MAX1801EKA+

Overview

The MAX1801EKA+ is a step-up slave DC-DC controller manufactured by Analog Devices Inc./Maxim Integrated. It operates within a supply voltage range of 2.7V to 5.5V and supports switching frequencies up to 1MHz. The device is designed for use in boost, SEPIC, and flyback converter topologies. It is housed in an SOT-23-8 package and functions reliably across an operating temperature range of -40°C to +85°C.

Feature Summary

• Supports multiple converter topologies including boost, SEPIC, and flyback configurations
• Operates with external control signals as a slave controller
• Compatible with standard surface-mount assembly processes

Applications

• Battery-powered portable electronics requiring voltage boosting
• Industrial systems utilizing SEPIC or flyback power architectures
• General-purpose DC-DC conversion modules

Procurement Notes

Verify component authenticity through authorized channels due to potential availability constraints. Confirm package integrity and pin alignment against the official datasheet specifications before integration. Ensure that the specific suffix matches the required thermal and electrical characteristics for your design environment.

Selection Notes

Select this component when a dedicated slave controller is required for non-isolated or isolated power stages. Evaluate the compatibility of the external MOSFET and inductor with the 1MHz switching capability. Consider the input voltage range relative to the system's battery or rail profile to ensure stable operation under all load conditions.

Part Context

This part belongs to the Maxim Integrated DC-DC controller family, specifically designed for flexible power management solutions. It complements master controllers or standalone regulators by providing precise timing and drive signals for external power switches in compact form factors suitable for space-constrained applications.

Replacement Considerations

Consult official substitution guides for equivalent slave controllers. Verify pinout compatibility and switching frequency ranges before replacing the component in existing designs.