UC3854BNG4

Overview

The UC3854BNG4 is an enhanced high power factor preregulator controller from Texas Instruments, part of the UC3854A/B series. It operates in a through-hole PDIP-16 package with a maximum switching frequency of 200 kHz. The device supports a supply voltage range of 10 V to 20 V and functions within an operating temperature range of 0°C to +70°C. Designed for power factor correction applications, it integrates zero-power detection capabilities.

Feature Summary

• Integrated zero-power detection functionality
• Enhanced high power factor preregulator design

Applications

• Power factor correction (PFC) systems
• High power factor preregulators

Procurement Notes

Verify the specific suffix 'G4' indicates RoHS compliance and lead-free construction as per manufacturer standards. Confirm the PDIP-16 through-hole package matches the target PCB layout requirements. Ensure the component meets the specified industrial temperature range of 0°C to +70°C for the intended application environment.

Selection Notes

Select this component when an enhanced power factor correction solution is required with integrated zero-power detection. The PDIP-16 package suits through-hole assembly processes. Verify that the 200 kHz switching frequency aligns with the system's electromagnetic interference constraints and transformer design specifications.

Part Context

This component belongs to the UC3854 family of advanced power factor correction control ICs manufactured by Texas Instruments. It serves as an enhanced version designed for high power factor preregulator applications, offering improved performance characteristics compared to standard variants within the same product line.

Replacement Considerations

UC3854BN

FAQ

What is the maximum switching frequency of the UC3854BNG4?

The maximum switching frequency is 200 kHz.

Does the UC3854BNG4 include zero-power detection?

Yes, the device features integrated zero-power detection capability.