Texas Instruments

LM2585SX-ADJ  

DC Switching Voltage Regulators

LM2585SX-ADJ Description

The LM2585SX-ADJ from Texas Instruments is a versatile, adjustable-output switching voltage regulator belonging to the SIMPLE SWITCHER® series. Designed for high-efficiency power conversion, it supports input voltages ranging from 4V to 40V and delivers a robust 3A switching current. The device features a 100kHz fixed-frequency operation, making it suitable for applications requiring stable and reliable power management. With an adjustable output voltage range of 1.23V to 60V, it offers flexibility for diverse circuit designs. The regulator is housed in a surface-mount DDPAK package and is supplied in Tape & Reel (TR) packaging for automated assembly.

LM2585SX-ADJ Features

• Wide Input Range (4V–40V): Accommodates various power sources, including automotive and industrial supplies.
• High Output Current (3A): Capable of driving demanding loads with minimal external components.
• Adjustable Output (1.23V–60V): Precision voltage regulation via external resistor divider.
• Multiple Topologies Supported: Configurable for boost, flyback, and forward converter designs.
• Fixed 100kHz Switching Frequency: Simplifies EMI filtering and reduces noise interference.
• Non-Synchronous Rectification: Balances cost and efficiency for mid-power applications.
• Obsolete Status: While no longer in production, it remains a reliable choice for legacy systems.

LM2585SX-ADJ Applications

The LM2585SX-ADJ excels in industrial, automotive, and telecommunications systems where robust power conversion is critical. Key use cases include:

• DC-DC Converters: Step-up/step-down voltage regulation in battery-powered devices.
• Power Supplies: For embedded systems, instrumentation, and motor control circuits.
• LED Drivers: High-voltage LED arrays requiring adjustable current/voltage.
• Distributed Power Architectures: Intermediate bus converters in server/telecom infrastructure.

Conclusion of LM2585SX-ADJ

The LM2585SX-ADJ stands out for its wide input range, high output current, and topology flexibility, making it a versatile solution for power management challenges. Though marked as obsolete, its proven performance in boost, flyback, and forward converter applications ensures continued relevance in legacy designs. Engineers seeking a cost-effective, high-performance regulator for industrial or automotive systems will find this device a dependable choice.

LM2585SX-ADJ Documents

Download datasheets and manufacturer documentation for LM2585SX-ADJ

Datasheets :

LM2585      

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LM2585