A good PCB layout for the TPS51219RTET involves placing the input capacitors close to the VIN pin, using a solid ground plane, and keeping the high-current paths short and wide. TI provides a recommended layout in the datasheet and in application notes.
Choose input capacitors with low ESR and high ripple current rating. For output capacitors, choose ones with low ESR and high capacitance. TI recommends using ceramic or polymer capacitors with X5R or X7R dielectrics. The datasheet provides guidelines for capacitor selection.
The TPS51219RTET is rated for operation from -40°C to 125°C. However, the maximum ambient temperature range depends on the specific application and the device's power dissipation. Consult the datasheet and thermal design guidelines for more information.
To ensure stability, follow the datasheet's guidelines for component selection and PCB layout. Use a compensation network as recommended in the datasheet, and ensure that the output capacitor has a low ESR. Additionally, avoid using capacitors with high ESL and ensure that the input voltage is within the recommended range.
The TPS51219RTET is capable of delivering up to 2A of output current. However, the maximum output current depends on the input voltage, output voltage, and thermal design. Consult the datasheet and application notes for more information.
TPS51219RTET datasheet
by Texas Instruments
