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8-pin SOIC PWM Current Mode Controller designed to operate at 250 kHz and handle currents up to 1 A at voltages up to 30 V

ISO14001 ISO9001 DUNS

Brands: Onsemi

Mfr.Part #: UC2844BD1R2G

Datasheet: UC2844BD1R2G Datasheet (PDF)

Package/Case: SOIC-8

Product Type: DC DC Switching Controllers

RoHS Status:

Stock Condition: 6,629 pcs, New Original

Warranty: 1 Year Ovaga Warranty - Find Out More

Quick Quote

Please submit RFQ for UC2844BD1R2G or email to us: Email: [email protected], we will contact you within 12 hours.

UC2844BD1R2G General Description

Available in both 8-pin dual-in-line and surface mount (SO-8) plastic packages, as well as the 14-pin plastic surface mount (SO-14) package, the UC3844B and UC3845B controllers offer flexibility in terms of integration and installation. The SO-14 package features separate power and ground pins for the totem pole output stage, enhancing overall performance and reliability in operation


  • This product offers advanced safety features
  • Cycle-by-cycle current limiting and thermal shutdown protection
  • Suitable for various applications with robust design


  • High-performance PWM technology
  • Designed for maximum efficiency
  • Ensures precise power management


Parameter Value Parameter Value
Status Active Compliance PbAHP
Package Type SOIC-8 Case Outline 751-07
MSL Type 1 MSL Temp (°C) 260
Container Type REEL Container Qty. 2500
ON Target N Topology Flyback
Control Mode Current Mode fsw Typ (kHz) 52
Stand-by Mode No UVLO (V) Yes
Short Circuit Protection Yes Latch No
Soft Start No VCC Max (V) 30
Drive Cap. (mA) 200 / 200


Shipping Type Ship Fee Lead Time
DHL DHL $20.00-$40.00 (0.50 KG) 2-5 days
Fedex Fedex $20.00-$40.00 (0.50 KG) 2-5 days
UPS UPS $20.00-$40.00 (0.50 KG) 2-5 days
TNT TNT $20.00-$40.00 (0.50 KG) 2-5 days
EMS EMS $20.00-$40.00 (0.50 KG) 2-5 days
REGISTERED AIR MAIL REGISTERED AIR MAIL $20.00-$40.00 (0.50 KG) 2-5 days

Processing Time:Shipping fee depend on different zone and country.


Terms of payment Hand Fee
Wire Transfer Wire Transfer charge US$30.00 banking fee.
Paypal Paypal charge 4.5% service fee.
Credit Card Credit Card charge 3.5% service fee.
Western Union Western Union charge US.00 banking fee.
Money Gram Money Gram charge US$0.00 banking fee.


1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.

2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.


  • Product

    Step1 :Product

  • Vacuum packaging

    Step2 :Vacuum packaging

  • Anti-static bag

    Step3 :Anti-static bag

  • Individual packaging

    Step4 :Individual packaging

  • Packaging boxes

    Step5 :Packaging boxes

  • bar-code shipping tag

    Step6 :bar-code shipping tag

All the products will packing in anti-staticbag. Ship with ESD antistatic protection.

Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.

We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.

After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.

  • ESD
  • ESD

Part points

  • The UC2844BD1R2G is a high-performance current mode controller chip designed for use in power supplies and voltage regulator circuits. It offers precision voltage references, error amplifiers, and a PWM control circuit to provide stable and efficient power regulation. It is commonly used in switch-mode power supplies for applications such as LED lighting, motor control, and battery chargers.
  • Equivalent

    The equivalent products of the UC2844BD1R2G chip are the UC3844BD1R2G, UC3844BD1013TR, UC3844BD1013TR, UC3844BD1013TRG4, and UC3844BD1R2G4 chips. They are all part of the same series of high-performance current mode controllers designed for use in offline or isolated DC-to-DC converters.
  • Features

    - High performance current mode PWM controller - Adjustable frequency up to 1MHz - Internal soft-start function - 1% reference voltage tolerance - Error amplifier with 2.0V internal voltage reference - UVLO with hysteresis - Cycle-by-cycle current limiting - Available in SOIC-8 package
  • Pinout

    The UC2844BD1R2G is a high performance current mode PWM controller designed for use in power supplies. It has 8 pins which include inputs for voltage, feedback, and oscillator, as well as outputs for power and ground connections. It provides functions such as regulating output voltage and controlling power delivery.
  • Manufacturer

    The UC2844BD1R2G is manufactured by ON Semiconductor, a semiconductor company that specializes in power and signal management, discrete, logic, custom, and advanced products. ON Semiconductor is a global company with headquarters in Phoenix, Arizona, and provides solutions for the automotive, industrial, and consumer markets.
  • Application Field

    The UC2844BD1R2G is a high-performance voltage mode PWM controller designed for use in power supplies, LED drivers, battery chargers, and other switching regulator applications. It is commonly used in applications that require high efficiency, fast transient response, and precise regulation of output voltage.
  • Package

    The UC2844BD1R2G chip comes in a SOIC-8 package type, with a surface mount form and a size of 4.9mm x 3.9mm.

We provide high quality products, thoughtful service and after sale guarantee

  • Product

    We have rich products, can meet your various needs.

  • quantity

    Minimum order quantity starts from 1pcs.

  • shipping

    Lowest international shipping fee starts from $0.00

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    365 days quality guarantee for all products

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