The recommended input capacitor value is 1uF to 10uF, depending on the input voltage and output current requirements. A larger capacitor value can help to reduce input ripple and improve output stability.
To ensure the TL7726CDR operates within its SOA, ensure that the input voltage, output current, and junction temperature are within the recommended limits. Also, avoid operating the device near its maximum ratings for extended periods.
The EN pin is used to enable or disable the regulator. When the EN pin is pulled low, the regulator is disabled, and the output voltage is turned off. This pin can be used to implement power sequencing or to turn off the regulator when not in use.
The TL7726CDR is rated for operation up to 125°C junction temperature. However, the device's performance and reliability may degrade at high temperatures. Ensure that the device is properly heatsinked and that the junction temperature is within the recommended limits.
To minimize noise and ensure reliable operation, follow good PCB layout practices such as separating analog and digital grounds, using a solid ground plane, and placing decoupling capacitors close to the regulator. Also, ensure that the input and output capacitors are placed close to the regulator and that the PCB traces are short and wide.
TL7726CDR datasheet
by Texas Instruments
