STMicroelectronics provides a recommended PCB layout in the application note AN2861, which includes guidelines for component placement, routing, and thermal management to ensure optimal performance and minimize electromagnetic interference (EMI).
The L9700DTR-E can be configured for different output voltage and current settings using external resistors and capacitors. The datasheet provides a formula to calculate the required values, and STMicroelectronics also offers a online configurator tool to simplify the process.
The L9700DTR-E is rated for operation in an ambient temperature range of -40°C to 150°C, but the maximum junction temperature (TJ) should not exceed 150°C. The device should be derated for temperatures above 125°C to ensure reliable operation.
The L9700DTR-E has built-in overvoltage protection (OVP) and undervoltage lockout (UVLO) features. However, additional external protection circuits may be required depending on the application. STMicroelectronics recommends using a voltage supervisor IC, such as the STM6627, to provide additional protection and monitoring.
The typical startup time for the L9700DTR-E is around 10 ms, but this can vary depending on the input voltage, output voltage, and load conditions. The datasheet provides more detailed information on the startup characteristics.
