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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching ControllersUC3879DWTR
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UC3879DWTR - Texas Instruments

Manufacturer Part Number
UC3879DWTR
Manufacturer
Texas Instruments
Allelco Part Number
32D-UC3879DWTR
ECAD Model
Parts Description
IC REG CTRLR HALF-BRIDGE 20SOIC
Package
20-SOIC (0.295", 7.50mm Width)
Data sheet
UC3879DWTR Datasheet.pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 8253

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Specifications

UC3879DWTR Tech Specifications
Texas Instruments - UC3879DWTR technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - UC3879DWTR

Product Attribute Attribute Value  
Manufacturer Texas Instruments  
Voltage - Supply (Vcc/Vdd) 9V ~ 20V  
Topology Half-Bridge  
Synchronous Rectifier Yes  
Supplier Device Package 20-SOIC  
Series -  
Serial Interfaces -  
Package / Case 20-SOIC (0.295", 7.50mm Width)  
Package Tape & Reel (TR)  
Output Type Transistor Driver  
Output Phases 1  
Product Attribute Attribute Value  
Output Configuration Positive  
Operating Temperature 0°C ~ 70°C (TA)  
Number of Outputs 4  
Mounting Type Surface Mount  
Function Step-Up/Step-Down  
Frequency - Switching Up to 300kHz  
Duty Cycle (Max) 50%  
Control Features Frequency Control, Ramp, Soft Start  
Clock Sync Yes  
Base Product Number UC3879  

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

UC3879DWTR

Manufacturer

Texas Instruments

Introduction

The UC3879DWTR is a high-performance, synchronous DC-DC switching controller designed for a variety of power supply applications.

Product Features and Performance

Supports output configurations up to 300kHz switching frequency

Integrated positive output drivers for half-bridge topology

Supports step-up and step-down voltage regulation

Includes frequency control, ramp, and soft-start features

Synchronizable switching frequency

Maximum duty cycle of 50%

Single phase output

Product Advantages

High efficiency power conversion

Small size and low component count

Flexible topology support

Robust protection features

Key Technical Parameters

Input voltage range: 9V to 20V

Operating temperature range: 0°C to 70°C

20-SOIC package

Quality and Safety Features

RoHS3 compliant

Tested for reliability and quality

Compatibility

Surface mount package

Suitable for a wide range of power supply designs

Application Areas

Industrial equipment

Telecommunications infrastructure

Consumer electronics

Automotive systems

Product Lifecycle

The UC3879 is an established product with ongoing support and availability.

Replacement or upgrade options may be available from Texas Instruments.

Key Reasons to Choose This Product

High-performance, feature-rich power management solution

Proven reliability and quality

Flexible configuration options to meet diverse power supply requirements

Ease of integration and small footprint

Backed by the expertise and support of Texas Instruments

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments UC3879DWTR

Product Attribute UC3879DWTR UC3877N UC3886D UC3879DW
Part Number UC3879DWTR UC3877N UC3886D UC3879DW
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Control Features Frequency Control, Ramp, Soft Start - Enable, Frequency Control Frequency Control, Ramp, Soft Start
Base Product Number UC3879 UC3877 UC3886 UC3879
Topology Half-Bridge - Buck Half-Bridge
Duty Cycle (Max) 50% - 90% 50%
Output Type Transistor Driver - Transistor Driver Transistor Driver
Supplier Device Package 20-SOIC - 16-SOIC 20-SOIC
Frequency - Switching Up to 300kHz - 100kHz Up to 300kHz
Series - * - -
Synchronous Rectifier Yes - No Yes
Voltage - Supply (Vcc/Vdd) 9V ~ 20V - 10.3V ~ 20V 9V ~ 20V
Mounting Type Surface Mount - Surface Mount Surface Mount
Function Step-Up/Step-Down - Step-Down Step-Up/Step-Down
Package Tape & Reel (TR) Bulk Tube Tube
Serial Interfaces - - - -
Package / Case 20-SOIC (0.295", 7.50mm Width) - 16-SOIC (0.154', 3.90mm Width) 20-SOIC (0.295', 7.50mm Width)
Clock Sync Yes - No Yes
Operating Temperature 0°C ~ 70°C (TA) - 0°C ~ 70°C (TA) 0°C ~ 70°C (TA)
Number of Outputs 4 - 1 4
Output Phases 1 - 1 1
Output Configuration Positive - Positive Positive

UC3879DWTR Datasheet PDF

Download UC3879DWTR pdf datasheets and Texas Instruments documentation for UC3879DWTR - Texas Instruments.

Datasheets
UC3879DWTR Datasheet.pdf

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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UC3879DWTR Image

UC3879DWTR

Texas Instruments
32D-UC3879DWTR

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