LM2576HVS-15

Voltage Regulators - DC DC Switching Regulators Overview

The LM2576HVS-15 is a SIMPLE SWITCHER step-down voltage regulator from Texas Instruments, designed for high-voltage input applications. It operates with an input voltage range of 4V to 60V and provides a fixed 15V output at up to 3A load current. The device utilizes a buck topology with a typical switching frequency of 52kHz. It is housed in a surface-mount TO-263 package (D2PAK) featuring five leads and an exposed thermal pad. The component supports operation across an extended junction temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated power switch capable of delivering 3A output current
• Fixed 15V output configuration for simplified design
• High input voltage tolerance up to 60V
• Built-in thermal shutdown and current limiting protection

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation for industrial systems
• Pre-regulator stages for downstream switching regulators
• Battery-powered equipment requiring high-voltage step-down
• Distributed power supply architectures

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix against official Texas Instruments documentation to confirm pinout compatibility and package variations. Ensure the procurement channel sources genuine components to avoid counterfeit risks associated with high-demand PMICs. Cross-reference the ordering part number with the manufacturer's latest datasheet to validate RoHS compliance status and moisture sensitivity level requirements before integration into production workflows.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 15V output is required from a high-voltage source up to 60V. The TO-263 package offers superior thermal dissipation compared to smaller SOT packages, supporting continuous 3A loads. Consider the 52kHz switching frequency for balancing component size and efficiency. Verify that the application environment stays within the specified -40°C to +125°C operating temperature range for reliable performance.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2576HV series, which extends the standard LM2576 family to handle higher input voltages. The 'S' suffix denotes the surface-mount TO-263 package variant. The '-15' indicates the fixed 15V output version. This series is part of Texas Instruments' SIMPLE SWITCHER line, emphasizing ease of use with minimal external component requirements for basic buck converter implementations.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2576HVSX-15/NOPB: Direct equivalent with identical electrical specifications and pinout.

Voltage Regulators - DC DC Switching Regulators FAQ

What is the maximum input voltage for the LM2576HVS-15?

The maximum input voltage is 60V.

Does the LM2576HVS-15 support adjustable output voltage?

No, the '-15' suffix indicates a fixed 15V output. An adjustable version would have an '-ADJ' suffix.

What is the switching frequency of this regulator?

The typical switching frequency is 52kHz.