LT3507IUHF#TRPBF

Voltage Regulators - Linear + Switching Overview

The LT3507IUHF#TRPBF is a high-performance power management IC featuring three independent synchronous buck converters and one low-dropout linear regulator. It operates from an input voltage range of 4V to 36V with adjustable outputs up to 32.4V. The primary buck channel delivers 2.7A, while the secondary channels provide 1.8A each. Integrated features include a programmable switching frequency between 900kHz and 1.1MHz, internal power sequencing, and comprehensive protection mechanisms such as overcurrent and thermal shutdown.

Voltage Regulators - Linear + Switching Feature Summary

• Integrates three synchronous buck regulators and one LDO for multi-rail power distribution
• Includes internal power sequencer to manage startup and shutdown timing
• Supports ceramic output capacitors to minimize system component count
• Features anti-phase operation to reduce input ripple current

Voltage Regulators - Linear + Switching Applications

• Automotive electronic systems requiring robust multi-voltage rails
• Industrial control equipment with complex power requirements
• Communication infrastructure power management modules
• Distributed power supply architectures in embedded systems

Voltage Regulators - Linear + Switching Procurement Notes

Verify the specific suffix TRPBF indicates tape and reel packaging when sourcing. Confirm the I grade designation aligns with the required industrial temperature specifications for your application environment. Ensure compatibility with the 38-pin QFN package dimensions during PCB layout planning.

Voltage Regulators - Linear + Switching Selection Notes

Select this component for designs requiring four distinct regulated voltages from a single wide-input source. The integrated sequencer simplifies board space compared to discrete solutions. Consider the thermal performance of the exposed pad QFN package for heat dissipation requirements under maximum load conditions.

Voltage Regulators - Linear + Switching Part Context

This part belongs to the LT3507A family of monolithic power switches designed for demanding applications. It consolidates multiple power stages into a single compact footprint, reducing overall solution size. The device is manufactured by Analog Devices Inc. using advanced semiconductor processes for reliability.

Voltage Regulators - Linear + Switching Replacement Considerations

LT3507AHUHF#PBF offers identical electrical characteristics but utilizes tube packaging instead of tape and reel.