LTC3727EG#PBF

DC DC Switching Controllers Overview

The LTC3727EG#PBF is a high-efficiency, dual-phase synchronous step-down switching regulator controller manufactured by Analog Devices Inc. It operates within an input voltage range of 4V to 36V and supports output voltages from 800mV to 14V. The device delivers up to 25A of output current across two channels with a switch frequency of 550kHz. It features a constant frequency current mode architecture and operates in an out-of-phase configuration to minimize input capacitor ESR losses. The controller is housed in a 28-lead SSOP package and functions within a temperature range of -40°C to +85°C.

DC DC Switching Controllers Feature Summary

• Dual-channel synchronous buck topology driving all N-channel MOSFET stages
• Constant frequency current mode architecture with phase-lockable operation
• Out-of-phase control to reduce input capacitor power loss and noise

DC DC Switching Controllers Applications

• High efficiency dual-output DC/DC conversion systems
• Industrial equipment requiring synchronized power regulation
• Telecommunications infrastructure power supplies

DC DC Switching Controllers Procurement Notes

Verify the specific suffix against official Analog Devices documentation to confirm pinout and electrical characteristics. Ensure the component matches the required thermal management specifications for the target application environment. Confirm RoHS compliance status through the manufacturer's latest datasheet before integration into production designs.

DC DC Switching Controllers Selection Notes

Select this controller for applications requiring precise dual-rail regulation with minimized input ripple. The fixed 550kHz frequency allows for optimized passive component sizing. Consider the SSOP package constraints for PCB layout and thermal dissipation requirements when designing the power stage.

DC DC Switching Controllers Part Context

This component belongs to the LTC3727 family of dual synchronous step-down controllers. It is designed to replace older single-phase solutions by providing higher current density and improved transient response through multiphase operation. The device integrates essential protection features while maintaining high efficiency across varying load conditions.

DC DC Switching Controllers Replacement Considerations

LTC3727IG#PBF

DC DC Switching Controllers FAQ

Does the LTC3727EG#PBF support external frequency synchronization?

Yes, the device features a constant frequency current mode architecture that allows for phase-lockable frequency operation up to 550kHz.

What type of power switches does this controller drive?

The LTC3727EG#PBF is designed to drive all N-channel synchronous power MOSFET stages for both phases.