LTC7819RUJ#PBF

DC DC Switching Controllers Overview

The LTC7819RUJ#PBF is a synchronous step-down controller from Analog Devices, designed for high-efficiency power conversion. It supports an input voltage range of 4.5V to 40V and delivers outputs between 800mV and 40V. The device features a low quiescent current of 14µA and adjustable switching frequencies from 100kHz to 3MHz. Operating within a temperature range of -40°C to +150°C, it utilizes a QFN-40 package for compact surface-mount integration.

DC DC Switching Controllers Feature Summary

• Supports triple output configurations with independent phase control
• Integrates low quiescent current architecture for enhanced standby efficiency
• Provides programmable switching frequency synchronization capabilities

DC DC Switching Controllers Applications

• Industrial power supply systems requiring multi-rail regulation
• Telecommunications infrastructure equipment
• Automotive electronics and infotainment modules
• Data center server power distribution units

DC DC Switching Controllers Procurement Notes

Verify the specific suffix designation against official Analog Devices documentation to confirm pinout compatibility and thermal pad requirements. Ensure that the selected variant matches the required operating temperature range and packaging specifications for your assembly process. Cross-reference the manufacturer part number with authorized distributors to validate authenticity and traceability before finalizing procurement orders.

DC DC Switching Controllers Selection Notes

Evaluate the input voltage profile to ensure it remains within the 4.5V to 40V operational limits. Consider the thermal management requirements associated with the QFN-40 package under maximum load conditions. Assess the need for external components such as inductors and capacitors based on the desired switching frequency and output ripple specifications. Confirm that the control interface aligns with the system's microcontroller or FPGA capabilities.

DC DC Switching Controllers Part Context

This component belongs to the LTC7819 series of synchronous buck controllers, engineered for applications demanding high efficiency and flexible output configurations. It complements other power management solutions by providing robust control over multiple phases. The series is characterized by its ability to handle wide input voltage ranges while maintaining low static current consumption during idle states.

DC DC Switching Controllers Replacement Considerations

LTC7819RUJ#TRPBF