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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching ControllersUC3844BD1R2G
UC3844BD1R2G Image
Image may be representation.
See specifications for product details.

UC3844BD1R2G - onsemi

Manufacturer Part Number
UC3844BD1R2G
Manufacturer
onsemi
Allelco Part Number
32D-UC3844BD1R2G
ECAD Model
Parts Description
IC REG CTRLR PWM CM 8-SOIC
Detailed Description
Package
8-SOIC (0.154', 3.90mm Width)
Data sheet
Cylindrical Battery Holders.pdf
UC3844B, 3845B, 2844B, 2845B.pdf
RoHs Status
ROHS3 Compliant
In stock: 85230

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Quantity

Specifications

UC3844BD1R2G Tech Specifications
onsemi - UC3844BD1R2G technical specifications, attributes, parameters and parts with similar specifications to onsemi - UC3844BD1R2G

Product Attribute Attribute Value  
Manufacturer onsemi  
Voltage - Supply (Vcc/Vdd) 10V ~ 36V  
Topology Boost, Flyback  
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-Up/Step-Down  
Frequency - Switching Up to 500kHz  
Duty Cycle (Max) 48%  
Control Features Frequency Control  
Clock Sync No  
Base Product Number UC3844  

Parts Introduction

Manufacturer Part Number

UC3844BD1R2G

Manufacturer

onsemi

Introduction

The UC3844BD1R2G is a high-performance, current-mode PWM IC designed for off-line and high-frequency DC/DC converter applications. It provides a wide range of features and flexibility to meet the demands of modern power supply designs.

Product Features and Performance

High-speed current-mode control

Wide operating voltage range of 10V to 36V

Switching frequency up to 500kHz

Supports boost, flyback, and step-up/step-down topologies

Positive, isolation-capable output

Frequency control feature

Up to 48% duty cycle

Single-output configuration

Product Advantages

Excellent efficiency and reliability

Flexible design options for various power supply applications

Ease of integration and implementation

Robust performance across wide operating conditions

Key Technical Parameters

Operating temperature range: 0°C to 70°C

Package: 8-SOIC (0.154", 3.90mm width)

Mounting type: Surface mount

Quality and Safety Features

RoHS3 compliant

Reliable and durable construction

Compatibility

Suitable for off-line and high-frequency DC/DC converter designs

Application Areas

Switching power supplies

Power factor correction (PFC) circuits

Battery chargers

Industrial and consumer electronics

Product Lifecycle

The UC3844BD1R2G is an active and widely-used product in the onsemi portfolio. There are no immediate plans for discontinuation, and replacement or upgrade options are available as needed.

Several Key Reasons to Choose This Product

Exceptional performance and efficiency across a wide range of operating conditions

Flexible design options and ease of integration for various power supply applications

Robust quality and reliability, ensuring long-term performance and stability

Extensive industry experience and technical support from onsemi

Availability of compatible and replacement options for future design needs

Parts with Similar Specifications

The three parts on the right have similar specifications to onsemi UC3844BD1R2G

Product Attribute UC3844BD1R2G UC3844BDG UC3844BNG UC3844BVN
Part Number UC3844BD1R2G UC3844BDG UC3844BNG UC3844BVN
Manufacturer onsemi onsemi onsemi onsemi
Package Tape & Reel (TR) Tube Tube Tube
Serial Interfaces - - - -
Output Configuration Positive, Isolation Capable Positive, Isolation Capable Positive, Isolation Capable Positive, Isolation Capable
Clock Sync No No No No
Control Features Frequency Control Frequency Control Frequency Control Frequency Control
Topology Boost, Flyback Boost, Flyback Boost, Flyback Boost, Flyback
Function Step-Up, Step-Up/Step-Down Step-Up, Step-Up/Step-Down Step-Up, Step-Up/Step-Down Step-Up, Step-Up/Step-Down
Frequency - Switching Up to 500kHz Up to 500kHz Up to 500kHz Up to 500kHz
Mounting Type Surface Mount Surface Mount Through Hole Through Hole
Base Product Number UC3844 UC3844 UC3844 UC3844
Voltage - Supply (Vcc/Vdd) 10V ~ 36V 10V ~ 36V 10V ~ 36V 10V ~ 36V
Synchronous Rectifier No No No No
Series - - - -
Supplier Device Package 8-SOIC 14-SOIC 8-PDIP 8-PDIP
Output Type Transistor Driver Transistor Driver Transistor Driver Transistor Driver
Duty Cycle (Max) 48% 48% 48% 48%
Operating Temperature 0°C ~ 70°C (TA) 0°C ~ 70°C (TA) 0°C ~ 70°C (TA) -40°C ~ 105°C (TA)
Output Phases 1 1 1 1
Package / Case 8-SOIC (0.154', 3.90mm Width) 14-SOIC (0.154', 3.90mm Width) 8-DIP (0.300', 7.62mm) 8-DIP (0.300', 7.62mm)
Number of Outputs 1 1 1 1

UC3844BD1R2G Datasheet PDF

Download UC3844BD1R2G pdf datasheets and onsemi documentation for UC3844BD1R2G - onsemi.

Datasheets
Cylindrical Battery Holders.pdf
Environmental Information
onsemi RoHS.pdf onsemi REACH.pdf Material Declaration UC3844BD1R2G.pdf
PCN Packaging
Mult MSL1 Pkg Rev 20/Dec/2018.pdf Tape Design Chg 25/Oct/2019.pdf
HTML Datasheet
UC3844B, 3845B, 2844B, 2845B.pdf
PCN Assembly/Origin
2.73KHz.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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UC3844BD1R2G Image

UC3844BD1R2G

onsemi
32D-UC3844BD1R2G

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