PWR004 LM5146Q Wide Range Input Buck Power Supply

PWR004 LM5146Q Wide Range Input Buck Power Supply – Detailed Product Page

PWR004 PCB intended for a local power supply for gateways and other devices powered over longer cable runs or in applications where a wide input range is required.

QuickLinks

PWR004 LM5146Q Wide Range Input Buck Power Supply – Downloads
– Schematic and PCB in pdf
– Gerbers and BOM and Parts List
  • Nominal Input Range 10V to 60V
  • Nominal Output 5V
  • Nominal Output Current Limit 2A
  • Fsw ~300kHz
  • Large Input and Output Storage Capacitance for transient loads
  • Input Common Mode choke for EMC on Input
  • JSt PH 2mm or 3.5mm Screw Terminals
  • 65mm x 50mm

PWR004 PCB

 

Tests from 2021 02 02

Efficiency calculated from multimeter measurements with resistive load

Step load responses with switches resistive loads

Voltage measured at Vsw (Q1 Source) at different loads