STMicroelectronics LD2980ABM50TR 5V 50mA Linear Voltage Regulator

STMicroelectronics LD2980ABM50TR: High-Precision Linear Voltage Regulation for Modern Electronics

In today's rapidly evolving electronics landscape, engineers demand components that combine reliability, efficiency, and precision. The STMicroelectronics LD2980ABM50TR emerges as a standout solution for voltage regulation needs, offering a perfect blend of performance and versatility. This fixed-output linear regulator delivers 5V at 50mA through its compact SOT-23-5 package, making it an ideal choice for space-constrained applications requiring stable power delivery.

Technical Excellence in Voltage Regulation

Engineered with STMicroelectronics' advanced semiconductor technology, the LD2980ABM50TR demonstrates exceptional regulation characteristics. Its 0.225V dropout voltage at 50mA load ensures minimal power loss while maintaining output stability across varying input conditions. The device accepts input voltages up to 16V, providing ample headroom for diverse power supply configurations while maintaining precise 5V output regulation.

Key performance metrics highlight its superiority in linear regulation:

Advanced Protection Features

Beyond its electrical specifications, the LD2980ABM50TR incorporates comprehensive protection mechanisms essential for modern electronic systems. Integrated over-temperature and over-current safeguards ensure reliable operation under demanding conditions. These features make it particularly suitable for battery-powered devices where thermal management and power efficiency are critical.

The device's enable control function offers designers additional flexibility for power management strategies. This feature allows easy integration with microcontroller-based systems for dynamic power optimization, making it an excellent choice for IoT devices and wearable electronics.

Design and Application Versatility

Housed in a compact SOT-23-5 package, this regulator enables space-saving designs without compromising performance. Its surface-mount configuration simplifies PCB layout and assembly processes, aligning perfectly with modern manufacturing requirements. The LD2980ABM50TR finds applications across multiple domains:

• Portable consumer electronics

• Industrial measurement equipment

• Communication modules

• Medical monitoring devices

Engineers will appreciate its stable performance across the -40°C to +125°C operating temperature range, ensuring reliability in both harsh industrial environments and consumer applications subject to varying thermal conditions.

Energy Efficiency and EMI Reduction

The LD2980ABM50TR's 150µA quiescent current design demonstrates STMicroelectronics' commitment to energy efficiency. This ultra-low standby consumption makes it particularly suitable for always-on systems where power conservation is paramount. The 63dB power supply rejection ratio (PSRR) at 1kHz further enhances system performance by effectively attenuating input voltage noise.

For designers concerned about electromagnetic interference, the device's inherent characteristics as a linear regulator produce minimal switching noise compared to alternative DC-DC solutions. This makes it an excellent choice for sensitive analog circuits and RF applications requiring clean power delivery.

Quality and Reliability

As part of STMicroelectronics' extensive portfolio of power management solutions, the LD2980ABM50TR undergoes rigorous quality testing to meet the highest industry standards. The device's active status in the manufacturer's catalog assures long-term availability for production systems, while its tape-and-reel packaging facilitates automated assembly processes.

When seeking precision voltage regulation in a compact form factor, the LD2980ABM50TR represents a perfect balance of performance, protection, and power efficiency. Its combination of technical specifications and reliability makes it a preferred choice for engineers developing next-generation electronic systems where space constraints and power integrity are critical design considerations.

Tags: Voltage Regulator IC, Low Dropout Regulator, SOT23-5 Package, Linear Power Module, Precision Voltage Control