LM34927SDX/NOPB

The LM34927SDX/NOPB is a high-performance, synchronous step-down (buck) regulator from Texas Instruments, designed to provide efficient power conversion for a variety of applications. This device is particularly well-suited for powering processors, FPGAs, and other digital circuits that require a stable and efficient power supply.

Key Features:

1. Input Voltage Range: The LM34927SDX/NOPB operates over a wide input voltage range, typically from 4.5V to 17V, making it versatile for different power supply environments.

2. Output Voltage: The regulator can be configured to output a voltage as low as 0.8V, with an adjustable output voltage option, allowing for flexibility in design.

3. High Efficiency: With a peak efficiency of up to 95%, the LM34927SDX/NOPB minimizes power loss, which is crucial for battery-powered applications and helps in thermal management.

4. Synchronous Operation: The device features synchronous rectification, which reduces conduction losses and improves overall efficiency compared to traditional diode-based designs.

5. Current Capability: It can deliver up to 2A of continuous output current, making it suitable for a range of applications from low-power to moderate-power devices.

6. Integrated Features: The LM34927SDX/NOPB includes integrated high-side and low-side MOSFETs, which simplifies the design and reduces the number of external components required.

7. Compensation: The regulator employs a voltage-mode control scheme with internal compensation, which simplifies the design process and enhances stability across a wide range of load conditions.

8. Protection Features: It includes several built-in protection features such as overcurrent protection, thermal shutdown, and under-voltage lockout, ensuring reliable operation and safeguarding the connected load.

9. Package Type: The device is available in a compact, thermally efficient package (typically a 16-pin HTQFP), which is suitable for space-constrained applications.

10. Operating Temperature Range: The LM34927SDX/NOPB is rated for operation over a wide temperature range, typically from -40°C to +125°C, making it suitable for industrial and automotive applications.

Applications:

The LM34927SDX/NOPB is ideal for a variety of applications, including:

• Powering microcontrollers and microprocessors
• FPGA power supplies
• Point-of-load (POL) converters
• Battery-powered devices
• Telecommunications equipment
• Industrial automation systems

Conclusion:

The LM34927SDX/NOPB from Texas Instruments is a robust and efficient buck regulator that combines high performance with ease of use. Its wide input voltage range, high efficiency, and integrated features make it a popular choice for designers looking to implement reliable power solutions in their electronic systems.