LT8614EUDC#TRPBF

Overview

The LT8614EUDC#TRPBF is a synchronous buck Silent Switcher regulator from Analog Devices. It operates with an input voltage range of 3.4 V to 42 V and delivers a maximum continuous output current of 4 A. The device features an adjustable output voltage and supports switching frequencies between 200 kHz and 3 MHz. It exhibits a low quiescent current of 1.7 uA in shutdown mode. The component is housed in a QFN-18 package and functions within a temperature range of -40°C to +125°C.

Feature Summary

• Silent Switcher architecture minimizes electromagnetic interference radiation
• Adjustable switching frequency allows synchronization or spread spectrum operation
• Low quiescent current supports high efficiency at light loads

Applications

• Automotive systems
• Industrial equipment power supplies
• General-purpose DC-DC conversion

Procurement Notes

Verify the specific suffix against official documentation, as ordering codes may indicate variations in packaging or temperature grade. Confirm availability status directly with authorized distributors, as supply levels can fluctuate. Ensure the selected variant matches the required thermal and electrical specifications for the target application environment.

Selection Notes

Select this component when a wide input voltage range up to 42 V is required alongside compact size constraints. The QFN-18 package facilitates space-efficient designs. Consider the adjustable frequency feature for optimizing trade-offs between efficiency and external component size. Verify that the 4 A output capability meets the peak load demands of the system.

Part Context

This part belongs to the LT8614 series of Silent Switcher regulators. These devices are designed to reduce EMI without requiring external filters, simplifying board layout. The series targets applications needing robust performance in electrically noisy environments while maintaining high energy efficiency across varying load conditions.

Replacement Considerations

LT8614EUDC#PBF