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LT1940EFE#PBF

LT1940EFE#PBF Description

The LT1940EFE#PBF from Analog Devices Inc. is a high-performance, dual-output buck switching regulator designed for demanding power management applications. Operating within an input voltage range of 3.6V to 25V, it delivers adjustable output voltages from 1.25V to 22V per channel, with a robust 1.4A output current per regulator. The device features a 1.1MHz switching frequency, enabling compact designs with minimal external components. Packaged in a 16-pin TSSOP and rated for 0°C to 70°C operation, it is ideal for space-constrained, efficiency-critical systems.

LT1940EFE#PBF Features

• Dual Adjustable Outputs: Independent regulation for two positive voltage rails, simplifying multi-voltage designs.
• Wide Input Range (3.6V–25V): Supports diverse power sources, including automotive and industrial supplies.
• High Efficiency: Non-synchronous buck topology with 1.1MHz switching reduces inductor size and PCB footprint.
• Low Dropout Operation: Maintains regulation even with input voltages close to the output.
• Robust Compliance: ROHS3 and REACH compliant, with MSL 1 (Unlimited) moisture sensitivity for reliable manufacturing.
• Compact Design: Surface-mount TSSOP package optimizes board space in portable and embedded systems.

LT1940EFE#PBF Applications

• Industrial Power Systems: Dual-voltage supplies for sensors, actuators, and control modules.
• Automotive Electronics: Efficient power conversion for infotainment, telematics, and ADAS.
• Portable Devices: Battery-powered equipment requiring multiple regulated voltages.
• Telecom Infrastructure: Point-of-load (PoL) regulation in routers and base stations.
• Medical Devices: Low-noise, reliable power for diagnostic and monitoring equipment.

Conclusion of LT1940EFE#PBF

The LT1940EFE#PBF stands out for its dual-output flexibility, wide input range, and high switching frequency, making it a versatile choice for compact, multi-rail power systems. Its industrial-grade reliability and efficiency cater to applications from automotive to portable electronics, offering a balance of performance and integration. Engineers will appreciate its simplified design and compliance with environmental standards, ensuring both technical and regulatory suitability.