STMicroelectronics

LDK120C18R

LDK120C18R Description

The LDK120C18R is a high-performance linear regulator designed by STMicroelectronics, a leading manufacturer in the electronics industry. This IC is specifically tailored for applications requiring a fixed output voltage of 1.8V and a maximum output current of 200mA. The regulator is housed in a compact SOT323-5 package, making it suitable for surface-mount applications where space is a critical consideration.

LDK120C18R Features

• Output Type: Fixed at 1.8V, ensuring stable power supply for sensitive electronic components.
• Input Voltage Range: Operates efficiently within a maximum input voltage of 5.5V, providing flexibility in power source selection.
• Output Current: Capable of delivering up to 200mA, making it ideal for low-power applications.
• Low Dropout Voltage: With a maximum dropout voltage of 0.3V at 200mA, the LDK120C18R ensures high efficiency even at low input-to-output voltage differentials.
• Low Quiescent Current: Features a quiescent current of only 60 µA, minimizing power consumption in standby mode.
• Control Features: Includes an enable pin, allowing for dynamic control of the regulator's operation.
• Protection Features: Equipped with over-current and over-temperature protection, ensuring reliable operation under various conditions.
• Power Supply Rejection Ratio (PSRR): Achieves a PSRR of 55dB in the frequency range of 120Hz to 10kHz, providing excellent noise immunity.
• Compliance: Meets REACH and RoHS3 compliance, ensuring environmental safety and regulatory adherence.
• Moisture Sensitivity Level: MSL 1 (Unlimited), making it suitable for a wide range of manufacturing environments.

LDK120C18R Applications

The LDK120C18R is well-suited for a variety of applications where low power consumption, high efficiency, and compact size are paramount. Some specific use cases include:

• Consumer Electronics: Ideal for portable devices such as smartphones, tablets, and wearable technology where space and power efficiency are critical.
• Industrial Applications: Suitable for low-power sensors, IoT devices, and other industrial equipment requiring a reliable and efficient power supply.
• Medical Devices: Can be used in medical monitoring equipment and portable medical devices where precision and reliability are essential.
• Automotive: Applicable in automotive electronics, particularly in systems requiring low power consumption and high reliability.

Conclusion of LDK120C18R

The LDK120C18R from STMicroelectronics stands out as a robust and efficient linear regulator, offering a perfect balance of performance and compact design. Its low dropout voltage, low quiescent current, and high PSRR make it an ideal choice for applications where power efficiency and noise immunity are crucial. With its comprehensive protection features and compliance with environmental standards, the LDK120C18R ensures reliable operation in a wide range of electronic devices. Whether in consumer electronics, industrial systems, or medical devices, the LDK120C18R delivers the stability and efficiency required for modern low-power applications.