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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching ControllersUC3842D8TR
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UC3842D8TR - Texas Instruments

Manufacturer Part Number
UC3842D8TR
Manufacturer
Texas Instruments
Allelco Part Number
32D-UC3842D8TR
ECAD Model
Parts Description
IC REG CTRLR PWM CM 8SOIC
Detailed Description
Package
8-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: 55270

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Specifications

UC3842D8TR Tech Specifications
Texas Instruments - UC3842D8TR technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - UC3842D8TR

Product Attribute Attribute Value  
Manufacturer Texas Instruments  
Voltage - Supply (Vcc/Vdd) 12V ~ 28V  
Topology Boost, Buck, Buck-Boost, Flyback, Forward  
Synchronous Rectifier No  
Supplier Device Package 8-SOIC  
Series -  
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 0°C ~ 70°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) 97%  
Control Features Frequency Control  
Clock Sync No  
Base Product Number UC3842  

Parts Introduction

Manufacturer Part Number

UC3842D8TR

Manufacturer

Texas Instruments

Introduction

The UC3842D8TR by Texas Instruments is a sophisticated power management integrated circuit (IC) designed for PWM (Pulse Width Modulation) control in power supply controllers and monitors. Its significance lies in efficient power management across various applications.

Product Features and Performance

Built-in oscillator for PWM control

Under-voltage lockout for safe operation

Automatic feed-forward compensation

Pulse-by-pulse current limiting

Enhanced load response characteristics

Optimized for off-line and DC-to-DC converters

Low startup and operating current

Product Advantages

Efficient power management reduces energy consumption

High level of integration simplifies circuit design

Reliable operation with built-in protection features

Suitable for a wide range of power supply applications

Improved power supply reliability and performance

Key Technical Parameters

Voltage Input: -0.3V ~ 6.3V

Voltage Supply: 12V ~ 28V

Current Supply: 11 mA

Operating Temperature: 0°C ~ 70°C

Mounting Type: Surface Mount

Package / Case: 8-SOIC

Supplier Device Package: 8-SOIC

Quality and Safety Features

Under-voltage lockout ensures safe operation

Current limiting minimizes risk of damage

Thermal shutdown for over-temperature protection

Compatibility

Compatible with a wide range of power supply designs

Interchangeable with other UC384x devices for flexibility in design

Application Areas

Switching power supplies

DC-DC converters

Battery chargers

Power supply control in consumer electronics, telecommunications, and industrial equipment

Product Lifecycle

Status: Active

Not nearing discontinuation, with ongoing support and availability

Upgrades or replacements are continuously developed

Several Key Reasons to Choose This Product

High reliability and performance for efficient power management

Suitable for a broad range of power supply applications from consumer electronics to industrial equipment

Texas Instruments' commitment to quality and long-term availability

Built-in safety features enhance the longevity of the end application

Flexible compatibility and integration into existing designs

Enhanced power supply performance with optimized PWM control

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments UC3842D8TR

Product Attribute UC3842D8TR UC3842N UC3842D UC3842D
Part Number UC3842D8TR UC3842N UC3842D UC3842D
Manufacturer Texas Instruments onsemi onsemi Unitrode
Supplier Device Package 8-SOIC 8-DIP 14-SOP 14-SOP
Mounting Type Surface Mount Through Hole Surface Mount Surface Mount
Clock Sync No No No No
Base Product Number UC3842 UC3842 UC3842 UC3842
Output Configuration Positive, Isolation Capable Positive, Isolation Capable Positive, Isolation Capable Positive, Isolation Capable
Synchronous Rectifier No No No No
Topology Boost, Buck, Buck-Boost, Flyback, Forward Boost, Flyback Boost, Flyback Boost, Flyback
Operating Temperature 0°C ~ 70°C (TA) 0°C ~ 70°C (TA) 0°C ~ 70°C (TA) 0°C ~ 70°C (TA)
Function Step-Up, Step-Down, Step-Up/Step-Down Step-Up, Step-Up/Step-Down Step-Up, Step-Up/Step-Down Step-Up, Step-Up/Step-Down
Voltage - Supply (Vcc/Vdd) 12V ~ 28V 10V ~ 30V 10V ~ 30V 10V ~ 30V
Duty Cycle (Max) 97% 97% 97% 97%
Serial Interfaces - - - -
Control Features Frequency Control Frequency Control Frequency Control Frequency Control
Package / Case 8-SOIC (0.154', 3.90mm Width) 8-DIP (0.300", 7.62mm) 14-SOIC (0.209", 5.30mm Width) 14-SOIC (0.209", 5.30mm Width)
Frequency - Switching Up to 500kHz Up to 500kHz Up to 500kHz Up to 500kHz
Package Tape & Reel (TR) Tube Tube Bulk
Output Type Transistor Driver Transistor Driver Transistor Driver Transistor Driver
Number of Outputs 1 1 1 1
Output Phases 1 1 1 1
Series - - - -

UC3842D8TR Datasheet PDF

Download UC3842D8TR pdf datasheets and Texas Instruments documentation for UC3842D8TR - Texas Instruments.

Datasheets
Power Management Guide.pdf
PCN Design/Specification
Mult Devices Font 21/Apr/2018.pdf US18/28/38 DataSheet Update 4/Jan/2017.pdf
HTML Datasheet
UC1842-45, UC2842-45, UC3842-45.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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UC3842D8TR Image

UC3842D8TR

Texas Instruments
32D-UC3842D8TR

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