LM2576TV-ADJ

Voltage Regulators - DC DC Switching Regulators Overview

The LM2576TV-ADJ is a monolithic integrated circuit from the LM2576 series, functioning as a step-down (buck) switching regulator. It provides an adjustable output voltage ranging from 1.23V to 37V with a maximum output current of 3A. The device operates with a fixed internal oscillator frequency of 52kHz and accepts input voltages between 7V and 40V. Designed for through-hole mounting, it utilizes a TO-220-5 package. The component supports both positive and negative output configurations and includes built-in thermal shutdown and current limiting protection mechanisms.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a fixed 52kHz oscillator and error amplifier for stable PWM control without external timing components.
• Features comprehensive protection circuits including cycle-by-cycle current limiting and thermal shutdown.
• Supports external control pin for standby mode operation to minimize quiescent current consumption.

Voltage Regulators - DC DC Switching Regulators Applications

• Efficient step-down DC-DC converters for general power supplies
• Pre-regulators for linear regulators to improve efficiency
• Positive-to-negative converter topologies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify RoHS compliance status as manufacturing sources may vary. Confirm lead times due to potential supply chain fluctuations. Ensure the specific suffix matches required packaging and environmental standards. Cross-reference datasheet revisions for any parameter updates before final design integration.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a robust, high-current buck regulator is needed in a through-hole package. The adjustable output allows flexibility for various voltage rails. Consider thermal management requirements given the 3A capability and TO-220-5 form factor. Verify input voltage range compatibility with the system's power source.

Voltage Regulators - DC DC Switching Regulators Part Context

Part of the widely adopted LM2576 family, known for replacing linear regulators in efficient designs. The TV suffix denotes the through-hole TO-220-5 package variant. This series is recognized for its simplicity, requiring minimal external components compared to discrete solutions.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2576T-ADJ is a direct functional equivalent within the same series. Check package compatibility and manufacturer-specific electrical tolerances when substituting.