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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching ControllersUC2844DTR
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UC2844DTR - Texas Instruments

Manufacturer Part Number
UC2844DTR
Manufacturer
Texas Instruments
Allelco Part Number
32D-UC2844DTR
ECAD Model
Parts Description
IC PWM BST FLYBACK ISO CM 14SOIC
Detailed Description
Package
14-SOIC (0.154", 3.90mm Width)
Data sheet
Power Management Guide.pdf
UC1842-45, UC2842-45, UC3842-45.pdf
RoHs Status
ROHS3 Compliant
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In stock: 69970

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Specifications

UC2844DTR Tech Specifications
Texas Instruments - UC2844DTR technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - UC2844DTR

Product Attribute Attribute Value  
Manufacturer Texas Instruments  
Voltage - Supply (Vcc/Vdd) 12V ~ 28V  
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 Tape & Reel (TR)  
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) 48%  
Control Features Frequency Control  
Clock Sync No  
Base Product Number UC2844  

Parts Introduction

Manufacturer Part Number

UC2844DTR

Manufacturer

Texas Instruments

Introduction

High performance PWM controller designed for power supply regulation

Product Features and Performance

Integrated pulse width modulation controller

Built-in error amplifier

Current mode operation

Adjustable output voltage

Frequency range up to 500 kHz

Soft start capability

Under-voltage lockout

Product Advantages

Highly efficient power conversion

Improved system reliability

Extended battery life for portable applications

Low power standby mode

Key Technical Parameters

Voltage - Input: -0.3V to 6.3V

Voltage - Supply: 12V to 28V

Current - Supply: 11 mA

Operating Temperature: -40°C to 85°C

Frequency range: Up to 500 kHz

Quality and Safety Features

Under-voltage lockout for system protection

Thermal shutdown mechanism

Overcurrent protection

Compatibility

Compatible with a broad range of output inductors and capacitors

Suitable for use in various power supply topologies

Application Areas

Switched mode power supplies (SMPS)

DC to DC converters

Battery chargers

LED drivers

Product Lifecycle

Active product with ongoing manufacturer support

Check manufacturer's website for any updates on discontinuation or availability of upgrades

Several Key Reasons to Choose This Product

Industry-proven PWM control technology from Texas Instruments

Robust thermal and overcurrent protection features to enhance safety

Flexible design suitable for a wide range of power management applications

Comprehensive technical support and documentation available

Reliable performance in a wide range of operating conditions

Cost-effective solution for power regulation needs

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments UC2844DTR

Product Attribute UC2844DTR UC2844P UC2844D8TR UC2844D8
Part Number UC2844DTR UC2844P UC2844D8TR UC2844D8
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Number of Outputs 1 1 1 1
Function Step-Up, Step-Down, Step-Up/Step-Down Step-Up, Step-Down, Step-Up/Step-Down Step-Up, Step-Down, Step-Up/Step-Down Step-Up, Step-Down, Step-Up/Step-Down
Operating Temperature -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA)
Mounting Type Surface Mount Through Hole Surface Mount Surface Mount
Series - - - -
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
Synchronous Rectifier No No No No
Topology Boost, Buck, Flyback, Forward Boost, Buck, Flyback, Forward Boost, Buck, Flyback, Forward Boost, Buck, Flyback, Forward
Package / Case 14-SOIC (0.154", 3.90mm Width) 8-DIP (0.300", 7.62mm) 8-SOIC (0.154', 3.90mm Width) 8-SOIC (0.154', 3.90mm Width)
Serial Interfaces - - - -
Supplier Device Package 14-SOIC 8-PDIP 8-SOIC 8-SOIC
Base Product Number UC2844 UC2844 UC2844 UC2844
Package Tape & Reel (TR) Bulk Tape & Reel (TR) Tube
Output Phases 1 1 1 1
Voltage - Supply (Vcc/Vdd) 12V ~ 28V 12V ~ 28V 12V ~ 28V 12V ~ 28V
Output Type Transistor Driver Transistor Driver Transistor Driver Transistor Driver
Control Features Frequency Control Frequency Control Frequency Control Frequency Control
Duty Cycle (Max) 48% 48% 48% 48%
Clock Sync No No No No

UC2844DTR Datasheet PDF

Download UC2844DTR pdf datasheets and Texas Instruments documentation for UC2844DTR - Texas Instruments.

Datasheets
Power Management Guide.pdf
HTML Datasheet
UC1842-45, UC2842-45, UC3842-45.pdf
PCN Design/Specification
US18/28/38 DataSheet Update 4/Jan/2017.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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UC2844DTR Image

UC2844DTR

Texas Instruments
32D-UC2844DTR

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