The maximum operating temperature range for the TPS2459RHBT is -40°C to 125°C. However, it's recommended to operate within -20°C to 85°C for optimal performance.
To ensure proper power-up and initialization, make sure to follow the recommended power-up sequence: VCC, then EN, and finally IN. Also, ensure that the input voltage is within the recommended range and that the EN pin is properly biased.
For optimal performance, it's recommended to follow a 4-layer PCB design with a solid ground plane, and to keep the input and output traces as short as possible. Also, ensure that the device is placed close to the input capacitors and that the output capacitors are placed close to the load.
The TPS2459RHBT has built-in overcurrent protection and fault detection. The device will automatically shut down in case of an overcurrent event. To detect faults, monitor the FAULT pin, which will go low in case of an overcurrent or overtemperature event.
The recommended input capacitor value is 10uF to 22uF, with an X5R or X7R dielectric type. This ensures stable operation and minimizes input voltage ripple.
TPS2459RHBT datasheet
by Texas Instruments
