LM2575T-ADJ, 1.23V–37V Adjustable Step-Down Voltage Regulator, TO-220-5

The LM2575T-ADJ is a monolithic integrated circuit designed for step-down (buck) switching regulator applications. It provides an adjustable output voltage range from 1.23V to 37V and is capable of driving a 1A load with high efficiency. The device requires only a few external components, simplifying the design of power supplies. Its built-in features, such as thermal shutdown and current limit protection, ensure reliable operation in various conditions. The LM2575T-ADJ is suitable for applications including simple high-efficiency step-down regulators, efficient pre-regulators for linear regulators, on-card switching regulators, and battery chargers.​

Key Features:

• Adjustable Output Voltage: Provides an output voltage range from 1.23V to 37V, offering flexibility for various applications.​
• 1A Output Current Capability: Capable of delivering up to 1A of continuous output current with excellent line and load regulation.​
• Wide Input Voltage Range: Operates over an input voltage range of 4V to 40V, accommodating diverse power sources.​
• Fixed 52kHz Switching Frequency: Ensures predictable performance and simplifies filter design.​
• Comprehensive Protection Features: Includes thermal shutdown and current limit protection to safeguard the device under fault conditions.​
• Low Standby Current: Features a low standby current of approximately 50 µA, enhancing energy efficiency in standby mode.​

Additional Specifications:

• Package Type: TO-220-5​
• Supply Voltage: 4-40V
• Current: 1A
• Type: Step Down Buck Voltage Regulator