LT3383IUJM#PBF

Overview

The LT3383IUJM#PBF is a power management integrated circuit from Analog Devices Inc. housed in a 40-lead QFN (6x6 mm) package with an exposed pad. It integrates four synchronous buck converters and three low-dropout linear regulators to provide a complete power solution for advanced portable application processors. The device operates with an input voltage range of 1.7 V to 5.5 V. Output voltages are adjustable up to 3.8 V, with specific output current capabilities including 300 mA, 1.5 A, and 2.5 A depending on the rail. It functions within a temperature range of -40°C to +125°C and utilizes a switching frequency of 2.25 MHz.

Feature Summary

• Integrates four synchronous step-down DC/DC converters for efficient core, memory, I/O, and system power rails.
• Includes three low-dropout linear regulators to support sensitive analog or always-on requirements.
• Designed as a comprehensive power management solution for complex portable application processor systems.

Applications

• Portable application processor systems
• Industrial control systems
• Consumer electronics devices

Procurement Notes

Verify the exact part number suffix against official Analog Devices documentation to confirm package type and lead-free status. Ensure compatibility with your board's thermal design due to the exposed pad requirement. Confirm that the input voltage range and output current specifications meet your specific load requirements before procurement.

Selection Notes

Select this component when a single IC can replace multiple discrete regulators for multi-rail processor systems. Consider the 40-QFN package size constraints and thermal dissipation needs. Verify that the required output currents align with the specific buck and LDO channels available within the device architecture.

Part Context

This part belongs to the LT3383 series, which provides integrated power management solutions. It is manufactured by Analog Devices Inc. and is categorized under voltage regulators combining linear and switching technologies. The device is designed to simplify power architecture in space-constrained portable applications.

Replacement Considerations

Consult official Analog Devices substitution guides for verified alternatives. Do not assume pin-to-pin compatibility with other PMICs without verifying electrical parameters and pin assignments.

FAQ

What is the maximum operating temperature for the LT3383IUJM#PBF?

The maximum operating temperature is +125°C.

How many switching regulators are included in this device?

The device includes four synchronous buck converters.