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Orders Over
$5000UC3843BVN
UC3843BVN: High Frequency Switching Controllers with 1A PWM Current
Brands: onsemi
Mfr.Part #: UC3843BVN
Datasheet: UC3843BVN Datasheet (PDF)
Package/Case: 8-DIP
Product Type: DC DC Switching Controllers
RoHS Status:
Stock Condition: 7,412 pcs, New Original
Warranty: 1 Year Ovaga Warranty - Find Out More
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UC3843BVN General Description
The UC3843BVN is a high-performance voltage mode PWM controller that offers exceptional functionality and versatility in powering switching power supplies and DC-DC converters. With an operating voltage range of 8V to 35V and an output current capacity of up to 1A, this controller provides reliable power management solutions for a wide range of applications. The adjustable duty cycle of up to 50% and the frequency range of 50kHz to 1MHz allow for precise control over output voltage and current levels, ensuring efficient operation. Additionally, the UC3843BVN features an internal soft-start function for smooth start-up, along with overcurrent protection and under voltage lockout protection for enhanced safety. Its error amplifier and precision reference voltage of 5V further contribute to its accuracy and stability in regulating power output, making it a dependable choice for your power supply needs
Features
- Trimmed Oscillator for Precise Frequency Control
- Oscillator Frequency Guaranteed at 250 kHz
- Current Mode Operation to 500 kHz
- Automatic Feed Forward Compensation
- Latching PWM for Cycle−By−Cycle Current Limiting
- Internally Trimmed Reference with Undervoltage Lockout
- High Current Totem Pole Output
- Undervoltage Lockout with Hysteresis
- Low Startup and Operating Current
- Pb−Free Packages are Available
Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Package | Tube | Product Status | Obsolete |
| Output Type | Transistor Driver | Function | Step-Up, Step-Up/Step-Down |
| Output Configuration | Positive, Isolation Capable | Topology | Boost, Flyback |
| Number of Outputs | 1 | Output Phases | 1 |
| Voltage - Supply (Vcc/Vdd) | 7.6V ~ 30V | Frequency - Switching | Up to 500kHz |
| Duty Cycle (Max) | 96% | Synchronous Rectifier | No |
| Clock Sync | No | Control Features | Frequency Control |
| Operating Temperature | -40°C ~ 105°C (TA) | Mounting Type | Through Hole |
| Package / Case | 8-DIP (0.300", 7.62mm) | Supplier Device Package | 8-PDIP |
| Base Product Number | UC3843 |
Shipping
| Shipping Type | Ship Fee | Lead Time | |
|---|---|---|---|
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DHL | $20.00-$40.00 (0.50 KG) | 2-5 days |
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Fedex | $20.00-$40.00 (0.50 KG) | 2-5 days |
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UPS | $20.00-$40.00 (0.50 KG) | 2-5 days |
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TNT | $20.00-$40.00 (0.50 KG) | 2-5 days |
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EMS | $20.00-$40.00 (0.50 KG) | 2-5 days |
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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 | |
|---|---|---|
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Wire Transfer | charge US$30.00 banking fee. |
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Paypal | charge 4.0% service fee. |
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Credit Card | charge 3.5% service fee. |
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Western Union | charge US.00 banking fee. |
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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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![Anti-static bag]( "Anti-static bag")
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.
We provide high quality products, thoughtful service and after sale guarantee
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We have rich products, can meet your various needs.
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Minimum order quantity starts from 1pcs.
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![shipping]( "shipping")
Lowest international shipping fee starts from $0.00
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![guarantee]( "guarantee")
365 days quality guarantee for all products
