Overview Of This LM2576 ADJ SMD Surface Mount Voltage Regulator IC
The LM2576 ADJ SMD is an adjustable voltage regulator IC designed to provide a stable output voltage from a wide range of input voltages. It utilizes a switching regulator topology to achieve high efficiency and low power dissipation. The “SMD” designation indicates that it is a surface-mount device, making it suitable for easy integration onto printed circuit boards (PCBs) using surface-mount technology (SMT).
Specification
| Specification | Details |
|---|---|
| Manufacturer Part Number | LM2576ADJ |
| Package Type | SMD (Surface Mount Device) |
| Topology | Step-Down (Buck) |
| Input Voltage Range | Up to 40 volts |
| Output Voltage Range | Adjustable (typically 1.23 volts to 37 volts) |
| Output Current | Up to 3 amps |
| Efficiency | Up to 92% |
| Switching Frequency | Fixed |
| Operating Temperature Range | -40°C to +125°C |
| Dropout Voltage | Typically 1.3 volts |
| Features | Adjustable output voltage, thermal shutdown, current limiting, short-circuit protection |
| Packaging | Tape and Reel (TR) or Cut Tape (CT) |
Features
- Adjustable Output Voltage: The LM2576 ADJ variant allows for an adjustable output voltage, enabling flexibility in configuring the desired output voltage level based on specific application requirements.
- Step-Down (Buck) Topology: Utilizes a step-down (buck) topology, efficiently reducing higher input voltages to lower output voltages, suitable for various power supply applications.
- Wide Input Voltage Range: Capable of accepting input voltages up to 40 volts, making it suitable for use in a wide range of power supply configurations and applications.
- High Output Current: Capable of delivering output currents of up to 3 amps, suitable for powering a wide range of electronic devices and circuits.
- High Efficiency: Offers high efficiency ratings of up to 92%, ensuring minimal power loss during voltage conversion, resulting in improved energy efficiency and reduced heat dissipation.
- Fixed Switching Frequency: Operates with a fixed switching frequency, providing consistent performance and ease of design.
- Wide Operating Temperature Range: Designed to operate reliably in temperatures ranging from -40°C to +125°C, suitable for use in harsh environmental conditions.
- Built-in Protections: Incorporates built-in protections such as thermal shutdown, current limiting, and short-circuit protection to safeguard the IC and connected components from damage due to overtemperature, overcurrent, and short circuits.
- Surface Mount Package: Packaged in a surface mount device (SMD) format, facilitating easy integration onto printed circuit boards (PCBs) and enabling compact and space-saving designs.
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