MAX769EEI

Power Management - Specialized Overview

The MAX769EEI+ is a specialized Power Management IC designed for two-way pager systems. It supports 2 or 3 cell battery configurations and integrates step-up and step-down DC-DC converters. The device operates with an input voltage range of 1.5 V to 5.5 V and provides an adjustable output voltage from 1.8 V to 4.9 V. It delivers an output current of 115 mA while maintaining a low input current of 1.2 uA. The component functions within a temperature range of -40°C to +85°C and is housed in a 28-pin QSOP package.

Power Management - Specialized Feature Summary

• Integrates bidirectional step-up and step-down DC-DC conversion capabilities for efficient power management in multi-cell battery applications.
• Optimized for low-power operation in portable communication devices such as two-way pagers.
• Supports flexible output voltage regulation across a wide input range.

Power Management - Specialized Applications

• Two-way pager system power management
• Portable communication devices requiring multi-cell battery support
• Handheld mobile devices

Power Management - Specialized Procurement Notes

Verify the specific suffix (e.g., EEI+) against official Analog Devices documentation to confirm package type and RoHS compliance. Note that availability may be limited or restricted, as distributors indicate this part number might not be currently stocked. Confirm end-of-life status and discontinuance notifications prior to procurement planning.

Power Management - Specialized Selection Notes

Select this component when designing power systems for two-way pagers utilizing 2 or 3 cell batteries. Ensure the application requires both step-up and step-down conversion capabilities within the specified 1.5 V to 5.5 V input range. Verify that the 115 mA output current and QSOP-28 package footprint align with the design constraints.

Power Management - Specialized Part Context

The MAX769 belongs to the MAX769 series of specialized PMICs from Analog Devices/Maxim Integrated. These components are engineered specifically for the unique power requirements of legacy and niche portable communication hardware, distinguishing them from general-purpose switching regulators by their integrated dual-converter architecture.

Power Management - Specialized Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Check manufacturer notices for potential obsolescence alternatives.