ON UC3844BVDG
UC3844BVDG is a current mode PWM controller featuring a 1A output at 500kHz, housed in a 14-pin SOIC package
Brands: Onsemi
Mfr.Part #: UC3844BVDG
Datasheet: UC3844BVDG Datasheet (PDF)
Package/Case: SOIC-14
Product Type: Power Management ICs
RoHS Status:
Stock Condition: 3770 pcs, New Original
Warranty: 1 Year Ovaga Warranty - Find Out More
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Add To BomUC3844BVDG General Description
The UC3844BVDG is a voltage mode pulse width modulation (PWM) controller IC designed for use in power supply applications. It operates with supply voltage ranging from 8V to 20V and can deliver output voltages up to 36V. The UC3844BVDG features a built-in oscillator capable of producing frequencies up to 500kHz, making it suitable for use in high-frequency switching power supplies.This IC offers a range of protection features including overvoltage protection, overcurrent protection, and thermal shutdown to ensure safe and reliable operation. It also includes a soft-start function to prevent large in-rush currents during start-up.The UC3844BVDG is housed in an 8-pin SOIC package, making it compact and easy to integrate into power supply designs. It is designed to operate over a wide temperature range of -40°C to 105°C, allowing for use in a variety of environments.
Features
Application
Specifications
Parameter | Value | Parameter | Value |
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Status | Last Shipments | Compliance | PbAHP |
Package Type | SOIC-14 | Case Outline | 751A-03 |
MSL Type | 1 | MSL Temp (°C) | 260 |
Container Type | TUBE | Container Qty. | 55 |
ON Target | N | Topology | Step-Up |
Control Mode | Current Mode | fsw Typ (kHz) | 52 |
Stand-by Mode | No | UVLO (V) | Yes |
Short Circuit Protection | Yes | Latch | No |
Soft Start | Yes | VCC Max (V) | 25 |
Drive Cap. (mA) | 200 / 200 |
Shipping
Shipping Type | Ship Fee | Lead Time | |
---|---|---|---|
DHL | $20.00-$40.00 (0.50 KG) | 2-5 days | |
Fedex | $20.00-$40.00 (0.50 KG) | 2-5 days | |
UPS | $20.00-$40.00 (0.50 KG) | 2-5 days | |
TNT | $20.00-$40.00 (0.50 KG) | 2-5 days | |
EMS | $20.00-$40.00 (0.50 KG) | 2-5 days | |
REGISTERED AIR MAIL | $20.00-$40.00 (0.50 KG) | 2-5 days |
Processing Time:Shipping fee depend on different zone and country.
Payment
Terms of payment | Hand Fee | |
---|---|---|
Wire Transfer | charge US$30.00 banking fee. | |
Paypal | charge 4.0% service fee. | |
Credit Card | charge 3.5% service fee. | |
Western Union | charge US.00 banking fee. | |
Money Gram | charge US$0.00 banking fee. |
Guarantees
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.
Packing
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Step1 :Product
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Step2 :Vacuum packaging
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Step3 :Anti-static bag
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Step4 :Individual packaging
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Step5 :Packaging boxes
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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.
Part points
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The UC3844BVDG is a control IC chip designed for power supply applications. It provides necessary functions for controlling and regulating output voltage, current, and power in various circuits. The chip uses voltage mode control with pulse width modulation (PWM) and includes features like overvoltage protection, undervoltage lockout, and soft start. It is commonly used in offline and DC-DC converter circuits.
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Equivalent
The equivalent products of the UC3844BVDG chip include the UC3844VD, UC3844AQ, UC3844N, UC3844AD, UC3844BD1R2G, UC3844BDG, UC3844D1R2G, UC3844AN, and UC3844P. -
Features
The UC3844BVDG is a high-performance current-mode PWM controller that features a frequency range up to 500 kHz, voltage feed-forward compensation, an internally trimmed oscillator, soft-start, and cycle-by-cycle current limiting. It also incorporates an undervoltage lockout with hysteresis, a 50 ns start-up time, and a high-current totem pole output. -
Pinout
The UC3844BVDG is a PWM controller IC with a pin count of 8. The pins include VCC, GND, FB/Comp, CS, RT/CT, EN/UVLO, output, and output. The IC is typically used for controlling power supplies and converters. -
Manufacturer
The manufacturer of the UC3844BVDG is Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures integrated circuits for a wide range of applications, including analog and digital signal processing, microcontrollers, and power management. -
Application Field
The UC3844BVDG is a high-performance current-mode PWM controller used in various applications such as power supplies, battery chargers, LED lighting, and motor control. It provides for enhanced stability, accuracy, and protection features, making it suitable for multiple power management applications. -
Package
The UC3844BVDG chip is available in a surface-mount package type known as SOIC (Small Outline Integrated Circuit). Its form is rectangular and it measures approximately 5.3mm x 6.4mm.
Datasheet PDF
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