LTC7800EUDC#TRPBF

DC DC Switching Controllers Overview

The LTC7800EUDC#TRPBF is a synchronous buck switching controller from Analog Devices, designed for high-frequency operation with a programmable frequency range of 320 kHz to 2.25 MHz. It supports input voltages from 4 V to 60 V and delivers output voltages between 800 mV and 24 V. The device features low quiescent current of 50 uA and operates within a temperature range of -40°C to +150°C. Packaged in a QFN-20 surface-mount format, it provides up to 20 A output capability with a maximum duty cycle of 98%.

DC DC Switching Controllers Feature Summary

• Supports high-frequency synchronous buck topology with adjustable switching rates
• Features ultra-low quiescent current for improved efficiency in standby modes
• Capable of handling wide input voltage ranges up to 60 V
• Includes integrated error amplifier and current mode control architecture

DC DC Switching Controllers Applications

• Industrial power supply systems requiring compact form factors
• Automotive electronics operating under harsh thermal conditions
• Telecommunications infrastructure power distribution units
• Point-of-load conversion modules for embedded computing systems

DC DC Switching Controllers Procurement Notes

Verify the specific suffix 'E' indicates extended industrial temperature grading compared to standard variants. Confirm the '#TRPBF' designation ensures lead-free compliance and tape-and-reel packaging configuration. Cross-reference the manufacturer datasheet to validate pinout compatibility and thermal pad requirements for the QFN-20 package before finalizing procurement orders.

DC DC Switching Controllers Selection Notes

Select this component when designing non-isolated step-down converters requiring high efficiency across wide input ranges. The QFN-20 package suits space-constrained layouts. Ensure external components support the 2.25 MHz maximum frequency. Verify that the 20 A output rating aligns with load requirements and thermal management capabilities of the target application environment.

DC DC Switching Controllers Part Context

This part belongs to the LTC7800 series of synchronous buck controllers. It shares architectural similarities with other members like the LTC7800HUDC but differs in temperature specifications. The series focuses on high-efficiency power management solutions utilizing Analog Devices' advanced current-mode control technology for stable performance under varying load conditions.

DC DC Switching Controllers Replacement Considerations

LTC7800HUDC#TRPBF serves as a direct functional substitute with potentially different temperature ratings.