LTC3118EUFD#TRPBF

Voltage Regulators - DC DC Switching Regulators Overview

The LTC3118EUFD#TRPBF is a dual-input, wide voltage range synchronous buck-boost DC/DC converter controller manufactured by Analog Devices Inc. It features an integrated low-loss PowerPath control function for intelligent power path management. The device operates with a switching frequency of 1.2 MHz and supports a maximum duty cycle of 95%. It provides a programmable output voltage ranging from 2 V to 18 V and delivers up to 2 A of output current. The input voltage range spans from below the output voltage up to 18 V, enabling operation in buck, boost, or buck-boost modes. The controller draws a typical operating supply current of 50 uA.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates intelligent, low-loss PowerPath control for seamless dual-input power management
• Supports synchronous buck-boost topology with wide input voltage range capability
• Features high switching frequency for reduced external component size
• Provides programmable output voltage regulation

Voltage Regulators - DC DC Switching Regulators Applications

• Dual-source battery charging systems
• Portable electronic devices requiring extended runtime
• Industrial equipment with redundant power inputs
• Automotive electronics with varying supply voltages

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the exact part number suffix against official Analog Devices documentation to ensure correct packaging and temperature grade. Confirm availability status as distribution channels may list limited stock or end-of-life conditions. Cross-reference the datasheet revision date to ensure compatibility with current design requirements. Validate RoHS compliance markings on the physical component upon receipt.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing systems requiring simultaneous connection to multiple power sources such as batteries and wall adapters. The integrated PowerPath functionality simplifies design by managing power flow without external diodes. Ensure the application requires a non-isolated DC/DC conversion within the specified 2 V to 18 V output range. Consider the 1.2 MHz switching frequency for balancing efficiency and passive component size.

Voltage Regulators - DC DC Switching Regulators Part Context

The LTC3118 belongs to Analog Devices' family of advanced power management ICs designed for portable and industrial applications. It addresses the need for efficient power routing in systems with fluctuating input voltages. The EUFD package indicates a 28-lead QFN footprint suitable for surface-mount assembly. This controller complements other PMIC solutions by offering specialized dual-input handling capabilities.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult Analog Devices technical support for direct replacements or pin-compatible alternatives that meet specific dual-input buck-boost requirements.