LTC7803HUD#TRPBF

DC DC Switching Controllers Overview

The LTC7803HUD#TRPBF is a synchronous step-down controller from Analog Devices, designed for high-efficiency power conversion. It operates with an input voltage range of 4.5V to 40V and supports switching frequencies from 100kHz to 3MHz. The device features low quiescent current and integrated spread spectrum modulation to reduce EMI. It utilizes a 16-lead QFN package (3x3mm) and is rated for junction temperatures between -40°C and 150°C.

DC DC Switching Controllers Feature Summary

• Integrated spread spectrum frequency modulation for electromagnetic interference reduction
• Synchronous buck topology with internal driver capability
• Low quiescent current operation for enhanced efficiency
• Supports clock synchronization and phase control

DC DC Switching Controllers Applications

• Industrial point-of-load regulation
• Telecommunications infrastructure power systems
• Automotive electronics power management
• High-density computing server power supplies

DC DC Switching Controllers Procurement Notes

Verify the specific suffix #TRPBF indicates tape and reel packaging configuration. Confirm the HUD grade corresponds to the required industrial temperature range specifications. Ensure compatibility with the intended PCB footprint for the 16-QFN package. Cross-reference the manufacturer's latest datasheet for any updates on RoHS compliance or material declarations prior to final procurement authorization.

DC DC Switching Controllers Selection Notes

Select this component when designing systems requiring a compact form factor with high switching frequencies up to 3MHz. It is suitable for applications demanding low standby power consumption and strict EMI constraints due to its spread spectrum feature. Consider the 40V maximum input rating and the thermal performance of the exposed pad QFN package for heat dissipation requirements in dense layouts.

DC DC Switching Controllers Part Context

This part belongs to the LTC7803 family of low IQ synchronous buck controllers. It shares functional similarities with other members like the LTC7803EMSE but differs in package type and temperature grade. The HUD variant specifically targets robust industrial environments, offering extended thermal capabilities compared to commercial grade alternatives within the same product line.

DC DC Switching Controllers Replacement Considerations

LTC7803JUD#WTRPBF

DC DC Switching Controllers FAQ

Does the LTC7803HUD support external clock synchronization?

Yes, the device includes a SYNC pin that allows for external clock synchronization to align multiple converters or reduce system noise.

What is the maximum operating junction temperature for the HUD grade?

The LTC7803HUD is rated for a maximum junction temperature of 150°C, making it suitable for harsh industrial environments.