LTC3807EUDC#PBF

DC DC Switching Controllers Overview

The LTC3807EUDC#PBF is a high-performance synchronous step-down DC/DC controller manufactured by Analog Devices Inc. It operates within an input voltage range of 4V to 38V and supports output voltages from 800mV to 24V. The device features a low quiescent current of 50µA and a switchable frequency between 105kHz and 835kHz. Packaged in a 20-QFN (3x4mm) case, it functions as a single-output regulator with a maximum output current capability of 25A when paired with external MOSFETs.

DC DC Switching Controllers Feature Summary

• Drives all N-channel synchronous power MOSFET stages for efficient power conversion
• Includes integrated control features such as current limit, enable, frequency control, soft start, and tracking
• Supports operation across a wide industrial temperature range from -40°C to +125°C

DC DC Switching Controllers Applications

• Industrial point-of-load regulation
• Telecommunications power systems
• Embedded computing power distribution

DC DC Switching Controllers Procurement Notes

Verify the specific suffix #PBF indicates lead-free tape and reel packaging compliance. Confirm the 20-QFN package dimensions match the design footprint. Ensure the operating voltage requirements align with the 4V to 38V input specification. Check for any recent product change notices regarding internal component modifications.

DC DC Switching Controllers Selection Notes

Select this controller for designs requiring low standby power consumption and high efficiency under varying load conditions. It is suitable for applications needing precise voltage regulation with external sense capabilities. Consider the thermal performance of the QFN package relative to the expected heat dissipation from the 25A output capability.

DC DC Switching Controllers Part Context

This component belongs to the LTC3807 family of synchronous step-down controllers. It is designed to work with external power stages to provide regulated DC outputs. The EUDC variant specifically denotes the 20-lead QFN package configuration optimized for surface-mount assembly in compact power management solutions.

DC DC Switching Controllers Replacement Considerations

Direct substitutes include other Analog Devices synchronous buck controllers with similar input ranges and pinouts, such as the LTC3807IFE#PBF in a TSSOP package or variants within the same family offering compatible electrical characteristics.