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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching ControllersUC2843ADTR
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UC2843ADTR - Unitrode

Manufacturer Part Number
UC2843ADTR
Manufacturer
Unitrode
Allelco Part Number
32D-UC2843ADTR
ECAD Model
Parts Description
UC2843A CURRENT MODE PWM CONTROL
Detailed Description
Package
14-SOIC (0.154", 3.90mm Width)
Data sheet
UC2843ADTR.pdf
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In stock: 90610

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Specifications

UC2843ADTR Tech Specifications
Unitrode - UC2843ADTR technical specifications, attributes, parameters and parts with similar specifications to Unitrode - UC2843ADTR

Product Attribute Attribute Value  
Manufacturer Unitrode  
Voltage - Supply (Vcc/Vdd) 7.6V ~ 30V  
Topology Boost, Buck, Flyback, Forward  
Synchronous Rectifier No  
Supplier Device Package 14-SOIC  
Series -  
Serial Interfaces -  
Package / Case 14-SOIC (0.154", 3.90mm Width)  
Package Bulk  
Output Type Transistor Driver  
Output Phases 1  
Product Attribute Attribute Value  
Output Configuration Positive, Isolation Capable  
Operating Temperature -40°C ~ 85°C (TA)  
Number of Outputs 1  
Mounting Type Surface Mount  
Function Step-Up, Step-Down, Step-Up/Step-Down  
Frequency - Switching Up to 500kHz  
Duty Cycle (Max) 96%  
Control Features Frequency Control  
Clock Sync No  
Base Product Number UC2843  

Parts Introduction

Manufacturer Part Number

UC2843ADTR

Manufacturer

Texas Instruments

Introduction

The UC2843ADTR is a high-performance PWM (Pulse Width Modulation) controller designed for power supply and regulation applications, belonging to Texas Instruments' extensive power management portfolio.

Product Features and Performance

Provides efficient power supply control

Operates across a wide input voltage range of -0.3V to 6.3V

Supplies voltage ranging from 7.6V to 30V

Low supply current requirement of 11 mA

Supports a wide operating temperature range from -40°C to 85°C

AEC-Q100 qualified for automotive applications

Surface mountable with a 14-SOIC package for compact integration

Product Advantages

High reliability and robust performance for demanding applications

Wide input and supply voltage ranges allow for flexible deployment in various circuits

Low power consumption improves system efficiency

AEC-Q100 qualification ensures automotive-grade reliability

Easy to mount and integrate into various designs due to surface mount packaging

Key Technical Parameters

Voltage Input: -0.3V ~ 6.3V

Voltage Supply: 7.6V ~ 30V

Current Supply: 11 mA

Operating Temperature: -40°C ~ 85°C

Package / Case: 14-SOIC

Quality and Safety Features

Meets AEC-Q100 automotive quality standards

Built with Texas Instruments' commitment to quality and reliability

Compatibility

Compatible with a wide range of power supply circuit designs and configurations

Application Areas

Automotive electronics

Power supply units

Electric and hybrid vehicles

Industrial control systems

Renewable energy systems

Product Lifecycle

Currently marked as Active, indicating ongoing production and availability

No indication of nearing discontinuation, ensuring long-term supply availability

Several Key Reasons to Choose This Product

Wide operating voltage and temperature ranges make it suitable for a variety of applications

Low supply current enhances overall system efficiency

AEC-Q100 qualification ensures high reliability for automotive applications

Surface mount packaging allows for compact and efficient design integration

Supported by Texas Instruments' reputation for high-quality and reliable components

Parts with Similar Specifications

The three parts on the right have similar specifications to Unitrode UC2843ADTR

Product Attribute UC2843ADTR UC2843AQ UC2843AQD8 UC2843ADM
Part Number UC2843ADTR UC2843AQ UC2843AQD8 UC2843ADM
Manufacturer Unitrode Texas Instruments Texas Instruments Microchip Technology
Duty Cycle (Max) 96% 96% 96% 96%
Voltage - Supply (Vcc/Vdd) 7.6V ~ 30V 7.6V ~ 30V 7.6V ~ 30V 7.6V ~ 30V
Package / Case 14-SOIC (0.154", 3.90mm Width) 20-LCC (J-Lead) 8-SOIC (0.154', 3.90mm Width) 8-SOIC (0.154', 3.90mm Width)
Topology Boost, Buck, Flyback, Forward Boost, Buck, Flyback, Forward Boost, Buck, Flyback, Forward Boost, Buck, Flyback, Forward
Function Step-Up, Step-Down, Step-Up/Step-Down Step-Up, Step-Down, Step-Up/Step-Down Step-Up Step-Up, Step-Down
Number of Outputs 1 1 1 1
Base Product Number UC2843 UC2843 UC2843 UC2843
Control Features Frequency Control Frequency Control Frequency Control Frequency Control
Frequency - Switching Up to 500kHz Up to 500kHz Up to 500kHz Up to 500kHz
Series - - Automotive, AEC-Q100 -
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Clock Sync No No No No
Synchronous Rectifier No No No No
Operating Temperature -40°C ~ 85°C (TA) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TA) -40°C ~ 85°C (TA)
Serial Interfaces - - - -
Supplier Device Package 14-SOIC 20-PLCC (9x9) 8-SOIC 8-SOIC
Output Configuration Positive, Isolation Capable Positive, Isolation Capable Positive, Isolation Capable Positive, Isolation Capable
Output Type Transistor Driver Transistor Driver Transistor Driver Transistor Driver
Package Bulk Tube Tube Bulk
Output Phases 1 1 1 1

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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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UC2843ADTR Image

UC2843ADTR

Unitrode
32D-UC2843ADTR

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