Texas Instruments provides a recommended PCB layout in the datasheet, but it's also recommended to follow general guidelines for LDO regulator layout, such as keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing trace lengths and widths.
To ensure stability, the output capacitor should meet the minimum ESR (Equivalent Series Resistance) and capacitance requirements specified in the datasheet. Additionally, the capacitor should be placed close to the device and the PCB layout should be designed to minimize parasitic inductance and resistance.
The maximum input voltage rating of the TPS71701DCKTG4 is 15V, but it's recommended to operate the device within the specified input voltage range (5.5V to 12V) to ensure optimal performance and reliability.
The TPS71701DCKTG4 is rated for operation up to 125°C, but the device's performance and reliability may degrade at high temperatures. It's recommended to follow the thermal design guidelines in the datasheet and to consider using thermal management techniques, such as heat sinks or thermal interfaces, to maintain a safe operating temperature.
The power dissipation of the TPS71701DCKTG4 can be calculated using the formula: Pd = (Vin - Vout) x Iout, where Vin is the input voltage, Vout is the output voltage, and Iout is the output current. The device's thermal resistance (RθJA) should also be considered to ensure that the junction temperature remains within the specified range.
TPS71701DCKTG4 datasheet
by Texas Instruments
