LE50CD-TR Linear Voltage Regulator IC - 5V Output, 100mA, 8-SOIC Package

High-Precision Voltage Regulation for Modern Electronics

The LE50CD-TR from STMicroelectronics represents a new standard in linear voltage regulation technology, offering engineers precise power management solutions for demanding applications. This 5V fixed-output regulator combines compact packaging with robust performance characteristics, making it an ideal choice for space-constrained designs requiring stable power delivery.

Advanced Design for Reliable Performance

Engineered with STMicroelectronics' proprietary semiconductor technology, the LE50CD-TR delivers exceptional voltage stability across varying load conditions. Its 18V maximum input voltage capability creates a wide operating range that accommodates fluctuating power sources while maintaining a consistent 5V output. The device's 100mA output current capacity makes it suitable for powering sensitive analog circuits, digital logic, and sensor interfaces in modern electronic systems.

One of the standout features is its exceptional quiescent current control, drawing just 1mA under normal operation and rising to a maximum of 3mA during peak demand. This low-power design philosophy extends battery life in portable devices while minimizing thermal dissipation in fixed installations. The regulator's impressive 76dB PSRR (Power Supply Rejection Ratio) at 120Hz ensures clean, noise-free output even when working with less stable power sources.

Comprehensive Protection Architecture

Built-in safety mechanisms ensure long-term reliability in challenging environments. The integrated over-temperature protection automatically reduces output current when thermal thresholds are exceeded, while the over-current protection circuitry safeguards against short-circuit conditions. These features make the LE50CD-TR particularly well-suited for industrial automation systems and automotive electronics where reliability is paramount.

The device's surface-mount 8-SOIC package (3.90mm width) combines miniaturization with efficient heat dissipation. This compact footprint allows designers to implement precision voltage regulation in space-critical applications while maintaining compatibility with standard PCB assembly processes. The tape-and-reel packaging format further enhances its appeal for automated manufacturing environments.

Optimized for Diverse Applications

From IoT sensor nodes to precision measurement equipment, the LE50CD-TR demonstrates remarkable versatility. Its enable control feature allows for power sequencing in complex systems, while the low dropout voltage enables operation in low-headroom scenarios. The device excels in applications requiring clean power for microcontrollers, RF modules, and analog front-ends where voltage stability directly impacts system performance.

In consumer electronics, the regulator's noise suppression characteristics benefit audio circuits and imaging sensors. Industrial control systems benefit from its wide operating temperature range and robust protection features. The device also finds application in test equipment where measurement accuracy depends on stable reference voltages.

Technical Excellence in Power Management

STMicroelectronics' commitment to quality is evident in the LE50CD-TR's design specifications. The regulator maintains output accuracy across its entire operating range, with minimal variation due to line or load changes. Its dynamic response characteristics ensure stable operation during sudden load transitions, preventing voltage spikes that could disrupt downstream circuitry.

The device's enable pin provides system designers with power control flexibility, allowing for power-saving modes and controlled startup sequences. This feature integrates seamlessly with system power management architectures, contributing to overall energy efficiency in complex electronic systems.

Tags: Voltage Regulation, Electronic Components, Power Management, Semiconductor Devices, Integrated Circuits