LM2576HVR-ADJ

Voltage Regulators - DC DC Switching Regulators Overview

The LM2576HVR-ADJ is a monolithic integrated circuit step-down switching regulator from TAEJIN Technology, part of the SIMPLE SWITCHER series. It provides an adjustable output voltage ranging from 1.23V to 37V with a guaranteed maximum output current of 3.0A. The device operates with a fixed internal oscillator frequency of 52kHz and supports a wide input voltage range. Designed for high efficiency, it requires only four external components for implementation. The component includes thermal shutdown and current limit protection features.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated 52kHz fixed-frequency internal oscillator
• TTL shutdown capability for low power standby mode
• Thermal shutdown and current limit protection
• High efficiency operation with 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 converter (buck-boost) circuits
• Power supply for battery chargers

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the manufacturer designation as TAEJIN Technology Co., distinct from Texas Instruments or On Semiconductor variants. Confirm the specific suffix 'HVR' indicates the correct package type and temperature rating. Ensure compatibility with the 1.23V to 37V adjustable output range requirements. Check RoHS compliance status against local regulations. Validate pinout configurations against the official datasheet before PCB layout finalization.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing buck converters requiring up to 3.0A load capacity. It is suitable for applications needing a wide input voltage range and fixed 52kHz switching frequency. The adjustable output version allows flexibility for various voltage rails between 1.23V and 37V. Consider its thermal performance and protection features for robust system design. Ensure external component selection matches the specified operating conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2576 series of monolithic integrated circuits designed for easy design of step-down switching regulators. The series is characterized by its ability to drive significant loads with excellent line and load regulation. It represents a cost-effective solution for DC-DC conversion tasks where high efficiency and minimal external component count are priorities.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Cross-reference with LM2576HVT-ADJ/NOPB for functional equivalence in buck converter designs. Verify pin compatibility and electrical specifications against Texas Instruments or On Semiconductor equivalents. Ensure the replacement maintains the 3.0A output current and 52kHz frequency characteristics.