LM2577N-15/NOPB - Texas Instruments

The LM2577N-15/NOPB from Texas Instruments is a highly versatile DC-DC converter that is part of the Simple Switcher® series of power regulators. This device is designed to efficiently step-up (boost) or step-down (buck) voltages, which makes it an ideal choice for a wide range of applications, such as battery-operated devices, embedded systems, and portable electronics.

Key Features:

• Adjustable Output Voltage: The LM2577N-15/NOPB offers an adjustable output voltage range, which can be set with two external resistors. This flexibility allows designers to tailor the output to suit their specific requirements.
• High Efficiency: This device is capable of delivering high efficiency, which is essential for prolonging battery life in portable applications and reducing heat generation in enclosed environments.
• 3.0 A Switch Current Capability: The integrated switch can handle up to 3.0 A, making it suitable for a variety of high-power applications.
• Wide Input Voltage Range: It operates with an input voltage range from 3.5 V to 40 V, accommodating a broad spectrum of power sources.
• 52 kHz Fixed Frequency Internal Oscillator: The fixed frequency simplifies noise filtering and provides predictable performance.
• Thermal Shutdown and Current Limit Protection: Built-in protection features ensure the longevity and reliability of both the LM2577N-15/NOPB and the end application under adverse conditions.

Applications:

• Power supplies for battery-operated devices
• Embedded systems and microcontroller power supplies
• Positive to negative converter (inverting)
• Step-up or step-down voltage applications

The LM2577N-15/NOPB comes in a through-hole, 5-pin TO-220 package, which is commonly used for easy mounting on printed circuit boards. Its robust design and comprehensive feature set make it a reliable and efficient solution for managing power in a variety of electronic devices. With the NOPB (No Lead (Pb)) designation, this component is compliant with RoHS regulations, making it suitable for use in environmentally sensitive applications.