LTC7803JUD#TRPBF

DC DC Switching Controllers Overview

The LTC7803JUD#TRPBF is a low quiescent current synchronous step-down DC/DC controller manufactured by Analog Devices Inc. It operates with an input voltage range of 4.5V to 40V and supports switching frequencies from 100kHz to 3MHz. The device features a maximum duty cycle of 100% and includes spread spectrum frequency modulation capabilities. It utilizes a 16-WFQFN (3x3) package with an exposed pad for thermal management. The component is rated for operation across a junction temperature range of -40°C to 150°C.

DC DC Switching Controllers Feature Summary

• Integrates spread spectrum frequency modulation to reduce electromagnetic interference peaks
• Supports clock synchronization for multi-phase or parallel system applications
• Provides phase control capability to optimize power distribution in complex designs

DC DC Switching Controllers Applications

• Industrial automation power supplies
• Telecommunications infrastructure equipment
• Automotive electronics systems

DC DC Switching Controllers Procurement Notes

Verify the specific suffix designation against official Analog Devices documentation to confirm package type and temperature grade accuracy. Ensure that the procurement channel provides valid traceability and authenticity guarantees. Cross-reference the part number with the latest datasheet revisions to confirm compatibility with intended design requirements before finalizing orders.

DC DC Switching Controllers Selection Notes

Select this controller when designing high-efficiency buck converters requiring wide input voltage ranges and low standby power consumption. Consider the 16-QFN package constraints for thermal dissipation and PCB layout space. Evaluate the need for external components such as gate drivers and inductors based on the target output current and voltage specifications defined in the application circuit.

DC DC Switching Controllers Part Context

This component belongs to the LTC7803 family of synchronous buck controllers designed for applications demanding high efficiency and low operating currents. It serves as a core power management element in systems requiring regulated DC voltage conversion from higher bus voltages. The device integrates essential control logic for stable operation under varying load conditions.

DC DC Switching Controllers Replacement Considerations

LTC7803EMSE#PBF

DC DC Switching Controllers FAQ

Does the LTC7803 support clock synchronization?

Yes, the device supports clock synchronization to allow precise timing alignment in multi-controller systems.

What is the maximum operating junction temperature?

The maximum operating junction temperature is specified as 150°C.