LM2586SX-ADJ/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2586SX-ADJ/NOPB is a SIMPLE SWITCHER step-up/flyback regulator from Texas Instruments. It operates with an input voltage range of 4 V to 40 V and provides an adjustable output voltage. The device supports a maximum switch current of 3 A and features a fixed switching frequency of 100 kHz. It is housed in a TO-263-7 (D2PAK) surface-mount package. The component functions reliably within a junction temperature range of -40 °C to +125 °C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated current-mode control for stable operation
• Fixed 100 kHz switching frequency reduces external component size
• Adjustable output voltage capability via external feedback
• Internal thermal shutdown and current limiting protection

Voltage Regulators - DC DC Switching Regulators Applications

• Industrial power supply systems
• Battery-powered equipment requiring voltage boosting
• General-purpose DC-DC conversion modules

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'SX' against the manufacturer's official datasheet to confirm the exact tape-and-reel packaging quantity and moisture sensitivity level. Ensure the ordering part number matches the required lead time and RoHS compliance status as defined by Texas Instruments. Cross-reference the datasheet revision date to confirm the validity of the electrical specifications before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when an adjustable output voltage is required from a wide input range up to 40 V. The 3 A switch current rating suits moderate load applications. Consider the TO-263-7 package for adequate thermal dissipation in surface-mount designs. Verify that the 100 kHz frequency aligns with the electromagnetic interference constraints of the target system.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2586 family of SIMPLE SWITCHER regulators, designed for high-efficiency DC-DC conversion. The 'SX' designation indicates a specific surface-mount variant within the broader product line. It complements fixed-voltage versions like the LM2586SX-5.0/NOPB by offering flexible output adjustment capabilities while maintaining similar footprint and performance characteristics.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2586S-ADJ/NOPB (TO-263-5 package)

Voltage Regulators - DC DC Switching Regulators FAQ

What is the switching frequency of the LM2586SX-ADJ/NOPB?

The device operates at a fixed switching frequency of 100 kHz.

Is the output voltage fixed or adjustable?

The output voltage is adjustable, determined by external resistor feedback networks.