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HomeProductsIntegrated Circuits (ICs)PMIC - AC DC Converters, Offline SwitchersUCC28740QDRQ1
Texas Instruments
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UCC28740QDRQ1 - Texas Instruments

Manufacturer Part Number
UCC28740QDRQ1
Manufacturer
Texas Instruments
Allelco Part Number
32D-UCC28740QDRQ1
ECAD Model
Parts Description
IC OFFLINE SWITCH FLYBACK 7SOIC
Detailed Description
Package
8-SOIC (0.154", 3.90mm Width), 7 Leads
Data sheet
UCC28740-Q1.pdf
RoHs Status
ROHS3 Compliant
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Specifications

UCC28740QDRQ1 Tech Specifications
Texas Instruments - UCC28740QDRQ1 technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - UCC28740QDRQ1

Product Attribute Attribute Value  
Manufacturer Texas Instruments  
Voltage - Supply (Vcc/Vdd) 9V ~ 35V  
Voltage - Start Up 21 V  
Voltage - Breakdown -  
Topology Flyback  
Supplier Device Package 7-SOIC  
Series Automotive, AEC-Q100  
Package / Case 8-SOIC (0.154", 3.90mm Width), 7 Leads  
Package Tape & Reel (TR)  
Product Attribute Attribute Value  
Output Isolation Isolated  
Operating Temperature -40°C ~ 125°C (TJ)  
Mounting Type Surface Mount  
Internal Switch(s) No  
Frequency - Switching 170Hz ~ 100kHz  
Fault Protection Current Limiting, Over Voltage  
Duty Cycle -  
Control Features -  
Base Product Number UCC28740  

Parts Introduction

Manufacturer Part Number

UCC28740QDRQ1

Manufacturer

Texas Instruments

Introduction

AC/DC converter for isolated flyback power supply with optimized efficiency

Product Features and Performance

Flyback topology

High-level integration for reduced component count

Optimized for efficient energy use

Extended operating temperature range

Product Advantages

AEC-Q100 qualified for automotive applications

Accuracy in regulation maintaining performance

Start Up Voltage at 21V conducive for various power applications

Supports wide range of supply voltage (9V to 35V)

Key Technical Parameters

No internal switch

Switching frequency range from 170Hz to 100kHz

Fault protection includes current limiting and over voltage

Operating temperature from -40°C to 125°C

Quality and Safety Features

Built-in protection features for enhanced safety

High reliability suited for automotive standards

Compatibility

Compatible with surface mount technology

Designed for isolated power supply designs

Application Areas

Automotive electronics

Industrial power systems

Consumer electronics

Product Lifecycle

Active product status

Quality and supply guaranteed for new designs

Several Key Reasons to Choose This Product

Robust performance for demanding applications

Tailored for automotive and industrial use with high-grade components

Meets industry standards for quality and reliability

Flexible design options with wide switching frequency range

Adherence to stringent automotive qualification standards

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments UCC28740QDRQ1

Product Attribute UCC28740QDRQ1 UCC28730DR UCC28782ADRTWR UCC28720DR
Part Number UCC28740QDRQ1 UCC28730DR UCC28782ADRTWR UCC28720DR
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Control Features - - Soft Start -
Duty Cycle - - - -
Voltage - Breakdown - - - -
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Supplier Device Package 7-SOIC 7-SOIC 24-WQFN (4x4) 7-SOIC
Output Isolation Isolated Isolated Isolated Isolated
Voltage - Start Up 21 V 21 V 17 V 21 V
Topology Flyback Flyback Boost, Flyback Flyback
Series Automotive, AEC-Q100 - - -
Fault Protection Current Limiting, Over Voltage Current Limiting, Over Voltage Current Limiting, Over Temperature, Over Voltage, Short Circuit Current Limiting, Over Voltage
Package / Case 8-SOIC (0.154", 3.90mm Width), 7 Leads 8-SOIC (0.154', 3.90mm Width), 7 Leads 24-WFQFN Exposed Pad 8-SOIC (0.154", 3.90mm Width), 7 Leads
Internal Switch(s) No No Yes No
Operating Temperature -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ)
Frequency - Switching 170Hz ~ 100kHz 32Hz ~ 83kHz 420kHz 650Hz ~ 80kHz
Voltage - Supply (Vcc/Vdd) 9V ~ 35V 9V ~ 35V 14V ~ 34V 9V ~ 35V
Package Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR)
Base Product Number UCC28740 UCC28730 UCC28782 UCC28720

UCC28740QDRQ1 Datasheet PDF

Download UCC28740QDRQ1 pdf datasheets and Texas Instruments documentation for UCC28740QDRQ1 - Texas Instruments.

HTML Datasheet
UCC28740-Q1.pdf
PCN Design/Specification
UCC28740-Q1 12/Aug/2021.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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Texas Instruments

UCC28740QDRQ1

Texas Instruments
32D-UCC28740QDRQ1

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