LM2576DP-ADJ

Voltage Regulators - DC DC Switching Regulators Overview

The LM2576DP-ADJ is a monolithic integrated circuit step-down switching regulator from TAEJIN, designed for easy and convenient buck converter implementation. It supports an adjustable output voltage range of 1.23V to 37V with a maximum over-line and load condition tolerance of ±4%. The device guarantees a 3.0A output current capability and operates with a wide input voltage range. It utilizes a 52kHz fixed frequency internal oscillator and requires only four external components for operation.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated thermal shutdown and current limit protection mechanisms
• TTL shutdown capability enabling low power standby mode
• High efficiency performance using readily available standard inductors

Voltage Regulators - DC DC Switching Regulators Applications

• Simple high-efficiency step-down (buck) regulators
• Efficient pre-regulators for linear regulators
• On-card switching regulators
• Positive to negative converters (buck-boost)
• Negative step-up converters

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the manufacturer origin carefully, as the LM2576 series is primarily associated with Texas Instruments and onsemi. Confirm that TAEJIN Technology Co. is the authorized producer for this specific part number variant. Ensure datasheet specifications match the required electrical parameters before integration into designs.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a robust 3A step-down solution is needed with minimal external parts count. The adjustable version offers flexibility for custom voltage requirements within the specified range. Consider the 52kHz switching frequency for inductor selection and ensure adequate thermal management for continuous 3.0A loads.

Voltage Regulators - DC DC Switching Regulators Part Context

This component belongs to the LM2576 series of SIMPLE SWITCHER regulators. It shares functional similarities with other manufacturers' versions like those from National Semiconductor or onsemi. The adjustable variant provides design flexibility compared to fixed-output versions such as 5.0V or 12V options within the same family.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

• LM2576T-ADJ/NOPB
• LM2576S-ADJ/NOPB
• LM2576TV-ADJG

Voltage Regulators - DC DC Switching Regulators FAQ

What is the guaranteed output voltage accuracy for the adjustable version?

The output voltage range is 1.23V to 37V with a maximum tolerance of ±4% over line and load conditions.

Does the device support low power standby modes?

Yes, it features TTL shutdown capability which allows for low power standby mode operation.