The STMicroelectronics LE33CZ-AP is a linear voltage regulator providing a fixed 3.3V output. It features a 100mA output current and operates within a temperature range of -40°C to 125°C.
The STMicroelectronics LE33CZ-TR is a linear voltage regulator IC providing a fixed 3.3V output at up to 100mA. It features a low dropout voltage and is housed in a TO-92-3 package.