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LT3582EUD#PBF

LT3582EUD#PBF Description

The LT3582EUD#PBF from Analog Devices Inc. is a high-performance, dual-output DC-DC switching regulator designed for applications requiring both positive and negative adjustable voltage rails. Housed in a compact 16-pin QFN package, this IC integrates two independent regulators—a buck converter and an inverting buck-boost converter—delivering up to 285mA (buck) and 490mA (inverting) output currents. With an input voltage range of 2.55V to 5.5V, it is optimized for low-voltage portable and battery-powered systems. The device supports adjustable output voltages, enabling flexibility in diverse power supply designs. Its non-synchronous rectification architecture ensures simplicity and cost-effectiveness while maintaining efficiency.

LT3582EUD#PBF Features

• Dual Rail Output: Generates both positive and negative voltages from a single input, eliminating the need for multiple regulators.
• Wide Input Range (2.55V–5.5V): Ideal for Li-ion battery or 3.3V/5V bus-powered systems.
• High Output Current: Supports 285mA (buck) and 490mA (inverting) for demanding loads.
• Adjustable Outputs: Enables customization for specific voltage requirements.
• Compact 16-QFN Package: Saves board space in space-constrained applications.
• RoHS3 Compliant & REACH Unaffected: Meets environmental and regulatory standards.
• Low Quiescent Current: Enhances efficiency in battery-operated devices.

LT3582EUD#PBF Applications

This regulator is particularly suited for:

• Portable Medical Devices: Such as handheld diagnostic tools requiring dual-polarity supplies.
• Industrial Sensors: Where stable ±5V or ±3.3V rails are needed for analog circuitry.
• Consumer Electronics: Including audio amplifiers and OLED displays needing negative bias voltages.
• Automotive Systems: For low-power infotainment or sensor interfaces.
• Test & Measurement Equipment: Providing clean, adjustable rails for precision analog designs.

Conclusion of LT3582EUD#PBF

The LT3582EUD#PBF stands out for its dual-output capability, compact form factor, and wide input range, making it a versatile choice for modern power management challenges. Its ability to simplify power architecture—replacing multiple discrete components—reduces BOM cost and design complexity. Engineers will appreciate its reliability in battery-powered, portable, and noise-sensitive applications, backed by Analog Devices' proven performance. For designs requiring efficient, adjustable dual-rail power, this IC delivers an optimal balance of flexibility and integration.