LM2585SX-12/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2585SX-12/NOPB is a SIMPLE SWITCHER step-up DC/DC converter from Texas Instruments, housed in a TO-263-5 surface-mount package. It operates with an input voltage range of 4 V to 40 V and provides a fixed output voltage of 12 V at up to 3 A. The device integrates a 115 kHz switching frequency, achieving efficiencies up to 93%. It supports flyback topology and functions within a temperature range of -40 °C to +125 °C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a power switch for high-efficiency step-up conversion
• Supports both boost and flyback topologies
• Includes internal frequency compensation for minimal external components
• Features thermal shutdown protection

Voltage Regulators - DC DC Switching Regulators Applications

• Battery-powered systems requiring voltage elevation
• General-purpose step-up power supplies
• Flyback converter designs

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'SX' indicates tape-and-reel packaging when ordering. Confirm the 'NOPB' designation ensures lead-free and RoHS compliance. Cross-reference the manufacturer datasheet to ensure the fixed 12 V output variant matches the design requirements before procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component for applications requiring a wide input voltage range up to 40 V and high output current capability of 3 A. The integrated switch simplifies design by reducing external part count. Ensure the operating environment stays within the specified -40 °C to +125 °C temperature limits for reliable performance.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2585 series of SIMPLE SWITCHER regulators. These devices are designed to simplify power supply design by integrating the controller, power switch, and freewheeling diode into a single monolithic IC. The series offers various fixed output voltages to accommodate different system requirements.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2585S-12/NOPB (Tube Packaging)

Voltage Regulators - DC DC Switching Regulators FAQ

What is the maximum input voltage for the LM2585SX-12/NOPB?

The maximum input voltage is 40 V.

Does this device support flyback operation?

Yes, the LM2585SX-12/NOPB supports both boost and flyback topologies.