LM2596HVS-ADJ

Voltage Regulators - DC DC Switching Regulators Overview

The LM2596HVS-ADJ is a high-voltage step-down switching regulator integrated circuit manufactured by UMW. It supports an input voltage range of up to 60V and provides an adjustable output voltage from 1.23V to 57V. The device delivers a guaranteed maximum output current of 3A with a fixed switching frequency of 150kHz. It operates within a temperature range of -40°C to 125°C and features a TO-263-5L surface-mount package. The converter achieves efficiency ratings up to 92% and includes built-in thermal shutdown and current limiting protections.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a 150kHz fixed-frequency internal oscillator for simplified external component requirements
• Features TTL-compatible shutdown capability for low-power standby operation
• Includes comprehensive protection mechanisms such as thermal shutdown and current limiting

Voltage Regulators - DC DC Switching Regulators Applications

• Distributed power supply systems
• Pre-regulator circuits for switching regulators
• Battery-powered applications requiring high input voltage tolerance

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific manufacturer lot code and date code upon receipt to ensure authenticity. Confirm that the received components match the LM2596HVS-ADJ designation and TO-263-5L package type. Check for physical damage or pin alignment issues before soldering. Ensure storage conditions comply with moisture sensitivity level requirements to prevent package degradation during assembly.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when an input voltage exceeds standard regulator limits but requires a robust buck topology. The adjustable output allows customization for various load voltages without changing the core IC. Consider the thermal performance in the TO-263-5L package for high-current applications. Verify that the external inductor and diode selections support the 3A continuous current requirement at the desired operating duty cycle.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2596HV series, which extends the standard LM2596 family to handle higher input voltages up to 60V. It shares the same control architecture and pinout compatibility as other variants in the series, allowing for design flexibility across different voltage ranges while maintaining the simplicity of a four-component minimum solution.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct replacements include LM2596HVS-ADJ from other manufacturers such as HGSEMI or TDSEMIC. Cross-reference datasheets to confirm identical pinouts and electrical characteristics before substitution.