Voltage converter 50V to 12V/3A + 5V/3A
The dual voltage converter SPGW_V3A
was designed as part of an RF power amplifier project. The module generates
the additional auxiliary voltages of 12V and 5V from the 50V supply voltage of
the PA.
The voltage converters are designed as switching regulators with the LM2576HV-ADJ from Texas Instruments..
The dimensions of the board are 75 x 75mm.
|
Both voltages can be adjusted within the usual limits and can be loaded with up to 3A in continuous operation thanks to sufficiently dimensioned power chokes.
As can be seen from the schematic, both switching regulator
channels are completely separated, fused and filtered. The additional
filtering of the output voltages allows use in RF projects without switching
noise. |
|
|
|
|
|
The real setup also clearly shows the two separate channels for 12V and 5V.
The output voltages are routed to two 3-poleTerminals per channel.
The dimensioning of the components is in the BOM .
The Design was created with Diptrace V4. |
|
|
|
|
|
Last Update: 24.02.2022 DB8BH |
