LTC3850IGN-2#TRPBF

DC DC Switching Controllers Overview

The LTC3850IGN-2#TRPBF is a dual synchronous step-down switching controller manufactured by Analog Devices Inc. It operates within an input voltage range of 4 V to 30 V and supports output voltages from 800 mV to 6 V. The device delivers up to 25 A per channel with a typical switching frequency of 500 kHz, though variants support frequencies up to 860 kHz. It features a low static current of 30 uA and an operating supply current of 850 uA. Packaged in a 28-lead SSOP, it functions as a high-performance DC-to-DC converter suitable for demanding power management applications.

DC DC Switching Controllers Feature Summary

• Dual-channel architecture driving all N-channel power MOSFET stages for efficient synchronous rectification
• Integrated control features including cycle-by-cycle current limiting, soft start, and tracking capabilities
• High precision regulation with load regulation specified at 0.01%
• Supports flexible switching frequency selection to optimize efficiency and component size

DC DC Switching Controllers Applications

• Point-of-load (POL) voltage regulation in telecommunications infrastructure
• Power distribution systems for industrial equipment requiring dual independent rails
• Embedded computing platforms needing high-current step-down conversion
• Network switches and routers utilizing synchronous buck topologies

DC DC Switching Controllers Procurement Notes

Verify the specific suffix designation to confirm package type and tape-and-reel configuration. Ensure compatibility with external MOSFET gate drive requirements. Confirm RoHS compliance status through official manufacturer documentation before integration. Cross-reference pinouts with the latest datasheet revision to avoid assembly errors during PCB layout.

DC DC Switching Controllers Selection Notes

Select this component when dual isolated or synchronized outputs are required from a single controller IC. Evaluate thermal performance based on the 28-SSOP package limitations versus higher pin-count alternatives. Consider the input voltage range against system supply variations. Assess the need for external compensation components to stabilize the control loop under varying load conditions.

DC DC Switching Controllers Part Context

This part belongs to the LTC3850 family of dual synchronous step-down controllers. It shares functional similarities with the LTC3850IUF#PBF but differs in packaging and reel specifications. The series is designed for high-efficiency power conversion, offering a balance between performance and board space optimization compared to single-phase solutions.

DC DC Switching Controllers Replacement Considerations

The LTC3850IGN-2#PBF serves as a tube-pack equivalent. The LTC3850IUF#PBF offers a QFN package alternative. Verify pinout compatibility and thermal characteristics when substituting these variants.