PL8310 is a monolithic 36V, 1A step-down switching regulator. PL8310 integrates a 36V 250mΩ high side and a 36V, 140mΩ low side MOSFETs to provide 1A continuous load current over a 4.5V to 36V wide operating input voltage with 33V input over voltage protection. Peak current mode control provides fast transient responses and cycle-by-cycle current limiting. PL8310 has configurable line drop compensation, configurable charging current limit. CC/CV mode control provides a smooth transition between constant current charging and constant voltage charging stages. Built-in soft-start prevents inrush current at power-up.
3 Applications
USB car charger
Portable charging device
General purpose DC-DC conversion
1A continuous output current capability
4.5V to 36V wide operating input range with 33V input Over Voltage Protection
Integrated 36V, 250mΩhigh side and 36V, 140m Ωlow side power MOSFET switches
Up to 97% efficiency
Internal Soft-Start limits the inrush current at turn-on
Internal compensation to save external components
Input Under-Voltage Lockout
Input over-voltage protection to protect device from working in high voltage and high current
Output Over-Voltage Protection
Output short protection with both high side current limit and low side current limit to
Over-Temperature Protection
Pulse skip mode at light load to improve light load efficiency
Stable with Low ESR Ceramic Output Capacitors
Fixed 150KHz Switching Frequency
Fewest external components and intensive internal protection features