The LM2577N-ADJ/NOPB is a versatile adjustable output step-up (boost) voltage regulator from the reputable semiconductor manufacturer, Texas Instruments. This integrated circuit is part of the SIMPLE SWITCHER® family, designed to simplify the process of designing switch-mode power supplies with its easy-to-use features and minimal external components.

Key Features

• Adjustable Output Voltage: The device provides an adjustable output voltage range from 1.23V to 37V, which can be set with two external resistors.
• High Efficiency: The LM2577N-ADJ/NOPB operates with a high efficiency, reducing the amount of heat generated and improving system reliability.
• Wide Input Voltage Range: It supports a wide input voltage range from 3.5V to 40V, making it suitable for a variety of applications including battery-powered devices.
• 3A Output Current: The regulator can supply up to 3A of output current, sufficient for a range of power needs.
• 52kHz Fixed Frequency Internal Oscillator: The fixed frequency oscillator ensures a predictable performance and simplifies the design of the magnetic components.
• Thermal Shutdown and Current Limit Protection: Built-in safety features protect the device from excessive heat and current overloads.
• TO-220 Package: The device is available in the popular TO-220 package, which is easy to handle and compatible with standard PCB layouts.

Applications

The LM2577N-ADJ/NOPB is suitable for a wide array of applications, including but not limited to:

• Power supplies for various electronic devices
• Battery-operated equipment
• Portable instruments
• LED drivers
• Step-up voltage applications

Quality and Reliability

As with all Texas Instruments products, the LM2577N-ADJ/NOPB is designed to meet high standards of quality and reliability. It is RoHS compliant and lead-free, ensuring it meets the latest environmental standards and is suitable for use in a wide range of commercial and industrial markets.

Ordering Information

The part number LM2577N-ADJ/NOPB signifies the adjustable version with a standard lead finish, and the NOPB indicates that the product is lead-free. For ordering or to request samples, please visit the Texas Instruments website or contact an authorized distributor.