Professional IC Distribution & Technical Solutions

The LP2951ACN is a low-dropout voltage regulator manufactured by National Semiconductor (NSC). Below are its key specifications, descriptions, and features:

Specifications:

• Output Voltage Options: Fixed (3.0V, 3.3V, 5.0V) or Adjustable (1.24V to 29V)
• Output Current: 100mA (guaranteed)
• Dropout Voltage: 380mV (typical at 100mA load)
• Input Voltage Range: Up to 30V
• Line Regulation: 0.02% (typical)
• Load Regulation: 0.04% (typical)
• Quiescent Current: 75µA (typical)
• Operating Temperature Range: -40°C to +125°C
• Package: 8-Pin DIP (PDIP)

Descriptions:

• The LP2951ACN is a precision voltage regulator with low dropout, designed for battery-powered applications.
• It includes features like current limit protection, thermal shutdown, and reverse battery protection.
• Suitable for applications requiring stable voltage with minimal power loss.

Features:

• Low Dropout Voltage: Operates efficiently with small input-output differentials.
• Low Quiescent Current: Extends battery life in portable devices.
• Error Flag Output: Warns of low output voltage (power failure detection).
• Thermal Shutdown Protection: Prevents damage from overheating.
• Reverse Battery Protection: Safeguards against incorrect polarity connection.
• Stable with Low-ESR Capacitors: Works reliably with ceramic or tantalum capacitors.

The LP2951ACN is commonly used in automotive, industrial, and consumer electronics applications.