LT3507AHFE#TRPBF

Overview

The LT3507AHFE#TRPBF is a PMIC featuring three synchronous buck converters and one LDO, housed in a 38-pin TSSOP-EP package. It supports an input voltage range of 4V to 36V with adjustable outputs from 0.8V to 32.4V. The buck channels deliver up to 2.7A and 1.8A respectively, while the LDO provides 1.8A. Operating frequencies range from 900kHz to 1.1MHz, ensuring efficient power conversion across automotive and industrial environments.

Feature Summary

• Integrates three high-efficiency synchronous buck regulators alongside a single low-dropout linear regulator within a unified power management solution.
• Features an integrated sequencing controller that manages the startup and shutdown order of the multiple output rails for system stability.
• Supports wide input voltage ranges suitable for automotive applications, accommodating significant supply line fluctuations.

Applications

• Automotive infotainment systems requiring multiple regulated voltage rails
• Industrial control units needing synchronized power sequencing
• Telecommunications equipment utilizing wide input voltage ranges

Procurement Notes

Verify the specific suffix TRPBF indicates tape and reel packaging when placing orders. Confirm the AH grade corresponds to the extended temperature range requirements of your application. Ensure the 38-TSSOP-EP footprint matches your PCB layout constraints before finalizing procurement decisions.

Selection Notes

Select this component when a compact solution combining multiple switching regulators and a linear regulator is required. The integrated sequencer simplifies design complexity by handling rail ordering automatically. Consider the thermal performance of the exposed pad package for high-current applications.

Part Context

This part belongs to the LT3507 family of multi-output power management ICs designed for complex system architectures. It consolidates functions typically requiring separate discrete components or multiple ICs, reducing board space and assembly costs while maintaining high efficiency across various load conditions.

Replacement Considerations

LT3507AHFE#PBF is available in tube packaging instead of tape and reel. Other variants like LT3507AIFE#TRPBF share similar electrical characteristics but may differ in temperature grades or packaging options.