MAX1798AETP

Overview

The MAX1798AETP is a specialized power management integrated circuit designed for CDMA cellular and PCS handset applications. It features five low-noise LDO regulators, including one 300mA output and four additional channels, to support various system voltage requirements. The device integrates battery charging functionality and protection circuits essential for mobile communication devices. Packaged in a 20-WQFN Exposed Pad, it offers high integration for space-constrained designs.

Feature Summary

• Integrates five low-noise LDO regulators for stable power delivery
• Includes battery charging management capabilities
• Designed specifically for CDMA and PCS handset systems

Applications

• CDMA cellular handsets
• PCS system power supplies
• Mobile communication device battery management

Procurement Notes

Verify the component authenticity through official Analog Devices or Maxim Integrated channels. Confirm the package type matches the 20-WQFN Exposed Pad specification. Ensure the part number suffix corresponds to the required temperature grade and packaging format. Request original manufacturer documentation to validate performance characteristics against datasheet parameters.

Selection Notes

Select this IC for applications requiring integrated power management in CDMA and PCS handsets. Consider the five LDO outputs for diverse voltage rails. Evaluate thermal performance due to the exposed pad package. Verify compatibility with external Schottky diodes or MOSFET-based OR-ing circuits as the device lacks ideal diode control.

Part Context

This component belongs to the Maxim Integrated power management family, targeting mobile phone applications. It consolidates multiple power functions into a single chip to reduce board space. The design supports the specific electrical needs of CDMA and PCS technologies, ensuring reliable operation in portable devices.

Replacement Considerations

No public confirmed substitute part numbers are available.