The LM2590HVS-3.3/NOPB is a high-performance integrated circuit manufactured by Texas Instruments, designed to provide a fixed output voltage of 3.3V. It belongs to the LM2590 Simple Switcher® Power Converter series, which are known for their ease of use and robust design. This particular model is an adjustable regulator with a 150 kHz fixed-frequency internal oscillator.

Key Features

• Output Voltage: Precisely regulated 3.3V output, making it ideal for powering digital circuits that require a stable voltage supply.
• High Efficiency: Capable of delivering up to 1A of output current with high efficiency, which reduces power loss and heat generation.
• Voltage Range: Operates over a wide input voltage range from 4.5V to 60V, accommodating a variety of input sources and fluctuating power supplies.
• Thermal Shutdown and Current Limit Protection: Features built-in thermal shutdown and current limit protection to safeguard the device and the load from excessive power and temperature conditions.
• Low Standby Current: The quiescent current is low, which makes it suitable for battery-powered applications where power conservation is crucial.
• Package: Available in a TO-263 package, which is designed for optimal heat dissipation and space-saving on PCBs.
• Lead-Free and RoHS Compliant: The NOPB designation indicates that the device is lead-free and compliant with RoHS regulations, making it suitable for use in environmentally sensitive applications.

Applications

The LM2590HVS-3.3/NOPB is versatile and can be used in a wide range of applications, including:

• Simple high-efficiency step-down (buck) regulators
• Efficient pre-regulators for linear regulators
• On-card switching regulators for elimination of noise and distribution problems associated with single-point regulation
• Positive to negative converter (Buck-Boost)

In conclusion, the LM2590HVS-3.3/NOPB from Texas Instruments is a reliable and efficient solution for applications requiring a fixed 3.3V output voltage. Its robust feature set and compliance with environmental standards make it a preferred choice for engineers and designers across various industries.