LT1249CN8#PBF

Overview

The LT1249CN8#PBF is a power factor correction controller manufactured by Analog Devices Inc. It operates with a switching frequency of 100 kHz and supports through-hole installation in an 8-pin PDIP package. The device functions within a temperature range of 0°C to +100°C and requires a supply voltage between 8.2V and 25V. It draws a typical operating supply current of 250 uA. This component is classified under Power Factor Correction (PFC) controllers within the PMIC category.

Feature Summary

• Integrated control logic for power factor correction applications
• Supports fixed-frequency operation at 100 kHz
• Designed for through-hole mounting in standard DIP packages

Applications

• Power factor correction circuit design
• AC-DC power supply systems
• Industrial power management units

Procurement Notes

Verify availability status as distribution channels may indicate limited supply or restricted sales regions. Confirm RoHS3 compliance and specific packaging details such as tube quantities directly with authorized distributors. Ensure the ordering suffix matches the required package type and lead time requirements for production schedules.

Selection Notes

Select this component for designs requiring a dedicated PFC controller with low quiescent current. The 8-pin PDIP package suits prototyping and low-volume manufacturing. Verify that the 100 kHz switching frequency aligns with electromagnetic interference constraints and transformer sizing requirements for the target application.

Part Context

This part belongs to the LT124x series of power management integrated circuits from Analog Devices. It shares functional similarities with other members like the LT1248, though pinouts and specific control features may vary. The series targets efficient AC-DC conversion stages in various electronic equipment.

Replacement Considerations

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