Product Overview: LM5009ASD/NOPB

The LM5009ASD/NOPB is a high-voltage, high-efficiency buck regulator designed by Texas Instruments. This advanced power solution integrates a 100 V N-Channel MOSFET, which allows it to efficiently step down high input voltages to a lower output voltage, making it an ideal choice for a variety of demanding applications.

Key Features

• Input Voltage Range: The LM5009ASD/NOPB operates from an input voltage range of 9.7 V to 100 V, providing flexibility for use in systems with high input voltage requirements.
• Output Voltage: It delivers an adjustable output voltage that can be set from 2.5 V to 90% of the input voltage, ensuring compatibility with a wide range of downstream components.
• Switching Frequency: The regulator features a fixed frequency PWM (Pulse Width Modulation) control method with a switching frequency of 150 kHz, which helps to optimize the size of the external components and maintain high efficiency.
• Integrated MOSFET: The inclusion of the 100 V N-Channel MOSFET within the package reduces the number of external components required, simplifying design and reducing overall system size.
• Protection Features: It comes with built-in thermal shutdown, overcurrent protection, and undervoltage lockout, ensuring safe operation under abnormal operating conditions.

Package and Applications

The LM5009ASD/NOPB is available in a compact LLP-8 package, making it suitable for space-constrained applications. Its robust design and wide input voltage range make it an excellent choice for industrial power supplies, automotive systems, telecom infrastructure, and other high-voltage applications.

Quality and Reliability

As with all Texas Instruments products, the LM5009ASD/NOPB is designed to meet high standards of quality and reliability. It is RoHS compliant and is designed to withstand the demanding conditions of industrial and automotive environments.

With its combination of high-voltage capability, integrated features, and compact design, the LM5009ASD/NOPB from Texas Instruments stands out as a versatile and reliable buck regulator suitable for a wide range of high-voltage power conversion applications.