Diotec Semiconductor

LDI8119-2.5EN

LDI8119-2.5EN Description

The LDI8119-2.5EN is a high-performance, low-dropout linear regulator designed for a wide range of power management applications. Manufactured by Diotec Semiconductor, this IC is part of the Power Management (PMIC) category and is optimized for efficiency and reliability. The LDI8119-2.5EN features a fixed output voltage of 2.5V and is capable of delivering up to 500mA of output current. It operates with a maximum input voltage of 18V and maintains a low quiescent current of 3.6 µA, making it suitable for battery-powered and low-power consumption systems.

LDI8119-2.5EN Features

• Low Quiescent Current: The LDI8119-2.5EN boasts a quiescent current of only 3.6 µA, which is crucial for extending battery life in portable devices.
• High PSRR: With a Power Supply Rejection Ratio (PSRR) ranging from 80dB to 45dB across frequencies from 100Hz to 10kHz, this regulator effectively filters out noise from the input supply, ensuring clean and stable output voltage.
• Low Dropout Voltage: The maximum dropout voltage is 0.22V at 100mA, allowing the regulator to maintain high efficiency even when the input voltage is close to the output voltage.
• Enable Control Feature: The regulator includes an enable feature, allowing for dynamic control of the power supply, which is beneficial for power sequencing and system power management.
• Protection Features: The LDI8119-2.5EN incorporates over-current and over-temperature protection mechanisms, safeguarding the device and connected circuits from damage.
• Surface Mount Packaging: The surface mount package type ensures ease of integration into modern PCB designs, facilitating compact and efficient board layouts.
• Positive Output Configuration: The regulator provides a positive output voltage, suitable for a wide range of applications requiring a stable power supply.

LDI8119-2.5EN Applications

The LDI8119-2.5EN is ideal for applications requiring a stable and efficient power supply with low power consumption. Specific use cases include:

• Portable Devices: Ideal for battery-operated devices such as smartphones, tablets, and wearable technology where low quiescent current and high PSRR are critical for extended battery life and noise-free operation.
• Consumer Electronics: Suitable for powering sensitive analog circuits in consumer electronics, ensuring clean power supply and minimal noise interference.
• Industrial Equipment: Can be used in industrial control systems where reliable power management and protection features are essential.
• Medical Devices: Applicable in medical equipment where low dropout voltage and high PSRR are necessary for stable and noise-free power supply.

Conclusion of LDI8119-2.5EN

The LDI8119-2.5EN from Diotec Semiconductor stands out as a robust and efficient linear regulator, offering a combination of low quiescent current, high PSRR, and low dropout voltage. These features make it an excellent choice for a variety of applications, particularly those requiring low power consumption and high reliability. The inclusion of enable control and protection features further enhances its versatility and safety. Whether in portable devices, consumer electronics, industrial equipment, or medical devices, the LDI8119-2.5EN delivers stable and efficient power management, making it a standout solution in the PMIC category.