STMicroelectronics provides a recommended PCB layout in the VIPER012HS evaluation board user manual, which includes guidelines for component placement, thermal management, and routing. Following this layout can help ensure optimal performance and minimize electromagnetic interference (EMI).
The transformer selection depends on the input voltage, output voltage, and power rating of your application. STMicroelectronics provides a transformer selection guide in the VIPER012HS datasheet, which includes a list of recommended transformers and their characteristics. You can also use online transformer selection tools or consult with a transformer manufacturer to find the right transformer for your design.
While the datasheet specifies an operating temperature range of -40°C to 150°C, the maximum ambient temperature for reliable operation depends on the specific application and cooling conditions. As a general rule, it's recommended to keep the ambient temperature below 85°C to ensure reliable operation and minimize the risk of overheating.
To ensure EMC in your design, follow the guidelines in the VIPER012HS datasheet and application notes, including proper PCB layout, component selection, and shielding. Additionally, consider using EMI filters, common-mode chokes, and other EMC mitigation techniques to reduce electromagnetic radiation and susceptibility.
The recommended input capacitor type and value depend on the input voltage, frequency, and ripple current requirements of your application. As a general rule, use a low-ESR ceramic or film capacitor with a value of 1-10 μF, and ensure that it's rated for the maximum input voltage and operating temperature.
VIPER012HS datasheet
by STMicroelectronics
