LM2575HVT-ADJ

Voltage Regulators - DC DC Switching Regulators Overview

The LM2575HVT-ADJ is a SIMPLE SWITCHER power regulator from Texas Instruments, designed for high-voltage step-down applications. It operates with an input voltage range of 4V to 60V and delivers up to 1A output current. The device features a fixed switching frequency of 58kHz and supports adjustable output voltages starting from 1.23V. Packaged in a TO-220-5 through-hole format, it functions within a temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated monolithic controller simplifies design by requiring minimal external components
• Internal freewheeling diode eliminates the need for additional discrete protection components
• Fixed 58kHz switching frequency allows for compact passive component selection

Voltage Regulators - DC DC Switching Regulators Applications

• Distributed power systems requiring high input voltage regulation
• Pre-regulators for downstream switching regulators
• Efficient buck converters for battery-powered equipment

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix against official datasheets to confirm package type and lead-free status. Confirm availability as distribution channels may list obsolete or discontinued variants. Ensure the supplier provides valid traceability documentation for quality assurance purposes.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing circuits that require handling input voltages up to 60V while maintaining a simple topology. The adjustable version offers flexibility for custom output requirements compared to fixed-voltage alternatives. Consider thermal management strategies due to the linear drop across the internal switch during operation.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2575HV series, which extends the standard LM2575 capabilities to higher input voltages. The 'HVT' designation indicates a high-voltage Through-Hole package variant. It serves as a robust solution for industrial and automotive environments where reliability under wide input ranges is critical.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2575HVS-ADJ/NOPB (Surface Mount equivalent)

Voltage Regulators - DC DC Switching Regulators FAQ

What is the minimum adjustable output voltage?

The output voltage can be adjusted down to 1.23V using an external resistor divider network.

Does the device include an internal freewheeling diode?

Yes, the LM2575HVT-ADJ integrates a high-speed freewheeling diode, reducing the required external component count.