MAX1864TEEE

Power Supply Controllers, Monitors Overview

The MAX1864TEEE+ is a switching controller designed for xDSL and cable modem applications, featuring a buck topology with three independent outputs. It operates within a supply voltage range of 4.5V to 28V and supports a switching frequency of 240 kHz. The device provides up to 90% maximum duty cycle and delivers an output current of 50 mA at 3.3 V. It functions reliably across a temperature range of -40°C to +85°C and is housed in a 16-pin QSOP package.

Power Supply Controllers, Monitors Feature Summary

• Triple-output power supply generation capability
• Integrated watchdog timer functionality
• Power-on reset (POR) circuit implementation
• Noise reduction features for auxiliary regulators

Power Supply Controllers, Monitors Applications

• xDSL systems
• Cable modems
• Dual-output power supply configurations

Power Supply Controllers, Monitors Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and check for obsolescence notices, as this part may be discontinued. Ensure the specific suffix matches required packaging and environmental standards before finalizing procurement orders.

Power Supply Controllers, Monitors Selection Notes

Select this controller for designs requiring multiple regulated rails from a single input source. Evaluate thermal management requirements given the QSOP package constraints. Consider external compensation components for stability optimization based on specific load conditions and layout parasitics.

Power Supply Controllers, Monitors Part Context

This component belongs to the Maxim Integrated PMIC family, specifically engineered for broadband communication infrastructure. It addresses the need for compact, efficient power solutions in space-constrained modem hardware, integrating control logic with protection features to simplify system design.

Power Supply Controllers, Monitors Replacement Considerations

The MAX1964 serves as a related sequencer component often used alongside the MAX1864. Verify pin compatibility and functional overlap if substituting, though dedicated replacement part numbers are not explicitly confirmed in available documentation.