SI-800FFE

Voltage Regulators - DC DC Switching Regulators Overview

The SI-800FFE is a buck switching regulator IC manufactured by Sanken Electric USA Inc. It provides an adjustable positive output voltage with a maximum output current of 1.5A. The device operates within an input voltage range of 6V to 35V and supports a fixed switching frequency of 300kHz. It is housed in an SC-63 package, which corresponds to the TO-252-6 form factor featuring five leads and a tab for thermal dissipation.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated buck topology for efficient DC-DC step-down conversion
• Adjustable output voltage capability for flexible system design
• High current output capacity suitable for powering downstream loads

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation in industrial equipment
• Power supply stages in consumer electronics
• Battery-powered devices requiring stable voltage rails

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the exact suffix against the manufacturer's official documentation to confirm pinout compatibility and thermal specifications. Ensure the ordering information matches the specific variant required for your application, as minor suffix differences may indicate distinct packaging or testing criteria defined by Sanken Electric.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact solution is needed for stepping down higher bus voltages to lower logic or peripheral levels. The integrated switch simplifies the bill of materials compared to discrete designs. Consider the thermal performance of the SC-63 package if operating near the maximum current limit under high ambient temperatures.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to Sanken's family of DC-DC switching regulators designed for general-purpose power management. It shares functional similarities with other models in the series but is distinguished by its specific current rating and adjustable output configuration. The SC-63 package allows for surface-mount assembly while providing adequate heat sinking through the exposed tab.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

The SI-8008TM-TL is identified as a similar replacement option from Sanken Electric. Verify that the substitute meets all electrical requirements, including input voltage range and output current capabilities, before implementation.