LM2575GDP-5.0

Voltage Regulators - DC DC Switching Regulators Overview

The LM2575GDP-5.0 is a step-down switching voltage regulator from the LM2575 series, manufactured by TAEJIN Technology Co. It provides a fixed 5.0V output with a guaranteed 1A output current capability. The device operates with a wide input voltage range and utilizes a 52kHz fixed-frequency internal oscillator. Designed for high efficiency, it requires only four external components for implementation. The component supports TTL shutdown capability for low power standby modes and includes thermal shutdown and current limit protection features.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Fixed 5.0V output voltage configuration
• Integrated 52kHz internal oscillator
• TTL shutdown capability for standby mode
• Thermal shutdown and current limit protection

Voltage Regulators - DC DC Switching Regulators Applications

• General-purpose DC-DC step-down conversion
• Pre-regulator circuits for linear regulators
• Battery-powered systems requiring efficient voltage reduction

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify that the manufacturer designation corresponds to TAEJIN Technology Co., as the LM2575 family is widely produced by multiple vendors including Texas Instruments and onsemi. Confirm the package type matches the required PCB footprint, typically TO-263 or similar for the GDP suffix. Ensure compatibility with the 52kHz switching frequency requirements of the target inductor selection.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this part when a fixed 5V output is required at up to 1A load current. It is suitable for applications prioritizing simplicity due to the minimal external component count. Consider the 52kHz switching frequency for EMI constraints and inductor size trade-offs. Verify input voltage ranges align with the source supply to ensure stable regulation without exceeding maximum ratings.

Voltage Regulators - DC DC Switching Regulators Part Context

This component belongs to the LM2575 family of SIMPLE SWITCHER regulators, known for their ease of use and high efficiency in buck converter topologies. The LM2575 series is a legacy but widely recognized line of switching regulators. The specific model indicates a fixed voltage variant, distinguishing it from adjustable versions within the same family.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct replacements include LM2575T-5.0 from other manufacturers such as Texas Instruments or onsemi, provided pinouts and electrical specifications are identical. Cross-reference datasheets to confirm thermal performance and packaging dimensions match the existing design constraints.