Diotec Semiconductor

LDI8119-3.3EN

LDI8119-3.3EN Description

The LDI8119-3.3EN is a high-performance linear voltage regulator designed by Diotec Semiconductor, offering a fixed output voltage of 3.3V. This regulator is optimized for low power consumption, with a quiescent current of only 3.6 µA, making it ideal for battery-operated and energy-sensitive applications. It features a wide input voltage range, capable of handling up to 18V, and can deliver a maximum output current of 500mA. The regulator is designed with a low dropout voltage of 0.125V at 100mA, ensuring efficient operation even at low input-to-output voltage differentials.

LDI8119-3.3EN Features

• Low Quiescent Current: With a quiescent current of just 3.6 µA, the LDI8119-3.3EN minimizes power consumption, making it suitable for applications where energy efficiency is critical.
• High PSRR: The regulator boasts a high power supply rejection ratio (PSRR) of 80dB to 45dB across the frequency range of 100Hz to 10kHz, ensuring stable output voltage even in the presence of input voltage noise.
• Fixed Output Voltage: The LDI8119-3.3EN provides a fixed output voltage of 3.3V, simplifying design and ensuring consistent performance.
• Over Current and Over Temperature Protection: Built-in protection features safeguard the regulator against over current and over temperature conditions, enhancing reliability and longevity.
• Enable Control Feature: The enable feature allows for dynamic control of the regulator's operation, providing additional flexibility in power management.
• Surface Mount Package: The regulator is available in a surface mount package, facilitating easy integration into compact and high-density PCB designs.
• Positive Output Configuration: The positive output configuration ensures compatibility with a wide range of electronic systems and applications.

LDI8119-3.3EN Applications

The LDI8119-3.3EN is well-suited for a variety of applications where low power consumption, high efficiency, and stable voltage regulation are essential. Key applications include:

• Battery-Powered Devices: Ideal for portable electronics, such as smartphones, tablets, and IoT devices, where minimizing power consumption is crucial.
• Embedded Systems: Suitable for microcontroller-based systems and other embedded applications requiring stable and efficient power regulation.
• Communication Equipment: Applicable in routers, modems, and other communication devices where high PSRR and low dropout voltage are beneficial.
• Industrial Control Systems: Useful in various industrial applications where reliable power regulation and protection features are required.

Conclusion of LDI8119-3.3EN

The LDI8119-3.3EN from Diotec Semiconductor stands out as a highly efficient and reliable linear voltage regulator. Its low quiescent current, high PSRR, and low dropout voltage make it an excellent choice for applications demanding minimal power consumption and stable voltage regulation. The built-in protection features and enable control further enhance its versatility and reliability. Whether used in battery-powered devices, embedded systems, or industrial applications, the LDI8119-3.3EN offers a robust solution for efficient power management.