The maximum power dissipation of TLC2264CN is 670mW at 25°C free-air temperature, but it can be increased by using a heat sink or by reducing the ambient temperature.
The output capacitor should be chosen based on the output voltage ripple requirement, output current, and ESR (Equivalent Series Resistance). A general rule of thumb is to use a capacitor with a value between 10uF to 100uF and an ESR of less than 1 ohm.
The EN (enable) pin is used to turn the regulator on or off. When the EN pin is high, the regulator is enabled, and when it is low, the regulator is disabled. This pin can be used to implement power sequencing or to turn off the regulator when not in use.
Yes, TLC2264CN can operate in high-temperature environments, but the maximum junction temperature should not exceed 150°C. The device should be derated for high-temperature operation, and the power dissipation should be reduced accordingly.
To ensure stability, the output capacitor should be chosen carefully, and the ESR should be within the recommended range. Additionally, the input capacitor should be placed close to the VIN pin, and the output capacitor should be placed close to the VOUT pin.
TLC2264CN datasheet
by Texas Instruments
