STMicroelectronics

LDK120M33R

LDK120M33R Description

The LDK120M33R is a high-performance, fixed-output linear voltage regulator from STMicroelectronics, designed for applications requiring a stable 3.3V output with low dropout voltage and high efficiency. With a maximum input voltage of 5.5V and an output current of 200mA, this regulator is ideal for low-power applications in various industries.

LDK120M33R Features

• Fixed Output Voltage: The LDK120M33R provides a fixed output voltage of 3.3V, ensuring consistent power delivery to sensitive electronic components.
• Low Dropout Voltage: With a maximum dropout voltage of 0.3V at 200mA, this regulator maintains high efficiency even under heavy load conditions.
• Low Quiescent Current: The LDK120M33R consumes only 60µA in quiescent mode, making it suitable for battery-powered applications.
• High PSRR: A power supply rejection ratio (PSRR) of 55dB (120Hz to 10kHz) ensures minimal noise coupling from the input to the output.
• Protection Features: Over current and over temperature protection ensure reliable operation and prevent damage to connected components.
• RoHS Compliance: The LDK120M33R is compliant with RoHS3 standards, making it suitable for environmentally conscious applications.
• REACH Unaffected: This product is not affected by REACH regulations, ensuring uninterrupted supply and compliance with European chemical regulations.

LDK120M33R Applications

The LDK120M33R is ideal for a variety of applications, including:

• Portable Electronics: Due to its low quiescent current and fixed output voltage, the LDK120M33R is perfect for battery-powered devices like smartphones, tablets, and wearables.
• Industrial Control Systems: Its high PSRR and low dropout voltage make it suitable for industrial control systems where stable power is crucial.
• Sensors and IoT Devices: The LDK120M33R's compact SOT23-5 package and low power consumption make it an excellent choice for sensors and IoT devices that require precise voltage regulation.

Conclusion of LDK120M33R

The LDK120M33R from STMicroelectronics is a versatile, high-performance linear voltage regulator that offers a fixed 3.3V output with low dropout voltage and high efficiency. Its low quiescent current, RoHS compliance, and REACH unaffected status make it an excellent choice for a wide range of applications, from portable electronics to industrial control systems. With its unique features and advantages, the LDK120M33R stands out as a reliable and efficient solution for voltage regulation in various electronic devices.