KA7526D

Overview

The KA7526D is a Power Factor Correction (PFC) controller manufactured by Fairchild Semiconductor. It operates in Critical Conduction Mode (CRM) and is housed in an 8-SOP package. The device supports a supply voltage of up to 30V and functions within an operating temperature range of -25°C to 125°C. It features a startup current of 300 µA. This component is designed for high-efficiency power factor correction applications.

Feature Summary

• Implements Critical Conduction Mode (CRM) control strategy
• Integrated power factor correction controller functionality
• Supports surface mount SOP-8 packaging

Applications

• Power supplies
• Adapter products

Procurement Notes

Verify the manufacturer part number KA7526D against official Fairchild Semiconductor documentation to confirm CRM PFC controller specifications. Ensure the 8-SOP package and 30V supply voltage limits match system requirements. Cross-reference technical parameters with authorized distributor datasheets to validate authenticity and operational characteristics before procurement.

Selection Notes

Select this component for applications requiring critical conduction mode power factor correction. Verify that the 30V supply voltage and -25°C to 125°C operating temperature range align with the target design environment. Confirm compatibility with SOP-8 footprint constraints and ensure the 300 µA startup current meets circuit initialization needs.

Part Context

The KA7526D belongs to the family of power factor correction controllers from Fairchild Semiconductor. It is specifically engineered for critical conduction mode operation, distinguishing it from continuous or discontinuous mode alternatives. The component serves as a dedicated solution for improving power efficiency in electronic power conversion systems.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.