The LP2951CS-5.0 is a low dropout (LDO) voltage regulator from Sipex Corporation. It is designed to provide a stable 5V output voltage with very low dropout voltage and quiescent current. This makes it ideal for battery-powered systems and other applications where efficiency and long battery life are critical.

Applications:

• Battery-Powered Systems
• Portable Equipment
• Post-Regulation for Switching Power Supplies
• Microprocessor Power Supplies
• Logic Power Supplies

Features:

• Fixed Output Voltage: 5V
• Low Dropout Voltage: Typically 380mV @ 100mA
• Low Quiescent Current: Typically 75µA
• Output Current: Up to 100mA
• Overcurrent and Overtemperature Protection
• Shutdown Capability
• Adjustable Output Voltage via External Resistors

Benefits:

• Extended Battery Life: Low quiescent current minimizes power consumption in standby mode, maximizing battery life.
• Stable and Accurate Output: Provides a stable and accurate 5V output voltage, ensuring proper operation of connected circuits.
• Robust Protection: Integrated overcurrent and overtemperature protection safeguard the regulator and the load from damage.
• Adjustable Output: The output voltage can be adjusted using external resistors, providing flexibility in system design.
• Shutdown Feature: The shutdown feature allows the regulator to be turned off, further reducing power consumption.

Specifications:

The LP2951CS-5.0 features a fixed 5V output voltage, with a typical dropout voltage of 380mV at 100mA. The quiescent current is typically 75µA. It can deliver an output current of up to 100mA. It also includes overcurrent and overtemperature protection. It is available in an 8-pin SOIC package.