The LP2951C-3.3MDC is a precision low-dropout (LDO) voltage regulator manufactured by Rochester Electronics. As a continuation part, it maintains the original specifications of the original manufacturer. This regulator provides a fixed 3.3V output with excellent accuracy and low quiescent current, making it suitable for battery-powered and portable applications. The low dropout voltage enables operation with minimal input-to-output voltage difference.

Applications

• Battery-powered systems
• Portable devices
• Microprocessor power supplies
• Post-regulation for switching regulators
• Industrial control systems
• Wireless communication devices

Features

• Fixed 3.3V output: Provides a stable and regulated 3.3V output voltage.
• Low dropout voltage: Operates with a small input-to-output voltage difference.
• Low quiescent current: Minimizes current consumption when regulating.
• Error flag: Indicates when the output voltage falls out of regulation.
• Reverse battery protection: Protects the regulator from damage due to reverse polarity.
• Output current limiting: Prevents damage from overloads and short circuits.

Benefits

• Longer battery life: Low quiescent current extends battery life in portable applications.
• Stable voltage: Provides a consistent and regulated 3.3V output voltage.
• Reliable operation: Robust design ensures reliable performance in demanding conditions.
• Protection: Built-in protection features prevent damage from common electrical faults.
• Drop-in replacement: Suitable as a direct replacement for the original part.

Additional Details

The LP2951C-3.3MDC is available in a SOIC-8 package. It's designed to operate with a wide range of input voltages and provides a fixed 3.3V output with a specified tolerance. The error flag feature can be used to monitor the output voltage and detect any abnormal conditions.

For detailed electrical specifications, application notes, and thermal considerations, refer to the Rochester Electronics datasheet for the LP2951C-3.3MDC. It is important to follow the recommended circuit design guidelines to ensure optimal performance and stability. This includes proper selection of input and output capacitors.