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UC2854BQ UC2854BQ is a bipolar PFC controller from Unitrode, operating at 10V-20V supply with average current mode control. It features 80-120kHz switching frequency and comes in a 20-PLCC surface mount package.
Mfr Part #:

UC2854BQ

Available from 1 distributors
Mfr Name: Unitrode
Unitrode
UC2854BQ is a bipolar PFC controller from Unitrode, operating at 10V-20V supply with average current mode control. It features 80-120kHz switching frequency and comes in a 20-PLCC surface mount package.
✓ Total Stock: 150 pcs
$ Price Range: $0.75

UC2854BQ Available from 1 distributor

✓ Authorised
✓ Non-Authorised
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150 pcs
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UC2854BQ Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Frequency
Lead Style
Mode
Mounting Type
Operating Temperature
Supplier Device Package
Voltage
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UC2854BQ Description

Short technical summary and product information.

The UC2854BQ is a bipolar power factor correction (PFC) controller from Unitrode, designed for average current mode control. It operates from a supply voltage of 10V to 20V and features a startup current of 250 µA. The switching frequency range is 80 kHz to 120 kHz, making it suitable for various PFC applications. The device is rated for an operating temperature range of -40°C to 85°C. It is available in a surface mount 20-LCC (J-Lead) package, also referred to as 20-PLCC (9x9). This controller is ideal for power supply designs requiring high power factor correction with bipolar technology.

UC2854BQ Quick Information

Product Type: PFC Controller IC
Canonical Name: UC2854BQ Average Current Mode PFC Controller
Subcategory: Average Current Mode PFC Controller

UC2854BQ Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

UC2854BQ Estimated Pricing

Qty Low High
1+ $0.75 $0.75

Estimated market price range - modelled values for guidance only, not live distributor offers.

UC2854BQ Features

  • Average current mode PFC control.
  • Supply voltage range 10V to 20V.
  • Switching frequency 80 to 120 kHz.
  • Surface mount 20-PLCC package.
  • Operating temperature -40°C to 85°C.

UC2854BQ Applications

  • Power factor correction in AC-DC converters.
  • Average current mode control for high power factor.
  • Used in offline power supplies.
  • Suitable for industrial and commercial power systems.

UC2854BQ FAQs

6 frequently asked questions generated from this part’s specifications.
What is the supply voltage range of the UC2854BQ?

10V to 20V.

What is the operating temperature range?

-40°C to 85°C.

What package does the UC2854BQ come in?

20-LCC (J-Lead) or 20-PLCC (9x9) surface mount package.

What is the switching frequency range?

80 kHz to 120 kHz.

What is the startup current?

250 µA.

What control mode does the UC2854BQ use?

Average current mode.

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