LM2588SX-ADJ

Voltage Regulators - DC DC Switching Regulators Overview

The LM2588SX-ADJ is a SIMPLE SWITCHER 5A flyback regulator from Texas Instruments, designed for wide input voltage ranges of 4V to 40V. It operates at a fixed switching frequency of 200kHz and delivers up to 6.5A output current in a TO-263-7 package. The device features adjustable output voltage, internal shutdown control, and thermal shutdown protection. It supports operation temperatures from -40°C to +125°C with a typical operating supply current of 11mA.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated high-current switch capable of delivering up to 6.5A output
• Fixed 200kHz switching frequency for compact external component sizing
• Internal shutdown pin for power management and standby modes
• Thermal shutdown protection to prevent overheating under fault conditions

Voltage Regulators - DC DC Switching Regulators Applications

• Wide input voltage flyback power supplies
• Battery-powered systems requiring step-up conversion
• Industrial control power modules
• Telecommunications equipment power stages

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix against official datasheets to confirm pinout and electrical characteristics. Ensure the ordering part number matches the required output configuration and package type. Check for moisture sensitivity level requirements during storage and handling. Confirm RoHS compliance status if restricted substances are mandated by your design specifications.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a wide input voltage range and high output current are required in a flyback topology. The adjustable output allows flexibility for various voltage rails. Consider the thermal performance in the TO-263-7 package for heat dissipation needs. Verify that the 200kHz frequency aligns with your electromagnetic interference constraints and inductor size requirements.

Voltage Regulators - DC DC Switching Regulators Part Context

Part of the SIMPLE SWITCHER family, the LM2588 series offers integrated solutions for flyback converters. It simplifies design by combining the controller, driver, and power switch into a single IC. This integration reduces board space and component count compared to discrete designs, making it suitable for cost-sensitive and space-constrained applications.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for direct pin-compatible alternatives within the LM2588 series or newer generations. Verify equivalent current ratings and switching frequencies. Ensure any substitute maintains the same flyback topology support and shutdown functionality. Consult official cross-reference guides for validated replacements.