V ) Electrical Characteristics 16 Layout Guidelines 40 OUT PI3586-00 (12.0V ) Electrical Characteristics 23 Recommended PCB Footprint 42 OUT Functional Description 30 Package Drawings 43 Remote Sensing 30 Revision History 44 Soft Start 32Warranty 45 Output Voltage Selection 32 Output Current Limit Protection 32 Input Undervoltage Lockout 32 Input Overvoltage Lockout 32 Output Overvoltage Protection 32 Overtemperature Protection 32 Pulse Skip Mode (PSM) 32 Variable Frequency Operation 32 Thermal Characteristics 32 SiP Power Dissipation as Percentage of Total System Losses 36 ZVS Regulators Rev 1.2 Page 2 of 45 08/2020