SpeedFit™ Design Simulator
Simulate and evaluate the performance of SiC-based power circuits and determine the right SiC device in seconds.
Start a SimulationSpeedVal Kit Half-Bridge Duty Control Questions
TMDSCNCD280039C,
EVAL-ADUM4122WHB1Z,
MOD-PWR-MM-C3M0040120K,
MOD-MB-HB-0900V-40A,
MOD-ACC-BUCKBOOST-400uH
I bought that product
The duty ratio was 50% with 48v power.
Buck mode produced a 24V output.
96V came out when it was in boost mode.
Even if the duty ratio is adjusted (5-50%), the voltage does not change significantly.
May I know how much voltage regulation can be?
Comments
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Thank you for your post, it has been approved and we will respond as soon as possible.
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Greetings:
This evaluation platform utilizes open loop control. When running as a boost converter, if there is no load or light load and the inductor current runs in DCM or discontinuous current mode, the controller may not be able to properly regulate the output voltage. Adding load to the output will improve regulation. In boost converter mode, we recommend placing a fixed load resistor with a maximum value of 1000 ohms and sufficient power rating for the desired output voltage across the output at all times.
Julius R
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