Manufacturer Part Number
LM2931AD50R
Manufacturer
STMicroelectronics
Introduction
The LM2931AD50R is a low dropout (LDO) regulator designed for power management, specifically catering to applications requiring low input voltage and low power consumption.
Product Features and Performance
Low dropout voltage: 0.6V @ 100mA
Fixed output voltage: 5V
Output current capacity: 100mA
Low quiescent current: 1 mA
Power supply rejection ratio (PSRR): 75dB at 120Hz
Thermal shutdown and current limit protection
Operating temperature range: -40°C to 125°C
Product Advantages
High-efficiency due to low dropout voltage
Suitable for battery-operated devices because of low quiescent current
Improved system reliability through thermal shutdown and current limit protection
Wide operating temperature range allows for use in various environments
Key Technical Parameters
Voltage Input (Max): 26V
Voltage Output (Min/Fixed): 5V
Current Output: 100mA
Current Quiescent (Iq): 1 mA
PSRR: 75dB (120Hz)
Operating Temperature: -40°C ~ 125°C
Quality and Safety Features
Current limit protection to prevent overcurrent conditions
Thermal shutdown feature to protect against overheating
Compatibility
The LM2931AD50R features a surface mount package (8-SOIC), making it compatible with a wide range of PCB designs.
Application Areas
Battery-powered devices
Portable electronics
Automotive applications
Low-power electrical systems
Product Lifecycle
Product Status: Active
The LM2931AD50R is currently in active production with no indication of near-term discontinuation. Availability of replacements or upgrades should be monitored through official STM announcements.
Several Key Reasons to Choose This Product
Extremely low dropout voltage enhances power efficiency.
Low quiescent current is ideal for battery conservation in portable devices.
Built-in protection features ensure long-term reliability and safety.
Wide operating temperature range makes it suitable for harsh environments.
Compatibility with common surface mount technology facilitates easy integration into designs.
Active product lifecycle status ensures ongoing availability and support.