STMicroelectronics provides a recommended PCB layout in the application note AN5275, which includes guidelines for component placement, routing, and thermal management to ensure optimal performance and minimize electromagnetic interference (EMI).
The TEA3718SDP can be configured for different output voltage and current requirements by adjusting the values of the external resistors RFB and RSENSE, and by programming the internal registers through the I2C interface. The STMicroelectronics documentation provides detailed equations and examples for calculating the required resistor values and register settings.
The TEA3718SDP is specified to operate over an ambient temperature range of -40°C to 125°C, but the maximum junction temperature (TJ) should not exceed 150°C. The device should be designed to operate within the recommended temperature range to ensure reliable operation and to prevent overheating.
To ensure EMC with the TEA3718SDP, follow the guidelines in the application note AN5275, which includes recommendations for PCB layout, component selection, and shielding. Additionally, ensure that the device is properly decoupled, and that the input and output filters are designed to meet the required EMC standards.
The typical efficiency of the TEA3718SDP depends on the input voltage, output voltage, and load current. According to the datasheet, the device can achieve an efficiency of up to 95% at 12V input, 5V output, and 1A load current. However, the actual efficiency may vary depending on the specific application and operating conditions.
TEA3718SDP datasheet
by STMicroelectronics
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