LTC7803IUD#TRPBF

DC DC Switching Controllers Overview

The LTC7803IUD#TRPBF is a low quiescent current synchronous buck 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 16-WFQFN (3x3) package with an exposed pad, suitable for surface mount installation. It offers a maximum duty cycle of 100% and includes clock synchronization capabilities. The controller provides enable, frequency control, and phase control features, operating within a junction temperature range of -40°C to 150°C.

DC DC Switching Controllers Feature Summary

• Integrates spectrum frequency modulation to reduce EMI noise peaks
• Supports up to 100% duty cycle for efficient low output voltage conversion
• Enables precise multi-phase operation through external clock synchronization

DC DC Switching Controllers Applications

• Industrial point-of-load power supplies
• Telecommunications infrastructure equipment
• Automotive electronics systems

DC DC Switching Controllers Procurement Notes

Verify the specific suffix 'IUD' indicates industrial temperature grade performance when sourcing replacements. Confirm that the '#WTRPBF' designation corresponds to tape and reel packaging for automated assembly processes. Ensure compliance with RoHS3 standards as documented in official specifications. Cross-reference the manufacturer part number directly with Analog Devices documentation to avoid counterfeit components.

DC DC Switching Controllers Selection Notes

Select this component for applications requiring high efficiency at light loads due to its low IQ characteristics. Consider the 3MHz maximum switching frequency for compact passive component sizing. Evaluate thermal management requirements given the 150°C junction temperature rating. Ensure the control loop design accommodates the specified frequency range and synchronization needs.

DC DC Switching Controllers Part Context

This part belongs to the LTC7803 family of synchronous step-down controllers designed for high-efficiency power conversion. It complements other variants like the LTC7803EMSE and LTC7803HUD by offering specific package and temperature grade options. The series is characterized by advanced features such as spread spectrum technology and flexible control interfaces for diverse system architectures.

DC DC Switching Controllers Replacement Considerations

LTC7803JUD#WTRPBF

DC DC Switching Controllers FAQ

What is the maximum switching frequency supported by the LTC7803IUD#TRPBF?

The device supports switching frequencies ranging from 100kHz to 3MHz.

Does the LTC7803 support clock synchronization?

Yes, the controller includes clock synchronization capabilities to allow for precise phase alignment in multi-phase configurations.