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LDK320M33R

LDK320M33R Description

The LDK320M33R is a high-performance linear voltage regulator from STMicroelectronics, designed to provide a stable 3.3V output with a maximum output current of 200mA. It features a fixed output type, ensuring consistent voltage regulation across a wide range of input voltages up to 18V. With a low dropout voltage of 0.35V at 200mA, the LDK320M33R offers excellent performance even under heavy load conditions.

LDK320M33R Features

• Voltage Regulation: The LDK320M33R provides a fixed 3.3V output voltage, ensuring reliable voltage regulation for sensitive electronic components.
• Low Dropout Voltage: With a dropout voltage of 0.35V at 200mA, the LDK320M33R maintains stable output voltage even under heavy load conditions.
• Low Quiescent Current: The LDK320M33R consumes only 90µA in quiescent mode, making it ideal for battery-powered applications where power consumption is critical.
• Excellent PSRR: The LDK320M33R boasts a power supply rejection ratio (PSRR) of 88dB at 120Hz to 48dB at 10kHz, ensuring minimal noise coupling from the input to the output.
• Protection Features: The LDK320M33R includes over current and over temperature protection features, safeguarding the device and connected components from damage.
• Mounting Type: The LDK320M33R is available in a surface-mount package, making it suitable for space-constrained applications.

LDK320M33R Applications

The LDK320M33R is ideal for a wide range of applications where stable and reliable voltage regulation is required. Some specific use cases include:

1. Portable Electronics: Due to its low quiescent current, the LDK320M33R is well-suited for battery-powered devices such as smartphones, tablets, and wearables.
2. Industrial Control Systems: The LDK320M33R's ability to handle high input voltages and provide stable output voltage makes it suitable for industrial control systems and automation equipment.
3. Telecommunications: The LDK320M33R can be used in telecommunications equipment, where stable voltage regulation is critical for maintaining signal integrity.
4. Automotive Electronics: The LDK320M33R's robust protection features and wide input voltage range make it suitable for automotive electronics, such as infotainment systems and sensor interfaces.

Conclusion of LDK320M33R

The LDK320M33R from STMicroelectronics is a versatile and reliable linear voltage regulator, offering a fixed 3.3V output with excellent performance characteristics. Its low dropout voltage, low quiescent current, and robust protection features make it an ideal choice for a wide range of applications, from portable electronics to industrial control systems. With its surface-mount packaging and compliance with RoHS3 standards, the LDK320M33R is a top choice for designers looking to incorporate a high-performance voltage regulator into their next project.