Diotec Semiconductor

LDI812C-3.3UA

LDI812C-3.3UA Description

The LDI812C-3.3UA is a high-performance linear voltage regulator designed by Diotec Semiconductor, a leading manufacturer in the power management integrated circuit (PMIC) domain. This regulator is specifically engineered to provide a stable and efficient power supply for a variety of electronic applications. With a fixed output voltage of 3.3V and a maximum input voltage of 16V, the LDI812C-3.3UA ensures reliable operation within a wide range of input conditions. It features a low quiescent current of 1.8 µA, which is crucial for minimizing power consumption in low-power and battery-operated devices. The regulator also boasts a high power supply rejection ratio (PSRR) of 49dB at 120Hz, effectively filtering out noise from the input supply and ensuring clean and stable output voltage.

LDI812C-3.3UA Features

• Low Quiescent Current: The LDI812C-3.3UA operates with a minimal quiescent current of 1.8 µA, making it highly suitable for applications where power efficiency is paramount. This feature significantly reduces power loss and extends battery life in portable and low-power devices.
• High PSRR: With a PSRR of 49dB at 120Hz, the regulator effectively attenuates input voltage noise and ripple, ensuring a clean and stable output voltage. This is particularly beneficial in sensitive analog and mixed-signal applications where noise can impact performance.
• Fixed Output Voltage: The regulator provides a fixed output voltage of 3.3V, eliminating the need for external resistors and simplifying the design process. This fixed output configuration is ideal for applications requiring a stable and precise voltage supply.
• Low Dropout Voltage: The LDI812C-3.3UA has a low dropout voltage of 0.41V at 10mA, allowing it to maintain regulation even when the input voltage is close to the output voltage. This feature is advantageous in applications where the input voltage may vary or drop significantly.
• Surface Mount Packaging: The regulator is available in a surface mount package, making it easy to integrate into modern printed circuit board (PCB) designs. This packaging option is ideal for compact and space-constrained applications.
• Active Product Status: As an active product from Diotec Semiconductor, the LDI812C-3.3UA benefits from ongoing support and availability, ensuring long-term reliability and compatibility for new and existing projects.

LDI812C-3.3UA Applications

The LDI812C-3.3UA is highly versatile and suitable for a range of applications, including:

• Battery-Powered Devices: The low quiescent current and high PSRR make this regulator ideal for portable devices such as smartphones, tablets, and wearable electronics where power efficiency and noise reduction are critical.
• Consumer Electronics: In devices like digital cameras, media players, and smart home appliances, the LDI812C-3.3UA ensures stable power supply and minimal power loss, enhancing overall system performance and efficiency.
• Industrial Equipment: For industrial applications requiring reliable and stable power supply, the regulator’s robust performance and low dropout voltage make it a preferred choice. It can be used in sensors, actuators, and control systems where precise voltage regulation is essential.
• Medical Devices: In medical equipment such as portable monitors and diagnostic tools, the regulator’s low noise and stable output voltage are crucial for accurate measurements and reliable operation.

Conclusion of LDI812C-3.3UA

The LDI812C-3.3UA from Diotec Semiconductor stands out as a reliable and efficient linear voltage regulator, offering a combination of low quiescent current, high PSRR, and low dropout voltage. Its fixed output voltage and surface mount packaging further simplify design integration and enhance compatibility with modern electronic systems. Whether used in battery-operated devices, consumer electronics, industrial equipment, or medical devices, the LDI812C-3.3UA provides a stable and efficient power supply solution, ensuring optimal performance and reliability.