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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching ControllersUC3842D8
UC3842D8 Image
Image may be representation.
See specifications for product details.

UC3842D8 - Unitrode

Manufacturer Part Number
UC3842D8
Manufacturer
Unitrode
Allelco Part Number
32D-UC3842D8
ECAD Model
Parts Description
UC3842 CURRENT-MODE PWM CONTROLL
Detailed Description
Package
8-SOIC (0.154", 3.90mm Width)
Data sheet
UC3842 Datasheet.pdf
In stock: 58550

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Quantity

Specifications

UC3842D8 Tech Specifications
Unitrode - UC3842D8 technical specifications, attributes, parameters and parts with similar specifications to Unitrode - UC3842D8

Product Attribute Attribute Value  
Manufacturer Unitrode  
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 Bulk  
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

UC3842D8

Manufacturer

Texas Instruments

Introduction

The UC3842D8 is a PWM Controller from Texas Instruments designed for power supply control.

Product Features and Performance

Designed for optimal power supply control

Surface Mount technology for compact integration

Operates over a temperature range of 0°C to 70°C

Requires a supply voltage of 12V to 28V

Consumes a low supply current of 11 mA

Product Advantages

High reliability in controlling power supplies

Low power consumption enhances system efficiency

Wide operating temperature range suitable for various environments

Key Technical Parameters

Voltage Input: -0.3V to 6.3V

Voltage Supply: 12V to 28V

Current Supply: 11 mA

Operating Temperature: 0°C to 70°C

Mounting Type: Surface Mount

Package / Case: 8-SOIC

Quality and Safety Features

Built to stringent quality standards for reliable performance

Safety features ensure stable operation within voltage and current specifications

Compatibility

Compatible with various power management setups requiring a voltage input from -0.3V to 6.3V

Application Areas

Used in designing and optimizing power supply systems

Product Lifecycle

Currently active with ongoing production

No current plans for discontinuation; replacements and upgrades available as newer technologies evolve

Several Key Reasons to Choose This Product

Reliable manufacturer with a reputation for quality in power management components

Low operational costs due to minimal power need

Flexibility in usage across different power supply systems due to broad voltage compatibility

Stable performance ensured by robust quality and safety features

Long-term availability and support from Texas Instruments

Parts with Similar Specifications

The three parts on the right have similar specifications to Unitrode UC3842D8

Product Attribute UC3842D8 UC3842N UC3842D8 UC3842BVDR2G
Part Number UC3842D8 UC3842N UC3842D8 UC3842BVDR2G
Manufacturer Unitrode onsemi Texas Instruments onsemi
Output Configuration Positive, Isolation Capable Positive, Isolation Capable Positive, Isolation Capable Positive, Isolation Capable
Output Type Transistor Driver Transistor Driver Transistor Driver Transistor Driver
Serial Interfaces - - - -
Package Bulk Tube Tube Tape & Reel (TR)
Output Phases 1 1 1 1
Package / Case 8-SOIC (0.154", 3.90mm Width) 8-DIP (0.300", 7.62mm) 8-SOIC (0.154', 3.90mm Width) 14-SOIC (0.154', 3.90mm Width)
Number of Outputs 1 1 1 1
Control Features Frequency Control Frequency Control Frequency Control Frequency Control
Synchronous Rectifier No No No No
Supplier Device Package 8-SOIC 8-DIP 8-SOIC 14-SOIC
Clock Sync No No No No
Operating Temperature 0°C ~ 70°C (TA) 0°C ~ 70°C (TA) 0°C ~ 70°C (TA) -40°C ~ 105°C (TA)
Series - - - -
Function Step-Up, Step-Down, Step-Up/Step-Down Step-Up, Step-Up/Step-Down Step-Up, Step-Down, Step-Up/Step-Down Step-Up, Step-Up/Step-Down
Mounting Type Surface Mount Through Hole Surface Mount Surface Mount
Topology Boost, Buck, Buck-Boost, Flyback, Forward Boost, Flyback Boost, Buck, Buck-Boost, Flyback, Forward Boost, Flyback
Frequency - Switching Up to 500kHz Up to 500kHz Up to 500kHz Up to 500kHz
Base Product Number UC3842 UC3842 UC3842 UC3842
Duty Cycle (Max) 97% 97% 97% 96%
Voltage - Supply (Vcc/Vdd) 12V ~ 28V 10V ~ 30V 12V ~ 28V 10V ~ 30V

UC3842D8 Datasheet PDF

Download UC3842D8 pdf datasheets and Unitrode documentation for UC3842D8 - Unitrode.

HTML Datasheet
UC3842 Datasheet.pdf

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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UC3842D8 Image

UC3842D8

Unitrode
32D-UC3842D8

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