LTC3736EUF

DC DC Switching Controllers Overview

The LTC3736EUF is a dual synchronous step-down controller designed for two-phase operation. It operates within an input voltage range of 2.75 V to 9.8 V, with a nominal rating of 4.2 V. The device utilizes current-mode control and pulse width modulation techniques. Packaged in a 24-lead HVQCCN (LCC24) QFN format measuring 4 mm in length, it supports a switching frequency of 550 kHz. The component is RoHS compliant and classified as a dual switching controller suitable for scalable power applications.

DC DC Switching Controllers Feature Summary

• Dual phase synchronous buck controller architecture
• No external sense resistor requirement for current sensing
• Integrated output tracking capability

DC DC Switching Controllers Applications

• Portable electronics requiring efficient power management
• Industrial equipment utilizing scalable DC/DC conversion
• Telecommunications infrastructure power supplies

DC DC Switching Controllers Procurement Notes

Verify the specific suffix designation when ordering, as variants such as #TRPBF indicate tape and reel packaging while #PBF denotes tube packaging. Confirm that the requested part matches the exact Linear Technology or Analog Devices specification sheet. Ensure the package type corresponds to the required 24-lead QFN footprint. Check for compliance with environmental standards if applicable to the final assembly process.

DC DC Switching Controllers Selection Notes

Select this controller for designs requiring high efficiency in low-voltage, high-current applications. The absence of current sense resistors reduces component count and improves thermal performance. Consider the 550 kHz switching frequency for balancing size and efficiency. Ensure the input voltage stays within the specified 2.75 V to 9.8 V operational window for reliable regulation.

DC DC Switching Controllers Part Context

This component belongs to the family of synchronous DC/DC controllers from Linear Technology, now part of Analog Devices. It is engineered for applications demanding precise voltage regulation and high power density. The dual-phase design allows for interleaved operation to reduce input and output ripple currents compared to single-phase solutions.

DC DC Switching Controllers Replacement Considerations

Direct substitutes include the LTC3736EUF-1#PBF and LTC3736EUF-2#TRPBF. Verify pin compatibility and electrical specifications before substitution. Ensure the replacement variant meets the same RoHS and environmental compliance requirements as the original design intent.