MAX1681ESA

Voltage Regulators - DC DC Switching Regulators Overview

The MAX1681ESA is a switched capacitor voltage converter manufactured by Analog Devices Inc./Maxim Integrated. It operates within an input voltage range of 3 V to 5.5 V and delivers an output current of 125 mA. The device supports Boost and Inverting topologies, providing fixed outputs of -5 V and 10 V. It functions at a switch frequency between 500 kHz and 1 MHz. The component is housed in an SOIC-8 package and is rated for operation from -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates switched capacitor architecture for efficient voltage conversion without requiring external inductors.
• Supports both boost and inverting operational modes to accommodate diverse power supply requirements.
• Features f-select switching capability allowing flexibility in operating frequency selection.

Voltage Regulators - DC DC Switching Regulators Applications

• Portable battery-powered devices requiring compact voltage regulation
• Systems needing negative voltage rails generated from positive sources
• Low-power embedded applications with strict space constraints

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify component authenticity through authorized channels due to discontinuation status. Confirm package integrity upon receipt as the part is no longer actively produced. Review datasheet specifications carefully to ensure compatibility with existing circuit designs before integration into new products.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when inductor-free solutions are required for small form factor designs. Ensure input voltage remains within the specified 3 V to 5.5 V range for optimal performance. Consider thermal management requirements despite the low power dissipation typical of switched capacitor converters.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the MAX1681 series of switched capacitor voltage converters. It represents Maxim Integrated's approach to miniaturizing power management solutions by eliminating bulky magnetic components. The series targets applications where size and cost efficiency are critical design parameters.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with alternative switched capacitor converters if sourcing this discontinued part proves difficult.