LTC7800HUDC#PBF

DC DC Switching Controllers Overview

The LTC7800HUDC#PBF is a high-frequency synchronous buck controller from Analog Devices, designed for efficient power conversion. It operates with an input voltage range of 4V to 60V and supports switching frequencies between 320kHz and 2.25MHz. The device features a maximum duty cycle of 98% and delivers output voltages from 800mV to 24V. Packaged in a QFN-20 surface-mount format, it functions within a temperature range of -40°C to +150°C. Key electrical parameters include rise and fall times of 25ns and 13ns/16ns respectively, with a quiescent supply current of 50µA.

DC DC Switching Controllers Feature Summary

• Supports high-frequency operation up to 2.25MHz for compact passive component sizing
• Enables precise phase alignment through clock synchronization capabilities
• Integrates spread spectrum modulation to reduce electromagnetic interference

DC DC Switching Controllers Applications

• Point-of-load (POL) converters in telecommunications infrastructure
• High-density power supplies for industrial equipment
• Server and data center voltage regulation modules

DC DC Switching Controllers Procurement Notes

Verify the specific suffix 'PBF' indicates lead-free compliance and RoHS standards when sourcing. Confirm package type matches the QFN-20 footprint requirements for your PCB layout. Ensure the operating temperature grade aligns with your system's thermal environment specifications. Cross-reference the manufacturer datasheet for detailed pinout and electrical characteristics before integration.

DC DC Switching Controllers Selection Notes

Select this controller for applications requiring high efficiency at elevated switching frequencies. Consider the wide input voltage range suitable for bus voltages up to 60V. Evaluate the thermal performance of the QFN-20 package against your heat dissipation constraints. Compare against other buck controllers if lower frequency or different topology requirements exist.

DC DC Switching Controllers Part Context

This component belongs to the LTC7800 series of synchronous buck controllers. It is part of Analog Devices' portfolio focused on high-performance power management solutions. The series is characterized by low quiescent current and advanced control features for modern power delivery networks.

DC DC Switching Controllers Replacement Considerations

Consult official substitution lists for equivalent parts within the LTC7800 family. Verify compatibility of pinouts and control interfaces when considering alternative models.