The STMicroelectronics LD3985M30R is a linear voltage regulator IC providing a fixed 3V output at up to 150mA. It is housed in a compact SOT-23-5 package.
The STMicroelectronics LD3985M25R is a linear voltage regulator providing a fixed 2.5V output with a 150mA current capability. It is housed in a surface-mount SOT-23-5 package.