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Texas Instruments UC2854BQ-TI — Discrete Semiconductors

UC2854BQ-TI PFC Controller, Average Current Mode, 80-120 kHz

MPNUC2854BQ-TI
End of Life

Texas Instruments UC2854BQ-TI, Power Factor Correction Controller, Average Current Mode, 80kHz ~ 120kHz switching, 10V ~ 20V supply, 250 µA startup, -40°C ~ 85°C, 20-PLCC (J-Lead) Surface Mount.

$2.41Ref. price · indicative, final on quote
Texas Instruments UC2854BQ-TI datasheet (PDF)
Packaging20-LCC (J-Lead)
RoHSROHS3 Compliant
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

UC2854BQ-TI specifications
ParameterValue
MountingSurface Mount
Supply voltage10V ~ 20V
Current - startup250 µA
Frequency - switching80kHz ~ 120kHz
Operating temperature-40°C ~ 85°C
ModeAverage Current
PackageBulk
Case20-LCC (J-Lead)

Product details

PFC controller in a PLCC — what you get

The UC2854BQ-TI is a power factor correction controller from Texas Instruments operating in Average Current Mode. It switches between 80 kHz and 120 kHz, covering the typical range for offline PFC stages in switch-mode supplies, ballasts, and front-end converters.

Lifecycle and sourcing — active and available

For BOM lines that need this specific Average Current Mode PFC controller, it remains a current-production part — no forced redesign.

Frequently asked questions

What is the switching frequency range of UC2854BQ-TI?

The switching frequency range is 80 kHz to 120 kHz, which covers the standard range for offline PFC stages.