LM2585S-ADJ

Voltage Regulators - DC DC Switching Regulators Overview

The LM2585S-ADJ is a SIMPLE SWITCHER step-up (boost) and flyback switching voltage regulator from Texas Instruments. It integrates a 3A current switch, operating at a fixed 115 kHz frequency. The device supports an input voltage range of 4V to 40V with an adjustable output voltage capability. It utilizes a TO-263-5 surface-mount package. Key electrical parameters include a maximum efficiency of 93%, line regulation of 100 mV, and load regulation of 100 mV. The operational temperature range spans from -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a high-current 3A power switch for efficient step-up conversion
• Supports both boost and flyback topologies for flexible circuit design
• Fixed 115 kHz switching frequency minimizes external component size
• Adjustable output voltage allows customization for specific application requirements

Voltage Regulators - DC DC Switching Regulators Applications

• Battery-powered systems requiring voltage step-up
• General-purpose DC-DC conversion circuits
• Industrial control power supplies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the exact suffix against the manufacturer datasheet to confirm pinout and thermal characteristics. Ensure the selected variant matches the required output configuration and package type. Cross-reference ordering information with official Texas Instruments documentation to avoid compatibility issues with existing designs.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a robust 3A boost regulator is needed with wide input voltage tolerance. The adjustable output feature provides flexibility for varying load requirements. Consider the TO-263 package for adequate heat dissipation in high-current applications. Verify that the 115 kHz frequency aligns with electromagnetic interference constraints.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2585 series of SIMPLE SWITCHER regulators. It is designed as a monolithic integrated circuit for easy implementation of switching power supplies. The series is known for reducing design time and minimizing external component count compared to discrete solutions.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for LM2585SX-33-NOPB if a fixed 3.3V output is acceptable instead of adjustable variants.