LMR33630CDDAR

The LMR33630CDDAR is a high-performance, step-down (buck) voltage regulator manufactured by Texas Instruments. It is designed to provide a compact and efficient solution for converting higher input voltages to lower output voltages, making it suitable for a variety of applications, including portable devices, industrial equipment, and battery-powered systems.

Key Features:

1. Input Voltage Range: The LMR33630 supports a wide input voltage range, typically from 3V to 36V, allowing it to be used in various power supply scenarios.

2. Output Voltage: The device can be configured to output a fixed voltage, commonly 3.3V or 5V, or it can be adjusted to provide a custom output voltage down to 0.8V, depending on the specific application requirements.

3. Output Current: It is capable of delivering up to 3A of continuous output current, making it suitable for powering demanding loads.

4. Efficiency: The LMR33630 is designed for high efficiency, often exceeding 90% under typical operating conditions. This efficiency helps to minimize heat generation and prolong battery life in portable applications.

5. Package Type: The device comes in a compact, thermally enhanced DDA package, which is a 16-pin HTQFP (Thin Quad Flat Package). This package design aids in efficient thermal management and allows for a smaller PCB footprint.

6. Switching Frequency: The regulator operates at a fixed switching frequency, typically around 1.2 MHz, which helps to reduce the size of external components such as inductors and capacitors.

7. Protection Features: The LMR33630 includes several built-in protection features, such as thermal shutdown, overcurrent protection, and undervoltage lockout, ensuring reliable operation and safeguarding against potential damage.

8. Soft Start: The device features a soft-start function that limits inrush current during startup, helping to prevent voltage overshoot and ensuring a smooth power-up sequence.

9. Compensation: It has an internal compensation scheme that simplifies the design process, allowing for stable operation across a wide range of load conditions without the need for external components.

Applications:

The LMR33630 is ideal for a variety of applications, including:

• Battery-powered devices
• Point-of-load (POL) converters
• Industrial automation systems
• Telecommunications equipment
• Consumer electronics

Conclusion:

Overall, the LMR33630CDDAR from Texas Instruments is a versatile and efficient buck regulator that provides a reliable solution for converting higher voltages to lower levels in a compact form factor. Its combination of high efficiency, robust protection features, and ease of use makes it a popular choice among engineers and designers in various fields.