KIT_6W_13V_P7_950V
Auxiliary DC-DC supply solution featuring off-line SMPS current mode controller IC with 950V CoolMOS™ P7 superjunction MOSFET
In power supplies that are used for server, telecom and industrial applications there is typically a small bias power supply in addition to the main power converter. This KIT_6W_13V_P7_950V bias board is designed to run in a system where it is continuously powered from the 400VDC output of a boost power factor correction (PFC) converter and provides power to the fan, gatedrivers, and controller. This board uses the ICE5QSAG quasi-resonant (QR) flyback controller and the new 950V CoolMOS™ P7 (IPU95R3K7P7). This 950V breakdown voltage gives additional margin in the system to ensure the bias continues to run through surge events. This design was done as a snubberless flyback converter to further improve the efficiency over the entire load range.
Summary of Features
- Quasi-resonant flyback using a Infineon’s second generation controller
- Snubberless operation to improve efficiency
- 950V breakdown voltage allows operating off of higher input voltages
- Primary side regulated 13V and a secondary side unregulated 13V output
Benefits
- High efficiency
- Low cost solution
- Reduced PCB hotspot due to elimination of the snubber network
Potential Applications
List of components
- Quasi-resonant flyback PWM controller
(ICE5QSAG) - 950VCoolMOS™ P7 SJ power device
(IPU95R3K7P7)
