LM2576T-12/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2576T-12/NOPB is a Texas Instruments SIMPLE SWITCHER step-down voltage regulator. It operates with an input voltage range of 4 V to 45 V and provides a fixed 12 V output at up to 3 A. The device features a 52 kHz switching frequency and includes internal feedback for precise regulation. It supports shutdown functionality and operates within a temperature range of -40 °C to +125 °C. Packaged in a TO-220-5 through-hole format, it integrates a 5 mA quiescent current.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated monolithic buck converter topology
• Fixed 12 V output voltage configuration
• Internal thermal shutdown protection
• Standardized SIMPLE SWITCHER design methodology

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load DC/DC conversion
• Pre-regulator circuits for switching regulators
• Efficient battery management systems
• General-purpose power supply designs

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix against official manufacturer documentation to confirm package type and temperature rating. Ensure the ordering part number matches the required lead time and availability status. Cross-reference datasheet revisions to validate component specifications before integration into final designs.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 12 V output is required from higher input voltages. The through-hole TO-220-5 package facilitates manual assembly and heat dissipation. Consider the 3 A current limit and 45 V maximum input voltage constraints during circuit planning.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2576 series of SIMPLE SWITCHER regulators. It represents a standard fixed-voltage variant designed for high-efficiency step-down applications. The product line emphasizes ease of use with minimal external component requirements.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2576T-12/NOPB is functionally equivalent to LM2576T-12. Verify pinout compatibility and thermal performance when substituting between manufacturers or package variations.