LD1117AS12TR Voltage Regulator
- Brand: STMicroelectronics
- Product Code: LD1117AS12TR
- Availability: In Stock
$0.15
- Ex Tax: $0.15
STMicroelectronics LD1117AS12TR: High-Performance Linear Voltage Regulation
Engineered for precision and reliability, the LD1117AS12TR from STMicroelectronics represents the pinnacle of linear voltage regulation technology. This fixed-output regulator delivers a stable 1.2V voltage supply while maintaining exceptional efficiency across diverse operating conditions. Designed for modern electronic systems requiring consistent power management, this device combines advanced thermal protection with industrial-grade durability to ensure optimal performance in demanding environments.
Technical Excellence in Power Management
At the core of this regulator's performance lies its ability to maintain stable output despite fluctuating input conditions. With a maximum input voltage capability of 15V and a dropout voltage of just 1.3V at full 1A load, the LD1117AS12TR demonstrates superior efficiency compared to conventional linear regulators. The device's 80dB PSRR (Power Supply Rejection Ratio) at 120Hz ensures minimal noise interference, making it particularly suitable for sensitive analog circuits and precision instrumentation applications.
| Parameter | Specification |
|---|---|
| Output Voltage | 1.2V Fixed |
| Output Current | 1A |
| Dropout Voltage | 1.3V @ 1A |
| Operating Temperature | 0°C to 125°C |
Robust Design for Industrial Applications
Manufactured using STMicroelectronics' advanced BCDMOS process, this regulator incorporates comprehensive protection mechanisms that safeguard against common operational hazards. The integrated over-temperature and over-current protection features automatically regulate device performance under stress conditions, preventing potential damage while maintaining system stability. These safety features make the LD1117AS12TR particularly well-suited for industrial control systems, automotive electronics, and embedded computing platforms where reliability is paramount.
The SOT-223 package design optimizes thermal dissipation while maintaining a compact footprint, enabling efficient heat management in space-constrained designs. This surface-mount device (SMD) package facilitates automated assembly processes while ensuring excellent thermal performance through its optimized lead frame design. The regulator's 10mA quiescent current consumption further enhances its efficiency profile, making it an ideal choice for power-sensitive applications.
Versatile Implementation Across Industries
With its combination of performance characteristics and robust design, this voltage regulator finds application across multiple domains. In industrial automation systems, it provides stable power for programmable logic controllers (PLCs) and sensor interfaces. Consumer electronics manufacturers utilize its consistent output for powering microcontrollers and digital signal processors in audio equipment and smart home devices. The automotive sector benefits from its stable regulation in body control modules and infotainment systems, where fluctuating vehicle electrical conditions demand reliable voltage conversion.
Electronics designers appreciate the device's ease of implementation, requiring minimal external components while delivering exceptional regulation accuracy. Its compatibility with standard design tools and SPICE models streamlines the integration process, reducing development time and accelerating time-to-market for new product designs. The regulator's compliance with industry-standard quality certifications further reinforces its position as a trusted component in mission-critical applications.
Tags: Voltage Regulator, Linear Regulator, STM Components, Industrial Electronics, SOT-223 Package