ADP5034AREZ-1

Overview

The ADP5034AREZ-1-R7 is a high-integration power management IC from Analog Devices, featuring four synchronous buck regulators and two low-dropout (LDO) linear regulators. It operates with an input voltage range of 2.3 V to 5.5 V and utilizes a TSSOP-EP-28 package for surface-mount installation. The device supports adjustable output voltages via external resistor dividers and includes dedicated enable pins for each regulator channel. Operating temperatures span from -40°C to +125°C, ensuring reliability in demanding environments.

Feature Summary

• Integrates four synchronous buck converters and two LDOs within a single compact package
• Provides individual enable control for all six regulator channels
• Supports flexible output voltage configuration through external resistor networks
• Features high switching frequency to minimize external component size

Applications

• USB-powered portable electronic devices
• Handheld medical instrumentation products
• Multi-voltage power supply systems for processors
• ASIC and FPGA power distribution architectures
• RF chipset power management solutions

Procurement Notes

Verify the complete part number including suffixes such as -R7 for reel packaging specifications. Confirm that the selected variant matches the required thermal performance and pinout configuration for your specific PCB layout. Ensure compliance with RoHS directives and moisture sensitivity levels during storage and handling procedures.

Selection Notes

Select this component when designing systems requiring multiple regulated rails from a single source. Evaluate the total current requirements against the 1.2 A buck and 300 mA LDO limits. Consider the thermal dissipation capabilities of the exposed pad package relative to ambient operating conditions and board copper area availability.

Part Context

This device belongs to the ADP5034 series of power management integrated circuits designed for space-constrained applications. It consolidates multiple regulation functions into one solution, reducing bill-of-materials complexity compared to discrete regulator implementations. The series targets efficiency and miniaturization needs in modern portable electronics.

Replacement Considerations

Cross-reference with ADP5034ACPZ-R7 for alternative package options. Verify functional compatibility regarding pin assignments and electrical characteristics before substitution.