LT1249IS8#TRPBF

Overview

The LT1249IS8#TRPBF is a power factor correction controller manufactured by Analog Devices Inc. It operates in average current mode with a fixed switching frequency of 100kHz. The device supports an input voltage range of 15.5V to 27V and is housed in an 8-lead SOIC package. It features a quiescent current of 0.25mA, designed for efficient power management in compact applications.

Feature Summary

• Implements average current mode control for precise power factor correction
• Operates at a fixed 100kHz switching frequency
• Designed for low quiescent current operation

Applications

• Power factor correction in AC-DC converters
• Compact power supply designs
• Wearable electronic devices requiring efficient power management

Procurement Notes

Verify the exact part number suffix #TRPBF indicates tape and reel packaging when ordering. Confirm the manufacturer is Analog Devices Inc. or its predecessor Linear Technology. Ensure the operating temperature range matches your application requirements. Check RoHS compliance status as per the latest datasheet revision.

Selection Notes

Select this component for applications requiring average current mode PFC control. Consider the 100kHz fixed frequency for EMI filtering design. Evaluate the 8-lead SOIC package size for space-constrained layouts. Verify input voltage compatibility within the specified range before integration.

Part Context

This component belongs to the LT1249 series of power factor controllers. It is part of Analog Devices' portfolio of power management integrated circuits. The series is known for providing efficient power conversion solutions in small form factors suitable for modern electronic systems.

Replacement Considerations

LT1249IS8#PBF is the tube version of the same functional device. Cross-reference with other average current mode PFC controllers from Analog Devices if pinout compatibility is required. Verify electrical specifications match before substitution.