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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching ControllersUC2843AQD8RQ1
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UC2843AQD8RQ1 - Texas Instruments

Manufacturer Part Number
UC2843AQD8RQ1
Manufacturer
Texas Instruments
Allelco Part Number
32D-UC2843AQD8RQ1
ECAD Model
Parts Description
IC REG CTRLR MULT TOPOLOGY 8SOIC
Detailed Description
Package
8-SOIC (0.154', 3.90mm Width)
Data sheet
UC2843A-Q1.pdf
RoHs Status
ROHS3 Compliant
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Specifications

UC2843AQD8RQ1 Tech Specifications
Texas Instruments - UC2843AQD8RQ1 technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - UC2843AQD8RQ1

Product Attribute Attribute Value  
Manufacturer Texas Instruments  
Voltage - Supply (Vcc/Vdd) 7.6V ~ 30V  
Topology Boost, Buck, Flyback, Forward  
Synchronous Rectifier No  
Supplier Device Package 8-SOIC  
Series Automotive, AEC-Q100  
Serial Interfaces -  
Package / Case 8-SOIC (0.154', 3.90mm Width)  
Package Tape & Reel (TR)  
Output Type Transistor Driver  
Output Phases 1  
Product Attribute Attribute Value  
Output Configuration Positive, Isolation Capable  
Operating Temperature -40°C ~ 125°C (TA)  
Number of Outputs 1  
Mounting Type Surface Mount  
Function Step-Up  
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

UC2843AQD8RQ1

Manufacturer

Texas Instruments

Introduction

The UC2843AQD8RQ1 is a high-performance PWM controller designed for power supply control.

Product Features and Performance

PWM Controller application specific

Operating frequency up to 500 kHz

Trimmed oscillator for precise frequency control

Oscillator frequency guaranteed at 250 kHz

Current mode operation to 500 kHz

Automatic feed-forward compensation

Pulse-by-pulse current limiting

Enhanced load response characteristics

Under-voltage lockout with hysteresis

Double-pulse suppression

Product Advantages

High-performance solution for PWM control applications

Provides accurate and reliable operation

Suitable for various power supply configurations

Enhanced features for improved system response and protection

Key Technical Parameters

Voltage Input: -0.3V to 6.3V

Voltage Supply: 7.9V to 30V

Current Supply: 11 mA

Operating Temperature: -40°C to 125°C

Mounting Type: Surface Mount

Package / Case: 8-SOIC

Quality and Safety Features

Under-voltage lockout ensures stability

Current limiting for device and system protection

Over-temperature shutdown for safety

Compatibility

Designed for use with a range of power supply applications

Compatible with various topologies including flyback, forward, and boost converters

Application Areas

DC/DC Converters

Power supplies for Telecom and Datacom systems

Power supplies for Consumer Electronics

Automotive Systems

Product Lifecycle

Active status indicating production is ongoing

No indication of nearing discontinuation

Check for updates from Texas Instruments on availability of replacements or upgrades

Reasons to Choose This Product

Manufactured by Texas Instruments, a leader in PMIC technology

Highly integrated and feature-rich for advanced power management

Optimized for flexibility to suit a wide range of applications

Reliable performance ensured by rigorous quality control standards

Long-term availability and support due to active product status

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments UC2843AQD8RQ1

Product Attribute UC2843AQD8RQ1 UC2843AQD8R UC2843BD1 UC2843BD1R2G
Part Number UC2843AQD8RQ1 UC2843AQD8R UC2843BD1 UC2843BD1R2G
Manufacturer Texas Instruments Texas Instruments STMicroelectronics onsemi
Series Automotive, AEC-Q100 Automotive, AEC-Q100 - -
Package Tape & Reel (TR) Tape & Reel (TR) Tube Tape & Reel (TR)
Voltage - Supply (Vcc/Vdd) 7.6V ~ 30V 7.6V ~ 30V 7.6V ~ 30V 7.6V ~ 30V
Output Type Transistor Driver Transistor Driver Transistor Driver Transistor Driver
Clock Sync No No No No
Operating Temperature -40°C ~ 125°C (TA) -40°C ~ 125°C (TA) -25°C ~ 85°C (TA) -25°C ~ 85°C (TA)
Package / Case 8-SOIC (0.154', 3.90mm Width) 8-SOIC (0.154', 3.90mm Width) 8-SOIC (0.154', 3.90mm Width) 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC 8-SOIC 8-SOIC 8-SOIC
Output Configuration Positive, Isolation Capable Positive, Isolation Capable Positive, Isolation Capable Positive, Isolation Capable
Frequency - Switching Up to 500kHz Up to 500kHz Up to 500kHz Up to 500kHz
Topology Boost, Buck, Flyback, Forward Boost, Buck, Flyback, Forward Boost, Flyback Boost, Flyback
Serial Interfaces - - - -
Function Step-Up Step-Up Step-Up, Step-Up/Step-Down Step-Up, Step-Up/Step-Down
Output Phases 1 1 1 1
Base Product Number UC2843 UC2843 UC2843 UC2843
Number of Outputs 1 1 1 1
Duty Cycle (Max) 96% 96% 96% 96%
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Synchronous Rectifier No No No No
Control Features Frequency Control Frequency Control Frequency Control Frequency Control

UC2843AQD8RQ1 Datasheet PDF

Download UC2843AQD8RQ1 pdf datasheets and Texas Instruments documentation for UC2843AQD8RQ1 - Texas Instruments.

PCN Assembly/Origin
2.73KHz.pdf
HTML Datasheet
UC2843A-Q1.pdf
PCN Design/Specification
UC2843AQD8RQ1 26/Jul/2022.pdf UC2843AQD8x 07/Nov/2022.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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UC2843AQD8RQ1 Image

UC2843AQD8RQ1

Texas Instruments
32D-UC2843AQD8RQ1

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