LTC7802JUFDM#WPBF

DC DC Switching Controllers Overview

The LTC7802JUFDM#WPBF is a dual-phase synchronous step-down controller from Analog Devices, designed for high-efficiency power conversion. It operates with an input voltage range up to 40V and supports switching frequencies of 3MHz. The device integrates spread spectrum technology to reduce electromagnetic interference (EMI) peaks. It features low quiescent current for improved light-load efficiency and includes comprehensive protection mechanisms such as overvoltage, overcurrent, and thermal shutdown. The component is housed in a thermally enhanced QFN package suitable for dense PCB layouts.

DC DC Switching Controllers Feature Summary

• Dual-phase architecture for balanced current sharing and reduced input/output ripple
• Integrated spread spectrum modulation to minimize EMI emissions
• Low IQ operation enhancing efficiency during light-load conditions
• Comprehensive protection suite including cycle-by-cycle current limiting and thermal regulation

DC DC Switching Controllers Applications

• Industrial equipment power distribution
• Telecommunications infrastructure systems
• Automotive infotainment and control modules

DC DC Switching Controllers Procurement Notes

Verify the specific suffix JUFDM#WPBF against the official Analog Devices datasheet to confirm temperature grade and lead-free status. Ensure compatibility with required output voltage ranges and inductor selections. Confirm RoHS compliance documentation matches current manufacturing standards. Cross-reference pinout assignments with target PCB footprint designs prior to procurement.

DC DC Switching Controllers Selection Notes

Select this controller when dual-phase performance and EMI reduction are critical. Evaluate thermal requirements based on expected load currents and ambient temperatures. Consider the 3MHz switching frequency for smaller passive component sizes. Verify that the 40V input rating aligns with system supply variations. Check availability of compatible gate drivers if external MOSFETs are used.

DC DC Switching Controllers Part Context

This component belongs to the LTC7802 family of synchronous buck controllers. It shares architectural similarities with other Linear Technology-derived power management ICs but offers specific enhancements in EMI management and low-power efficiency. The JUFDM variant indicates a specific package and temperature range configuration within the broader product line.

DC DC Switching Controllers Replacement Considerations

Direct replacements may include the LTC7802IUFDM or LTC7802EUFD depending on temperature and package requirements. Verify functional pin-to-pin compatibility before substitution. Review updated datasheets for any changes in electrical characteristics or recommended peripheral components.