MAX856CSA+

Voltage Regulators - DC DC Switching Regulators Overview

The MAX856CSA+ is a step-up DC/DC converter manufactured by Analog Devices Inc./Maxim Integrated, housed in an 8-SOIC package. It operates as a boost switching regulator with a positive programmable output, supporting fixed voltages of 3.3V and 5V or adjustable configurations. The device delivers up to 150mA output current with a switch current limit of 500mA. It functions within an input voltage range starting at 0.86V and provides outputs from 3.3V to 5V. The component operates at a switching frequency of 500 kHz and supports temperatures from -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Boost topology for efficient voltage step-up conversion
• Programmable output voltage options including 3.3V and 5V
• Integrated high-current switch for power delivery

Voltage Regulators - DC DC Switching Regulators Applications

• Portable battery-powered equipment requiring voltage boosting
• Systems needing stable 3.3V or 5V rails from lower source voltages
• General-purpose power management in compact electronic designs

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix and RoHS compliance status when sourcing, as availability may vary by region. Confirm that the SOIC-8 package matches your PCB footprint requirements. Check for obsolescence notices or lifecycle changes directly from Analog Devices, as distribution channels may have limited stock or restricted supply conditions for this component.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this part when a boost converter is required for low-voltage inputs down to 0.86V. Ensure the 150mA load requirement fits within the specified output current limits. Consider the 500kHz switching frequency for EMI and filter design compatibility. Verify thermal performance in the SOIC-8 package for the intended operating environment.

Voltage Regulators - DC DC Switching Regulators Part Context

The MAX856 series belongs to Analog Devices' portfolio of switching voltage regulators designed for space-constrained applications. The CSA variant specifically denotes the commercial temperature grade and SOIC-8 surface-mount packaging. This family targets portable electronics where efficiency and small form factor are critical for battery life and system integration.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Consult official Analog Devices cross-reference tools for potential alternatives if this component is unavailable.