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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching ControllersUC3842ADTR
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UC3842ADTR - Texas Instruments

Manufacturer Part Number
UC3842ADTR
Manufacturer
Texas Instruments
Allelco Part Number
32D-UC3842ADTR
ECAD Model
Parts Description
IC REG CTRLR PWM CM 14SOIC
Package
14-SOIC (0.154', 3.90mm Width)
Data sheet
UC1842A-45A, UC2842A-45A, UC3842A-45A.pdf
RoHs Status
ROHS3 Compliant
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Specifications

UC3842ADTR Tech Specifications
Texas Instruments - UC3842ADTR technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - UC3842ADTR

Product Attribute Attribute Value  
Manufacturer Texas Instruments  
Voltage - Supply (Vcc/Vdd) 10V ~ 30V  
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 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) 96%  
Control Features Frequency Control  
Clock Sync No  
Base Product Number UC3842  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

Manufacturer Part Number

UC3842ADTR

Manufacturer

Texas Instruments

Introduction

The UC3842ADTR is a high-performance PWM controller designed for power supply control.

Product Features and Performance

Advanced PWM Control

Low Start-Up Current (≈0.5mA)

Automatic Feed Forward Compensation

Pulse-by-Pulse Current Limiting

Enhanced Load Response Characteristics

Under-Voltage Lockout with Hysteresis

Double Pulse Suppression

Product Advantages

High efficiency and reliability

Minimized external component count due to internal circuits

Flexibility in control allows for use in a wide range of power supply designs

Improved power supply performance under varying conditions

Key Technical Parameters

Voltage Input: -0.3V ~ 6.3V

Voltage Supply: 10V ~ 30V

Current Supply: 11 mA

Operating Temperature: 0°C ~ 70°C (TA)

Mounting Type: Surface Mount

Quality and Safety Features

Overcurrent Protection

Thermal Shutdown Mechanism

Stability under a wide range of temperatures and voltages

Compatibility

Compatible with a variety of power supply designs and topologies

Application Areas

Switching power supplies

DC-DC converters

Battery chargers

Power control circuits

Product Lifecycle

Active product status

Not nearing discontinuation, ensuring long-term availability

Several Key Reasons to Choose This Product

Wide input and operating voltage ranges allow for versatile use

High efficiency design leads to energy saving

Robust protection features ensure long-term reliability

Texas Instruments' legacy of quality and support

Improved power supply control and performance for a range of applications

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments UC3842ADTR

Product Attribute UC3842ADTR UC3842AD8 UC3842AN UC3842ADM
Part Number UC3842ADTR UC3842AD8 UC3842AN UC3842ADM
Manufacturer Texas Instruments Texas Instruments onsemi Microsemi Corporation
Mounting Type Surface Mount Surface Mount Through Hole Surface Mount
Supplier Device Package 14-SOIC 8-SOIC 8-PDIP 8-SOIC
Function Step-Up, Step-Down, Step-Up/Step-Down Step-Up, Step-Down, Step-Up/Step-Down Step-Up, Step-Up/Step-Down Step-Up, Step-Down
Duty Cycle (Max) 96% 96% 96% 96%
Series - - - -
Control Features Frequency Control Frequency Control Frequency Control Frequency Control
Output Configuration Positive, Isolation Capable Positive, Isolation Capable Positive, Isolation Capable Positive, Isolation Capable
Synchronous Rectifier No No No No
Clock Sync No No No No
Topology Boost, Buck, Flyback, Forward Boost, Buck, Flyback, Forward Boost, Flyback Boost, Buck, Flyback, Forward
Voltage - Supply (Vcc/Vdd) 10V ~ 30V 10V ~ 30V 10V ~ 30V 10V ~ 30V
Operating Temperature 0°C ~ 70°C (TA) 0°C ~ 70°C (TA) 0°C ~ 70°C (TA) 0°C ~ 70°C (TA)
Output Type Transistor Driver Transistor Driver Transistor Driver Transistor Driver
Package / Case 14-SOIC (0.154', 3.90mm Width) 8-SOIC (0.154', 3.90mm Width) 8-DIP (0.300', 7.62mm) 8-SOIC (0.154', 3.90mm Width)
Package Tape & Reel (TR) Tube Tube Tube
Frequency - Switching Up to 500kHz Up to 500kHz Up to 500kHz Up to 500kHz
Base Product Number UC3842 UC3842 UC3842 UC3842
Number of Outputs 1 1 1 1
Serial Interfaces - - - -
Output Phases 1 1 1 1

UC3842ADTR Datasheet PDF

Download UC3842ADTR pdf datasheets and Texas Instruments documentation for UC3842ADTR - Texas Instruments.

PCN Design/Specification
Mult Devices Font 21/Apr/2018.pdf UCYYY 13/DEC/2017.pdf
HTML Datasheet
UC1842A-45A, UC2842A-45A, UC3842A-45A.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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UC3842ADTR Image

UC3842ADTR

Texas Instruments
32D-UC3842ADTR

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