LM2588S-3.3/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2588S-3.3/NOPB is a SIMPLE SWITCHER fixed flyback switching regulator manufactured by Texas Instruments. It provides a fixed 3.3 V output with a maximum current capability of 5 A. The device operates within an input voltage range of 4 V to 40 V and supports a switching frequency of 200 kHz. It features integrated shutdown functionality for power management. The component is housed in a TO-263-7 surface-mount package, designed for high-efficiency DC-DC conversion in industrial and commercial applications.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated flyback topology simplifies transformer design
• Fixed 3.3 V output eliminates external feedback resistors
• Built-in shutdown pin enables system power control

Voltage Regulators - DC DC Switching Regulators Applications

• Industrial point-of-load regulation
• Telecommunications power supplies
• Embedded system power distribution

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'NOPB' indicates lead-free compliance and RoHS adherence as per manufacturer standards. Confirm the package designation matches the required thermal dissipation needs for your application. Ensure the fixed 3.3 V output aligns with your load requirements, as this variant does not support adjustable voltage settings.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 3.3 V rail is required from a wide input range up to 40 V. The 5 A output current rating suits moderate power loads. Consider the TO-263 package for its thermal performance compared to smaller SMD options. Verify that the flyback topology fits your isolation and transformer availability constraints.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the SIMPLE SWITCHER family, known for ease of use and minimal external component count. The LM2588 series specifically targets flyback converter designs, offering higher current capabilities than lower-current counterparts. It serves as a robust solution for isolated or non-isolated step-up applications requiring reliable regulation.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2588SX-12/NOPB offers similar topology but provides a fixed 12 V output instead of 3.3 V. LM2588S-5.0/NOPB provides a fixed 5 V output. Both share the same 5 A current rating and 40 V input range, making them suitable alternatives if the output voltage requirement differs.