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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching ControllersUC3879N
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UC3879N - Texas Instruments

Manufacturer Part Number
UC3879N
Manufacturer
Texas Instruments
Allelco Part Number
32D-UC3879N
ECAD Model
Parts Description
IC REG CTRLR HALF-BRIDGE 20DIP
Package
20-DIP (0.300', 7.62mm)
Data sheet
UC3879DWTR Datasheet.pdf
RoHs Status
ROHS3 Compliant
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Specifications

UC3879N Tech Specifications
Texas Instruments - UC3879N technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - UC3879N

Product Attribute Attribute Value  
Manufacturer Texas Instruments  
Voltage - Supply (Vcc/Vdd) 9V ~ 20V  
Topology Half-Bridge  
Synchronous Rectifier Yes  
Supplier Device Package 20-PDIP  
Series -  
Serial Interfaces -  
Package / Case 20-DIP (0.300', 7.62mm)  
Package Tube  
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 Through Hole  
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) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

Manufacturer Part Number

UC3879N

Manufacturer

Texas Instruments

Introduction

The UC3879N is a high-performance, single-chip, dual-output, pulse-width modulation (PWM) controller designed for step-up/step-down DC/DC converter applications. It provides a comprehensive set of control and protection features to enable the design of efficient and reliable power supplies.

Product Features and Performance

Dual-output PWM controller for step-up/step-down DC/DC converters

Wide input voltage range of 9V to 20V

Switching frequency up to 300kHz

50% maximum duty cycle

Synchronous rectification support

Clock synchronization capability

Frequency control, ramp, and soft-start functions

0°C to 70°C operating temperature range

Through-hole 20-DIP package

Product Advantages

Flexible step-up/step-down topology for versatile power conversion

High switching frequency for compact and efficient power supply designs

Synchronous rectification for improved efficiency

Comprehensive control and protection features for reliable operation

Wide operating temperature range for diverse applications

Key Reasons to Choose This Product

Proven reliability and performance from a trusted manufacturer like Texas Instruments

Versatile power conversion capabilities to meet various system requirements

Efficient and compact power supply designs with high switching frequency

Comprehensive control features for advanced power management

Broad temperature range for use in diverse environmental conditions

Quality and Safety Features

Robust design and construction for reliable operation

Thermal protection and other safety features for safe and stable performance

Compatibility

The UC3879N is a general-purpose PWM controller that can be used in a wide range of step-up/step-down DC/DC converter applications.

Application Areas

Telecommunications equipment

Industrial automation and control systems

Automotive electronics

Consumer electronics

Portable devices

Product Lifecycle

The UC3879N is currently in the Last Time Buy (LTB) phase, which means it is nearing the end of its production lifecycle. Customers are advised to contact our website's sales team for information on equivalent or alternative models that may be available as replacements.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments UC3879N

Product Attribute UC3879N UC3879DW UC3886D UC3879DWTR
Part Number UC3879N UC3879DW UC3886D UC3879DWTR
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Output Phases 1 1 1 1
Supplier Device Package 20-PDIP 20-SOIC 16-SOIC 20-SOIC
Frequency - Switching Up to 300kHz Up to 300kHz 100kHz Up to 300kHz
Mounting Type Through Hole Surface Mount Surface Mount Surface Mount
Number of Outputs 4 4 1 4
Base Product Number UC3879 UC3879 UC3886 UC3879
Output Type Transistor Driver Transistor Driver Transistor Driver Transistor Driver
Topology Half-Bridge Half-Bridge Buck Half-Bridge
Package / Case 20-DIP (0.300', 7.62mm) 20-SOIC (0.295', 7.50mm Width) 16-SOIC (0.154', 3.90mm Width) 20-SOIC (0.295", 7.50mm Width)
Duty Cycle (Max) 50% 50% 90% 50%
Operating Temperature 0°C ~ 70°C (TA) 0°C ~ 70°C (TA) 0°C ~ 70°C (TA) 0°C ~ 70°C (TA)
Voltage - Supply (Vcc/Vdd) 9V ~ 20V 9V ~ 20V 10.3V ~ 20V 9V ~ 20V
Synchronous Rectifier Yes Yes No Yes
Series - - - -
Output Configuration Positive Positive Positive Positive
Clock Sync Yes Yes No Yes
Control Features Frequency Control, Ramp, Soft Start Frequency Control, Ramp, Soft Start Enable, Frequency Control Frequency Control, Ramp, Soft Start
Function Step-Up/Step-Down Step-Up/Step-Down Step-Down Step-Up/Step-Down
Package Tube Tube Tube Tape & Reel (TR)
Serial Interfaces - - - -

UC3879N Datasheet PDF

Download UC3879N pdf datasheets and Texas Instruments documentation for UC3879N - Texas Instruments.

Datasheets
UC3879DWTR Datasheet.pdf
PCN Assembly/Origin
2.73KHz.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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UC3879N Image

UC3879N

Texas Instruments
32D-UC3879N

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