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LT3990EMSE#PBF

LT3990EMSE#PBF Description

The LT3990EMSE#PBF from Analog Devices Inc. is a high-performance, adjustable buck switching voltage regulator designed for precision power management in demanding applications. This ROHS3 Compliant and REACH Unaffected device operates within a 4.2V to 62V input range, delivering up to 350mA of output current with a configurable output voltage from 1.21V to 25V. Its 210kHz to 2.3MHz switching frequency allows for flexibility in noise-sensitive designs while maintaining high efficiency. Packaged in a 16MSOP tube, this regulator is optimized for surface-mount applications, offering robust performance in industrial, automotive, and telecommunications environments.

LT3990EMSE#PBF Features

• Wide Input Range (4.2V–62V): Supports high-voltage applications, including automotive and industrial systems.
• Adjustable Output (1.21V–25V): Precision voltage regulation for diverse load requirements.
• High Switching Frequency (210kHz–2.3MHz): Enables compact inductor and capacitor selection, reducing PCB footprint.
• Low Quiescent Current: Enhances efficiency in battery-powered applications.
• Non-Synchronous Buck Topology: Simplifies design while maintaining reliability.
• MSL 1 (Unlimited): Suitable for extended storage and handling without moisture sensitivity concerns.

LT3990EMSE#PBF Applications

• Automotive Systems: Ideal for infotainment, ADAS, and sensor modules due to wide input tolerance.
• Industrial Power Supplies: Provides stable voltage in PLCs, motor controls, and instrumentation.
• Telecommunications: Efficient power conversion for base stations and networking equipment.
• Portable Devices: Low quiescent current extends battery life in handheld instruments.
• Distributed Power Architectures: Supports point-of-load regulation in multi-rail systems.

Conclusion of LT3990EMSE#PBF

The LT3990EMSE#PBF stands out for its wide input range, adjustable output, and high-frequency operation, making it a versatile solution for power-sensitive designs. Its compact form factor, robust performance, and compliance with environmental standards ensure reliability across automotive, industrial, and telecom applications. Engineers will appreciate its balance of efficiency, flexibility, and ease of integration, positioning it as a superior choice among buck regulators in its class.