STMicroelectronics KF50BD-TR Linear Voltage Regulator
- Brand: STMicroelectronics
- Product Code: KF50BD-TR
- Availability: In Stock
$0.35
- Ex Tax: $0.35
Advanced 5V Linear Voltage Regulation for Modern Electronics
STMicroelectronics' KF50BD-TR linear voltage regulator represents the pinnacle of precision power management solutions for demanding electronic applications. This surface-mount IC combines exceptional performance characteristics with robust protection features, making it an ideal choice for engineers seeking reliable voltage regulation in compact designs. With its fixed 5V output and 500mA current capability, this device addresses the power requirements of modern digital circuits, sensor interfaces, and portable equipment where stable voltage references are critical.
The KF50BD-TR's advanced architecture delivers impressive line and load regulation specifications, maintaining output stability even under fluctuating operating conditions. Its 20V maximum input voltage capability provides design flexibility for systems requiring wide input range operation. The device's low dropout voltage of 0.7V at full load enables efficient operation in battery-powered applications where every millivolt counts. This combination of features makes it particularly well-suited for automotive electronics, industrial control systems, and consumer devices that demand consistent power performance.
Technical Specifications
| Parameter | Value |
|---|---|
| Output Voltage | 5V Fixed |
| Output Current | 500mA |
| Input Voltage Range | Up to 20V |
| Dropout Voltage | 0.7V @ 500mA |
| Operating Temperature | -40°C to 125°C |
Engineers will appreciate the device's comprehensive protection features that include integrated over-temperature and over-current safeguards. These built-in mechanisms ensure reliable operation even in challenging environments, preventing damage from abnormal operating conditions. The device's enable control function provides additional system design flexibility, allowing for power sequencing and remote shutdown capabilities in complex electronic systems.
Manufactured in an 8-SOIC surface mount package, the KF50BD-TR combines space-saving design with excellent thermal performance. Its 3.90mm package width makes it compatible with standard PCB footprints while maintaining sufficient thermal dissipation for demanding applications. The device's quiescent current of just 1mA ensures minimal power consumption in standby modes, making it an excellent choice for energy-conscious designs targeting low-power IoT devices and portable electronics.
The regulator's impressive PSRR (Power Supply Rejection Ratio) of 76dB at 120Hz extending to 60dB at 10kHz provides exceptional noise rejection capabilities. This feature proves particularly valuable in audio applications, precision measurement equipment, and RF circuits where maintaining clean power rails is essential for optimal performance. The device's stability and noise rejection characteristics eliminate the need for additional filtering components in many applications, reducing overall system complexity and cost.
As part of STMicroelectronics' comprehensive power management portfolio, the KF50BD-TR benefits from the manufacturer's decades of semiconductor expertise. This IC is designed to meet stringent automotive and industrial standards, with production testing verifying performance across its entire operating temperature range. Its tape-and-reel packaging facilitates automated assembly processes, ensuring consistent manufacturing yields for high-volume production environments.
Tags: Linear Voltage Regulator, 5V Power Management, 500mA IC, Surface Mount Technology, STMicroelectronics Components