The LP3985IBP-2.5 from Texas Instruments is a high-quality and high-performance product. It is a low-noise, low-dropout, and high-precision voltage regulator, designed to meet the rigorous demands of a variety of applications, such as mobile phones, PDAs, and similar portable devices.

• Fixed Output Voltage: 2.5V
• Maximum Output Current: 150 mA
• Dropout Voltage: 120 mV at 150 mA load current
• Output Noise: 30 µVRMS with bypass capacitor
• PSRR at 1 kHz: 60 dB
• Thermal Protection: Built-in current limit and thermal shutdown protection
• Package: Tiny 5-bump DSBGA
• Current Consumption: Shutdown mode reduces supply current to less than 1µA