LM2576TV-ADJG

Voltage Regulators - DC DC Switching Regulators Overview

The LM2576TV-ADJG is a monolithic integrated circuit switching regulator from the LM2576 series, manufactured by onsemi. It functions as a step-down (buck) converter with an adjustable output voltage range of 1.23V to 37V. The device supports a maximum output current of 3A and operates at a fixed switching frequency of 63kHz. It accepts an input voltage between 7V and 40V. The component utilizes pulse width modulation control mode and features a TO-220-5 through-hole package. It is rated for operation within a temperature range of -40°C to 125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated monolithic design simplifies step-down switching regulator implementation
• Adjustable output voltage capability via external resistor network
• Fixed internal oscillator frequency reduces external component count
• Internal thermal shutdown protects against overheating conditions

Voltage Regulators - DC DC Switching Regulators Applications

• Distributed power supply systems requiring buck conversion
• Pre-regulator circuits for linear post-regulators
• Efficient DC-to-DC step-down converters for battery-powered equipment

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'TV' corresponds to the TO-220-5 through-hole package configuration in official datasheets. Confirm RoHS compliance status matches project requirements. Ensure the manufacturer is identified as onsemi or its authorized predecessor entities. Cross-reference the full part number against distributor catalogs to confirm active status and availability.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a robust, high-current buck converter is needed for through-hole assembly. The 63kHz frequency allows for smaller passive components compared to lower-frequency alternatives. Verify that the input voltage range of 7V to 40V aligns with the source supply. Ensure the load current does not exceed 3A under all operating conditions and thermal constraints.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2576 family of simple switchers, designed for ease of use in power management applications. The TV suffix specifically denotes the TO-220-5 package variant suitable for higher power dissipation scenarios compared to surface-mount options. The ADJ designation indicates the adjustable output version, offering flexibility in voltage setting.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2576T-ADJG: Surface mount equivalent in TO-263 package. LM2576HV-ADJG: High-voltage input variant. LM2576T-5.0: Fixed 5V output version.