LTC7878AUH#TRPBF

DC DC Switching Controllers Overview

The LTC7878AUH#TRPBF is a synchronous Buck-Boost DC/DC controller from Analog Devices, housed in a 32-lead QFN (5x5 mm) package. It operates with an input voltage range of 5 V to 70 V and supports output voltages from 1 V to 70 V. The device delivers up to 6 A of output current and features a programmable switching frequency between 50 kHz and 800 kHz. It includes integrated synchronous rectification, clock synchronization, and soft-start capabilities. The controller functions within a junction temperature range of -40°C to +125°C.

DC DC Switching Controllers Feature Summary

• Supports Buck, Boost, and Buck-Boost topologies for flexible power conversion
• Integrates synchronous rectification drivers for enhanced efficiency
• Features clock synchronization capability for multi-phase or parallel operation
• Includes built-in soft-start and cycle-by-cycle current limit protection

DC DC Switching Controllers Applications

• Industrial automation power supplies
• Battery-powered equipment requiring wide input ranges
• Telecommunications infrastructure systems
• Automotive electronics applications

DC DC Switching Controllers Procurement Notes

Verify the specific suffix #TRPBF confirms tape-and-reel packaging when ordering. Confirm that the AUH variant matches the required 32-QFN footprint for PCB layout compatibility. Ensure the selected component meets RoHS compliance standards for your manufacturing process. Cross-reference the datasheet electrical characteristics against your system's thermal and voltage requirements before finalizing procurement.

DC DC Switching Controllers Selection Notes

Select this controller for designs requiring a wide input voltage window up to 70 V. The synchronous architecture reduces external component count compared to non-synchronous alternatives. Consider the 32-QFN package size for space-constrained layouts. Evaluate the 50 kHz to 800 kHz frequency range to balance efficiency and passive component sizes for your specific application needs.

DC DC Switching Controllers Part Context

This component belongs to the LTC7878 family of high-voltage synchronous Buck-Boost controllers. It is designed for applications demanding robust performance across varying input conditions. The part integrates essential control logic and gate drivers into a compact surface-mount package, simplifying the design of complex power stages.

DC DC Switching Controllers Replacement Considerations

LTC7878AUK#TRPBF offers identical functionality in a 48-lead LFCSP package.