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LDI1117-3.3U

LDI1117-3.3U Description

The LDI1117-3.3U is a high-performance linear voltage regulator designed by Diotec Semiconductor, offering a fixed output voltage of 3.3V. This regulator is engineered to provide a stable and reliable power supply for a variety of electronic applications. With a maximum input voltage of 15V and a dropout voltage of only 1.25V at 1A, the LDI1117-3.3U ensures efficient power conversion even under varying load conditions. Its quiescent current of 10 mA and a Power Supply Rejection Ratio (PSRR) of 75dB at 120Hz further enhance its performance, making it suitable for noise-sensitive applications.

LDI1117-3.3U Features

• Output Type: Fixed at 3.3V, ensuring consistent power delivery.
• Input Voltage Range: Capable of handling up to 15V, providing flexibility in power source selection.
• Output Current: Delivers up to 1.35A, making it suitable for a wide range of applications requiring moderate power.
• Dropout Voltage: Low dropout voltage of 1.25V at 1A ensures high efficiency, especially in low-voltage applications.
• Protection Features: Over-current and over-temperature protection safeguard the regulator and connected components from damage.
• Mounting Type: Surface mount technology (SMT) allows for compact and efficient integration into modern PCB designs.
• Package: Supplied in a Tape & Reel (TR) package, facilitating automated assembly processes.
• PSRR: An impressive 75dB at 120Hz, making it ideal for applications where noise reduction is critical.

LDI1117-3.3U Applications

The LDI1117-3.3U is well-suited for a variety of applications where a stable and efficient power supply is required. Its fixed 3.3V output and low dropout voltage make it particularly useful in:

• Consumer Electronics: Ideal for powering microcontrollers, sensors, and other low-voltage components in devices such as smartphones, tablets, and IoT devices.
• Industrial Equipment: Suitable for providing stable power to control systems and instrumentation where reliability and efficiency are paramount.
• Telecommunications: Can be used in base stations and networking equipment to power critical components without compromising performance.
• Automotive Electronics: Due to its robust design and protection features, it can be used in automotive applications where high reliability and protection against over-current and over-temperature conditions are essential.

Conclusion of LDI1117-3.3U

The LDI1117-3.3U from Diotec Semiconductor stands out as a reliable and efficient linear voltage regulator. Its fixed 3.3V output, low dropout voltage, and high PSRR make it an excellent choice for applications requiring stable power with minimal noise. The inclusion of over-current and over-temperature protection ensures the longevity and reliability of the device, making it a robust solution for both consumer and industrial applications. With its surface mount package and compatibility with automated assembly processes, the LDI1117-3.3U offers a seamless integration experience for designers and engineers.