LTC7852ERHE#PBF

DC DC Switching Controllers Overview

The LTC7852ERHE#PBF is a synchronous rectifier buck DC/DC switching controller manufactured by Analog Devices Inc. It features a 48-GQFN (5x6) surface-mount package with an exposed pad for thermal dissipation. The device supports up to six output phases and provides two independent positive outputs. It operates within a supply voltage range of 4.5V to 5.5V and allows programmable switching frequencies between 200kHz and 1.2MHz. The controller includes integrated control features such as current limiting, enable, frequency control, power good indication, slope compensation, soft start, and tracking capabilities.

DC DC Switching Controllers Feature Summary

• Supports multi-phase configurations with up to six output stages for high-current applications
• Integrates synchronous rectification drivers for improved efficiency
• Provides comprehensive protection and control functions including current limiting and soft start
• Offers flexible frequency programming from 200kHz to 1.2MHz

DC DC Switching Controllers Applications

• High-performance computing systems requiring multi-rail power distribution
• Industrial automation equipment needing stable DC-DC conversion
• Telecommunications infrastructure power supplies
• Server and networking hardware power management

DC DC Switching Controllers Procurement Notes

Verify the specific suffix #PBF indicates RoHS compliance when sourcing. Confirm the 48-GQFN package dimensions match your PCB footprint requirements. Ensure the operating temperature range of -40°C to 125°C aligns with your system's thermal environment. Check for any recent Product Change Notices regarding material or assembly updates.

DC DC Switching Controllers Selection Notes

Select this component when designing high-power density converters requiring multi-phase synchronization. Consider the 4.5V to 5.5V Vcc range for logic compatibility. Evaluate the 200kHz to 1.2MHz frequency range against inductor size and efficiency targets. Verify that the 48-pin QFN package fits within the available board space constraints.

DC DC Switching Controllers Part Context

This part belongs to the LTC7852 family of high-efficiency synchronous buck controllers. It is designed for applications demanding precise voltage regulation and dynamic load response. The device integrates advanced control loops to minimize output ripple and improve transient performance across varying load conditions.

DC DC Switching Controllers Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation.