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UC3852N The Texas Instruments UC3852N is a Power Factor Correction (PFC) controller IC. It operates at a switching frequency of 200kHz and features a power factor greater than 0.99.
Mfr Part #:

UC3852N

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments UC3852N is a Power Factor Correction (PFC) controller IC. It operates at a switching frequency of 200kHz and features a power factor greater than 0.99.
✓ Total Stock: 3 pcs
$ Price Range: $4.22

UC3852N Available from 1 distributor

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✓ Non-Authorised
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Braun Electronic Components ✓
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3 pcs
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UC3852N Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Frequency
Mode
Mounting Type
Operating Temperature
Protection Features
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UC3852N Description

Short technical summary and product information.

The Texas Instruments UC3852N is an integrated circuit designed for active power factor correction (PFC). It provides a low-cost solution for systems requiring high power factor, achieving values greater than 0.99. This device implements zero-current switched boost conversion, enabling sinusoidal input currents with minimal external components.

 

Key electrical specifications include an operating voltage range of 14.5V to 30V and a switching frequency of 200kHz. The controller operates in Continuous Conduction Mode (CCM) and has a supply current of 400 µA. Protection features include under-voltage lockout, output clamping, peak-current limiting, and maximum-frequency clamping.

 

The UC3852N is housed in an 8-PDIP package suitable for through-hole mounting. It is specified for an operating temperature range of 0°C to 70°C. This component is noted as not recommended for new designs, with alternatives like the UCC28056 available.

 

This PFC controller is suitable for applications requiring improved power quality and efficiency, particularly in the 50 to 500 watt power range.

UC3852N Quick Information

Product Type: PFC Controller
Canonical Name: UC3852N Power Factor Correction Controller
Subcategory: Power Factor Correction

UC3852N Compliance

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

UC3852N Estimated Pricing

Qty Low High
1+ $4.22 $4.22

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

UC3852N Features

  • Achieves power factor greater than 0.99.
  • Operates at a 200kHz switching frequency.
  • Wide operating voltage from 14.5V to 30V.
  • Suitable for 0°C to 70°C operation.
  • Features under-voltage lockout and peak-current limiting.

UC3852N Applications

  • Active PFC for 50W to 500W systems.
  • Zero-current switching boost converter control.
  • Reducing harmonic distortion in power supplies.
  • Low-cost PFC for AC-DC power supplies.

UC3852N FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the UC3852N?

The UC3852N operates from 14.5 V to 30 V.

What is the operating temperature range of the UC3852N?

The operating temperature range is 0°C to 70°C.

What package is the UC3852N available in?

The UC3852N is available in an 8-DIP (0.300", 7.62mm) package, also known as 8-PDIP, with through-hole mounting.

What is the switching frequency of the UC3852N?

The switching frequency is 200 kHz.

What control mode does the UC3852N use?

The UC3852N uses continuous conduction mode (CCM).

What protection features are included in the UC3852N?

The UC3852N includes undervoltage lockout, output clamping, peak-current limiting, and maximum-frequency clamping.

What power factor can the UC3852N achieve?

The UC3852N achieves a power factor greater than 0.99.

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