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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching ControllersUC3842ADR2
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UC3842ADR2 - onsemi

Manufacturer Part Number
UC3842ADR2
Manufacturer
onsemi
Allelco Part Number
32D-UC3842ADR2
ECAD Model
Parts Description
IC REG CTRLR FLYBK ISO CM 14SOIC
Package
14-SOIC (0.154', 3.90mm Width)
Data sheet
Cylindrical Battery Holders.pdf
UC2842A(43A), UC3842A(43A).pdf
Our certification
In stock: 8590

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Specifications

UC3842ADR2 Tech Specifications
onsemi - UC3842ADR2 technical specifications, attributes, parameters and parts with similar specifications to onsemi - UC3842ADR2

Product Attribute Attribute Value  
Manufacturer onsemi  
Voltage - Supply (Vcc/Vdd) 10V ~ 30V  
Topology Boost, Flyback  
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 0°C ~ 70°C (TA)  
Number of Outputs 1  
Mounting Type Surface Mount  
Function Step-Up, Step-Up/Step-Down  
Frequency - Switching Up to 500kHz  
Duty Cycle (Max) 96%  
Control Features Frequency Control  
Clock Sync No  
Base Product Number UC3842  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status RoHS non-compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.31.0001

Parts Introduction

Manufacturer Part Number

UC3842ADR2

Manufacturer

onsemi

Introduction

The UC3842ADR2 is a high-performance, current-mode PWM controller designed for off-line and DC-to-DC power supply applications. It offers a wide range of features and versatility, making it a suitable choice for a variety of power conversion needs.

Product Features and Performance

Voltage supply range: 10V to 30V

Switching frequency up to 500kHz

Maximum duty cycle of 96%

Current-mode control for improved line and load regulation

Frequency control for flexible design options

Single-ended or push-pull output configurations

Suitable for boost, flyback, and other power conversion topologies

Product Advantages

Excellent line and load regulation

High-efficiency power conversion

Flexible design options with frequency control

Reliable and robust performance

Key Reasons to Choose This Product

Proven performance in a wide range of power supply applications

Flexible design options to meet specific power conversion needs

Reliable and robust operation for long-term reliability

Cost-effective solution for efficient power conversion

Quality and Safety Features

Designed to meet industry safety and reliability standards

Robust protection features, including overcurrent and thermal shutdown

Compatibility

The UC3842ADR2 is compatible with a variety of power supply designs and can be used in a wide range of applications, including:

Off-line power supplies

DC-to-DC converters

Industrial and commercial power supplies

Telecom and networking equipment

Automotive and transportation systems

Application Areas

Power supplies for industrial, commercial, and consumer electronics

Lighting and motor control applications

Telecommunications and networking equipment

Automotive and transportation systems

Product Lifecycle

The UC3842ADR2 is an obsolete product, meaning it is no longer in active production. However, there are several equivalent and alternative models available from onsemi that can provide similar functionality and performance. Customers are advised to contact our website's sales team for more information on suitable replacement options.

Parts with Similar Specifications

The three parts on the right have similar specifications to onsemi UC3842ADR2

Product Attribute UC3842ADR2 UC3842ANG UC3842AD8 UC3842AN
Part Number UC3842ADR2 UC3842ANG UC3842AD8 UC3842AN
Manufacturer onsemi onsemi Texas Instruments Texas Instruments
Number of Outputs 1 1 1 1
Output Configuration Positive, Isolation Capable Positive, Isolation Capable Positive, Isolation Capable Positive, Isolation Capable
Clock Sync No No No No
Topology Boost, Flyback Boost, Flyback Boost, Buck, Flyback, Forward Boost, Buck, Flyback, Forward
Voltage - Supply (Vcc/Vdd) 10V ~ 30V 10V ~ 30V 10V ~ 30V 10V ~ 30V
Frequency - Switching Up to 500kHz Up to 500kHz Up to 500kHz Up to 500kHz
Duty Cycle (Max) 96% 96% 96% 96%
Package / Case 14-SOIC (0.154', 3.90mm Width) 8-DIP (0.300', 7.62mm) 8-SOIC (0.154', 3.90mm Width) 8-DIP (0.300', 7.62mm)
Operating Temperature 0°C ~ 70°C (TA) 0°C ~ 70°C (TA) 0°C ~ 70°C (TA) 0°C ~ 70°C (TA)
Series - - - -
Control Features Frequency Control Frequency Control Frequency Control Frequency Control
Supplier Device Package 14-SOIC 8-PDIP 8-SOIC 8-PDIP
Output Phases 1 1 1 1
Synchronous Rectifier No No No No
Serial Interfaces - - - -
Package Tape & Reel (TR) Tube Tube Tube
Base Product Number UC3842 UC3842 UC3842 UC3842
Output Type Transistor Driver Transistor Driver Transistor Driver Transistor Driver
Mounting Type Surface Mount Through Hole Surface Mount Through Hole
Function Step-Up, Step-Up/Step-Down Step-Up, Step-Up/Step-Down Step-Up, Step-Down, Step-Up/Step-Down Step-Up, Step-Down, Step-Up/Step-Down

UC3842ADR2 Datasheet PDF

Download UC3842ADR2 pdf datasheets and onsemi documentation for UC3842ADR2 - onsemi.

Datasheets
Cylindrical Battery Holders.pdf
Environmental Information
onsemi RoHS.pdf
PCN Obsolescence/ EOL
Cylindrical Battery Holders.pdf
HTML Datasheet
UC2842A(43A), UC3842A(43A).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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UC3842ADR2 Image

UC3842ADR2

onsemi
32D-UC3842ADR2

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