KF25BDT-TR Linear Voltage Regulator by STMicroelectronics

Introducing the KF25BDT-TR Linear Voltage Regulator

STMicroelectronics continues to set industry standards with its KF25BDT-TR linear voltage regulator, a precision-engineered solution designed for modern power management applications. This fixed-output regulator delivers a stable 2.5V voltage with exceptional reliability, making it an ideal choice for engineers seeking consistent performance in compact electronic systems. The device combines advanced semiconductor technology with robust protection features, ensuring optimal operation across diverse environments.

Key Technical Specifications

Engineered with a DPAK (TO-252-3) surface-mount package, this regulator offers excellent thermal performance while maintaining compatibility with standard PCB assembly processes. Its quiescent current of just 1mA ensures minimal power loss during operation, while the 12mA maximum supply current provides ample headroom for dynamic load conditions.

Advanced Protection Features

The KF25BDT-TR incorporates comprehensive protection mechanisms that safeguard both the device and connected components:

• Integrated over-temperature protection prevents thermal runaway
• Embedded over-current protection ensures safe operation under fault conditions
• Stable PSRR performance (82dB ~ 60dB) across 120Hz to 10kHz frequencies

These features make it particularly suitable for applications in industrial control systems, automotive electronics, and high-reliability consumer devices where component failure could have significant consequences.

Performance Characteristics

This linear regulator excels in applications requiring precise voltage regulation and low noise performance. The device maintains exceptional line and load regulation across its operating range, with a dropout voltage specification that enables efficient operation in low-headroom scenarios. Its wide operating temperature range (-40°C to 125°C) ensures reliable performance in both extreme industrial environments and automotive applications.

The KF25BDT-TR's design philosophy emphasizes simplicity and ease of use. As a single-regulator solution with no external components required for basic operation, it streamlines circuit design while maintaining flexibility for customization. The device's packaging (Tape & Reel format) facilitates automated assembly processes, making it suitable for both prototyping and high-volume production scenarios.

Applications and Use Cases

This versatile regulator finds application in numerous fields including:

• Digital set-top boxes and home entertainment systems
• Industrial process control equipment
• Automotive infotainment and driver assistance systems
• Networking and telecommunications infrastructure
• Portable medical monitoring devices

Its combination of high current capability, thermal protection, and compact form factor makes it particularly well-suited for power-sensitive applications where space constraints and reliability are critical factors.

Why Choose the KF25BDT-TR?

Compared to similar devices in its class, the KF25BDT-TR offers several distinct advantages:

• Exceptional thermal performance in surface-mount packaging
• Wide input voltage range accommodating various power sources
• Robust protection features reducing system complexity
• High PSRR values minimizing noise in sensitive circuits

When integrated into designs requiring stable 2.5V power rails, this regulator demonstrates consistent performance across temperature variations and load conditions, making it a trusted choice for engineers worldwide.

Tags: Linear Regulator, Voltage Regulation, Power Management, Electronic Components, Semiconductor Devices