MAX1904ETJ+

Overview

The MAX1904ETJ+ is a switching controller designed for notebook power systems, featuring two outputs. It operates with an input voltage range of 4.2 V to 30 V and provides adjustable output voltages between 2.5 V and 5 V. The device utilizes a 32-pin TQFN (5x5 mm) surface-mount package. It supports a maximum duty cycle of 98% and functions within an operating temperature range of -40°C to +85°C.

Feature Summary

• Integrates a precision 1.2V reference for accurate regulation
• Includes a power-good output indicator for system monitoring
• Features an inductor current monitor for enhanced control

Applications

• Notebook power system controllers
• Multi-output low-noise power supply designs
• Industrial voltage regulator applications

Procurement Notes

Verify the exact manufacturer part number before ordering, as distribution channels may list similar identifiers. Confirm availability status directly with authorized suppliers, as stock levels fluctuate. Ensure the requested component matches the specific suffix and package type required for your design integration.

Selection Notes

Select this component when designing multi-output power architectures for portable electronics requiring precise voltage regulation. Consider its 32-pin TQFN footprint for space-constrained layouts. Evaluate its compatibility with external inductors and capacitors to meet specific ripple and noise requirements for sensitive logic loads.

Part Context

This component belongs to the Maxim Integrated portfolio of power management solutions. It is engineered specifically for complex power sequencing tasks found in modern computing devices. The device integrates multiple control functions into a single compact package to reduce bill of materials count.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult official Analog Devices resources for cross-reference data or compatible alternatives within the same product family.