The LP2985IM5X-2.85 is a low-dropout (LDO) voltage regulator from Texas Instruments (TI), formerly National Semiconductor. It is designed to provide a stable and accurate 2.85V output voltage with a low dropout voltage and low quiescent current.

Applications

• Portable Devices: Powering microcontrollers, sensors, and other components in battery-powered devices such as smartphones, tablets, and wearables.
• Wireless Communication Devices: Providing regulated voltage for RF transceivers, Bluetooth modules, and Wi-Fi chips.
• Microcontroller Power: Regulating the supply voltage for microcontrollers in embedded systems.
• Sensor Power: Providing stable voltage for sensors in data acquisition systems and industrial control applications.
• Post Regulation: Used after switching regulators to reduce ripple and noise.

Features

• Output Voltage: Fixed 2.85V output voltage.
• Low Dropout Voltage: Typically 45mV at 150mA.
• Low Quiescent Current: Typically 85μA.
• High Accuracy: ±0.5% output voltage accuracy.
• Stable with Ceramic Capacitors: Stable with small ceramic output capacitors.
• Current Limiting: Built-in current limiting protection.
• Thermal Shutdown: Built-in thermal shutdown protection.
• 5-Pin SOT-23 Package: Available in a small 5-Pin SOT-23 package.

Benefits

• Stable Output Voltage: Provides a stable and accurate 2.85V output voltage for reliable performance.
• Low Dropout Voltage: Operates with a small difference between input and output voltage, extending battery life.
• Low Quiescent Current: Minimizes power consumption in standby mode.
• Small Size: SOT-23 package allows for space-saving designs.
• Robust Protection: Current limiting and thermal shutdown protection prevent damage to the regulator and the load.

Additional Details

The LP2985IM5X-2.85 is designed to be stable with ceramic output capacitors, which are commonly used in portable devices due to their small size and low ESR. The input voltage range is typically from 2.5V to 6V. The regulator includes built-in protection features, such as current limiting and thermal shutdown, to prevent damage from overloads and excessive temperatures. Refer to the Texas Instruments (TI) datasheet for the LP2985IM5X-2.85 for detailed electrical characteristics, application information, and package dimensions.