STMicroelectronics

LDK220M33R

LDK220M33R Description

The LDK220M33R is a Linear Voltage Regulator IC produced by STMicroelectronics, designed to provide a stable 3.3V output with a maximum current of 200mA. It features a fixed output voltage, with a minimum guaranteed output of 3.3V and a maximum input voltage of 13.2V. The device is housed in a compact SOT23-5 package, making it ideal for space-constrained applications. The LDK220M33R is currently active and unaffected by REACH regulations, ensuring compliance with environmental standards.

LDK220M33R Features

• Fixed Output Voltage: The LDK220M33R provides a stable 3.3V output, ideal for applications requiring a fixed voltage supply.
• Low Dropout Voltage: With a maximum dropout voltage of 0.35V at 200mA, the LDK220M33R maintains high efficiency even under heavy load conditions.
• Single Regulator: The device features a single output regulator, simplifying design and reducing component count.
• Positive Output Configuration: The LDK220M33R provides a positive output voltage, suitable for a wide range of applications.
• Low Quiescent Current: The device consumes only 90µA in quiescent mode, minimizing power consumption in battery-powered applications.
• PSRR: The LDK220M33R offers an excellent power supply rejection ratio of 55dB at 120Hz to 50dB at 10kHz, ensuring stable operation in noisy environments.
• RoHS Compliance: The device is compliant with RoHS3 standards, making it suitable for environmentally conscious designs.
• Over Current and Over Temperature Protection: The LDK220M33R includes built-in protection features to safeguard against potential damage.

LDK220M33R Applications

The LDK220M33R is ideal for a variety of applications where a stable 3.3V supply is required. Some specific use cases include:

• Portable Electronics: Due to its low quiescent current and fixed output voltage, the LDK220M33R is well-suited for battery-powered devices like smartphones, tablets, and wearables.
• Industrial Control Systems: The device's ability to handle a wide input voltage range and provide a stable output makes it an excellent choice for industrial control systems and automation equipment.
• Telecommunications: The LDK220M33R can be used in telecommunications equipment to provide a stable power supply for sensitive components.

Conclusion of LDK220M33R

The LDK220M33R is a versatile Linear Voltage Regulator IC from STMicroelectronics, offering a fixed 3.3V output with low dropout voltage and excellent PSRR. Its compact SOT23-5 package, low quiescent current, and built-in protection features make it an ideal choice for a wide range of applications, from portable electronics to industrial control systems. With its RoHS compliance and unaffected REACH status, the LDK220M33R is a reliable and environmentally friendly solution for your power supply needs.