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HomeProductsIntegrated Circuits (ICs)PMIC - PFC (Power Factor Correction)UC3855BDWTR
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UC3855BDWTR - Texas Instruments

Manufacturer Part Number
UC3855BDWTR
Manufacturer
Texas Instruments
Allelco Part Number
32D-UC3855BDWTR
ECAD Model
Parts Description
IC PFC CTR AVERAGE 500KHZ 20SOIC
Package
20-SOIC (0.295", 7.50mm Width)
Data sheet
UC2855ADWTR.pdf
UC2855ADWTR.pdf
RoHs Status
ROHS3 Compliant
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Specifications

UC3855BDWTR Tech Specifications
Texas Instruments - UC3855BDWTR technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - UC3855BDWTR

Product Attribute Attribute Value  
Manufacturer Texas Instruments  
Voltage - Supply 10.5V ~ 20V  
Supplier Device Package 20-SOIC  
Series -  
Package / Case 20-SOIC (0.295", 7.50mm Width)  
Package Tape & Reel (TR)  
Product Attribute Attribute Value  
Operating Temperature 0°C ~ 70°C  
Mounting Type Surface Mount  
Mode Average Current  
Frequency - Switching 500kHz  
Current - Startup 150 µA  
Base Product Number UC3855  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 2 (1 Year)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

Manufacturer Part Number

UC3855BDWTR

Manufacturer

Texas Instruments

Introduction

The UC3855BDWTR is a high-performance Power Factor Correction (PFC) controller integrated circuit, designed for use in various power management applications.

Product Features and Performance

High-frequency switching at 500kHz

Average current mode control

Enhanced performance for power factor correction

Efficient for driving power MOSFETs directly

Incorporates features like undervoltage lockout and multi-protection functionalities

Product Advantages

Improves energy efficiency

Reduces power system cost

Minimizes loss of power

Ensures stable operation in variable load conditions

Key Technical Parameters

Frequency Switching: 500kHz

Current Startup: 150 µA

Voltage Supply: 10.5V ~ 20V

Operating Temperature: 0°C ~ 70°C

Quality and Safety Features

Built-in under-voltage lockout

Various protection features against faults

Robust thermal management

Compatibility

Compatible with various power MOSFETs

Suitable for a range of electronic applications requiring PFC

Application Areas

Power supplies

Industrial systems

Consumer electronics

Telecommunication equipment

Product Lifecycle

Status: Last Time Buy

Indication of nearing discontinuation with options for replacements or upgrades available

Several Key Reasons to Choose This Product

Enhanced power efficiency leading to cost savings

High-frequency operation reduces size of passive components

Direct compatibility with surface mount technology

Reliable manufacturer support and product documentation

Comprehensive protection features ensure long-term reliability

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments UC3855BDWTR

Product Attribute UC3855BDWTR UC3854N UC3855BN UC3855ADWTR
Part Number UC3855BDWTR UC3854N UC3855BN UC3855ADWTR
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Operating Temperature 0°C ~ 70°C 0°C ~ 70°C 0°C ~ 70°C 0°C ~ 70°C
Package / Case 20-SOIC (0.295", 7.50mm Width) 16-DIP (0.300', 7.62mm) 20-DIP (0.300", 7.62mm) 20-SOIC (0.295", 7.50mm Width)
Voltage - Supply 10.5V ~ 20V 14.5V ~ 30V 10.5V ~ 20V 15.5V ~ 20V
Mounting Type Surface Mount Through Hole Through Hole Surface Mount
Base Product Number UC3855 UC3854 UC3855 UC3855
Supplier Device Package 20-SOIC 16-PDIP 20-PDIP 20-SOIC
Current - Startup 150 µA 1.5 mA 150 µA 150 µA
Mode Average Current Average Current Average Current Average Current
Series - - - -
Package Tape & Reel (TR) Tube Tube Tape & Reel (TR)
Frequency - Switching 500kHz 200kHz 500kHz 500kHz

UC3855BDWTR Datasheet PDF

Download UC3855BDWTR pdf datasheets and Texas Instruments documentation for UC3855BDWTR - Texas Instruments.

Datasheets
UC2855ADWTR.pdf
HTML Datasheet
UC2855ADWTR.pdf

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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UC3855BDWTR Image

UC3855BDWTR

Texas Instruments
32D-UC3855BDWTR

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