Texas Instruments

UA78M33CDCY

UA78M33CDCY Description

The UA78M33CDCY is a high-performance linear voltage regulator designed and manufactured by Texas Instruments. This fixed-output regulator is specifically designed to provide a stable 3.3V output with a maximum current of 500mA. It features a single output configuration and is housed in a compact SOT223-4 package, making it ideal for space-constrained applications. The regulator is designed to operate within a wide input voltage range of up to 25V, ensuring compatibility with various power sources.

UA78M33CDCY Features

• Fixed Output Voltage: The UA78M33CDCY provides a stable 3.3V output, making it suitable for a wide range of applications requiring a fixed voltage supply.
• High Efficiency: With a maximum voltage dropout of 2V at 350mA, the regulator offers high efficiency and low power dissipation.
• Robust Protection Features: The device includes over current, over temperature, and short circuit protection, ensuring reliable operation and long-term durability.
• Excellent PSRR: The UA78M33CDCY boasts an 80dB power supply rejection ratio at 120Hz, providing superior noise immunity and stability.
• Compliance: The regulator is RoHS3 compliant and REACH unaffected, ensuring environmental compliance and safety.
• Operating Temperature Range: The device is designed to operate within a wide temperature range of 0°C to 125°C, making it suitable for various environmental conditions.

UA78M33CDCY Applications

The UA78M33CDCY is ideal for a variety of applications where a stable and reliable voltage supply is required. Some specific use cases include:

1. Portable Electronic Devices: Due to its low output voltage and compact form factor, the UA78M33CDCY is perfect for powering portable devices such as smartphones, tablets, and wearables.
2. Industrial Control Systems: The regulator's robust protection features and wide operating temperature range make it suitable for use in industrial control systems, ensuring reliable operation in harsh environments.
3. Automotive Applications: The UA78M33CDCY can be used in automotive electronics, providing a stable voltage supply to various components such as infotainment systems and sensors.

Conclusion of UA78M33CDCY

The UA78M33CDCY is a versatile and reliable linear voltage regulator from Texas Instruments, offering a fixed 3.3V output with a maximum current of 500mA. Its unique features, such as high efficiency, robust protection, and excellent PSRR, make it an ideal choice for a wide range of applications, including portable electronics, industrial control systems, and automotive electronics. With its compact form factor and compliance with environmental regulations, the UA78M33CDCY is a dependable solution for ensuring stable and reliable power supply in various electronic systems.