Introduction to LD1117S33CTR
The LD1117S33CTR is a low-dropout voltage regulator developed by STMicroelectronics. It is a monolithic device that provides a fixed output voltage of 3.3V and is designed to provide a stable and reliable power supply for a wide range of applications, including automotive, industrial, and consumer electronics. The LD1117S33CTR is specifically designed to deliver high performance and efficiency in a small, surface-mount package.
Features
The LD1117S33CTR voltage regulator incorporates a wide range of features that contribute to its performance and reliability:
- Fixed Output Voltage: The voltage regulator provides a fixed output voltage of 3.3V, ensuring stable and reliable power supply for a wide range of applications.
- Low Dropout Voltage: The regulator features a low dropout voltage of 1.2V at 800mA, enabling efficient power delivery and minimizing losses in the power system.
- Thermal Overload Protection: The regulator includes thermal overload protection that prevents damage to the device in the event of excessive temperature conditions.
- Short-Circuit Current Limiting: The regulator also features short-circuit current limiting that protects the device from damage in the event of a short circuit.
- RoHS Compliant: The regulator is compliant with the Restriction of Hazardous Substances (RoHS) directive, ensuring environmental safety and compliance with regulatory requirements.
Specifications
The following table provides an overview of the key specifications for the LD1117S33CTR voltage regulator:
| Parameter | Value |
| Output Voltage | 3.3V |
| Input Voltage Range | 4.25V to 15V |
| Dropout Voltage | 1.2V (at 800mA) |
| Maximum Output Current | 800mA |
| Quiescent Current | 5mA |
| Operating Temperature Range | -40°C to +125°C |
| Thermal Overload Protection | Yes |
| Short-Circuit Current Limiting | Yes |
| Package | DPAK, D2PAK, TO-220 |
Conclusion
The LD1117S33CTR voltage regulator from STMicroelectronics offers high performance, efficiency, and advanced features specifically tailored for a wide range of applications. With its fixed output voltage, low dropout voltage, thermal overload protection, and short-circuit current limiting, it provides a reliable platform for a wide range of power supply designs.
Whether you're developing automotive, industrial, or consumer electronics, the LD1117S33CTR voltage regulator delivers the capabilities needed to meet your project requirements. With its wide input voltage range, high current capability, and RoHS compliance, it enables you to create innovative power supply designs that excel in performance, reliability, and environmental safety.
STMicroelectronics provides a complete suite of development tools, including reference designs, evaluation boards, and software libraries, to support designers throughout the development process. These tools streamline the design process, allowing you to efficiently bring your power supply projects to life.
To learn more about the LD1117S33CTR voltage regulator, refer to the datasheet and application note provided by STMicroelectronics. These resources offer detailed information on the regulator's specifications, electrical characteristics, and application details.
Choose the LD1117S33CTR voltage regulator for your power supply projects, and leverage its advanced features, high efficiency, and reliability to create cutting-edge power supply designs. With its exceptional performance and functionality, it empowers you to bring your ideas to life and drive innovation in the field of power electronics.
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