LTC3892MPUH-2#TRPBF

DC DC Switching Controllers Overview

The LTC3892MPUH-2#TRPBF is a high-performance dual step-down DC/DC switching regulator controller from Analog Devices Inc., designed for industrial and telecom applications. It operates with an input voltage range of 4.5V to 60V and features two independent output channels. The device supports synchronous rectification using N-channel MOSFETs and offers adjustable switching frequencies between 105kHz and 835kHz, or 350kHz and 535kHz. It includes comprehensive control features such as current limit, enable, frequency control, power good, soft start, and tracking. The component is housed in a 32-QFN (5x5) package and is rated for operation over a temperature range of -55°C to 150°C.

DC DC Switching Controllers Feature Summary

• Dual-output architecture minimizes power loss and noise through out-of-phase operation of the two controller output stages.
• Supports driving all N-channel synchronous power MOSFET stages for high efficiency conversion.
• Integrated control features include current limiting, soft start, tracking, and power good signaling.

DC DC Switching Controllers Applications

• High-efficiency dual-phase step-down converters
• Industrial power supply systems
• Telecommunications infrastructure equipment

DC DC Switching Controllers Procurement Notes

Verify the specific suffix #TRPBF indicates tape and reel packaging when sourcing. Confirm the MP grade designation aligns with required military-grade reliability standards for the target application environment. Ensure compatibility with the 32-QFN footprint during PCB layout preparation.

DC DC Switching Controllers Selection Notes

Select this controller for designs requiring wide input voltage ranges up to 60V and dual isolated outputs. Consider the extended temperature range suitable for harsh environments. Evaluate the need for out-of-phase operation to reduce input ripple current compared to single-phase solutions.

DC DC Switching Controllers Part Context

This component belongs to the LTC3892 family of dual output synchronous step-down controllers. It shares functional similarities with other members like the LTC3892EUH-2 but differs in performance grade and packaging options. The MP variant specifically targets ruggedized applications requiring enhanced thermal and operational stability.

DC DC Switching Controllers Replacement Considerations

LTC3892EUH-2#TRPBF

DC DC Switching Controllers FAQ

Can the LTC3892MPUH-2 be used for non-buck topologies?

Yes, the underlying LTC3892 controller can also be utilized in SEPIC and Boost applications, providing versatility beyond standard buck converters.

What is the maximum duty cycle supported by this controller?

The controller supports a maximum duty cycle of 99%, allowing for efficient operation across various input-to-output voltage ratios.