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UC3843 Current Mode PWM Controller IC

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Stock: 48
Availability: InStock priceValidUntil: 2026-08-31
SKU: 3184 | DAD206

Rs. 17.70 (inc GST)
Rs.15.00 + GST

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GST Invoice: Available for all purchases; eligible for input tax credit.

Delivery: 2–8 days across India. No MOQ required.

Bulk Orders: Need a larger quantity or item not in stock? Email: dnatechindia [at] gmail.com

Import Service: We import a wide range of electronic components on request.

Description

UC3843 Current Mode PWM Controller IC

UC3843 PWM Controller IC for off-line applications with high gain error amplifier and precise duty cycle control.

The UC3843 Current Mode PWM Controller IC is designed for off-line and DC to DC converter applications. This IC features a trimmed oscillator for precise duty cycle control, ensuring effective power management. Its high gain error amplifier and adjustable UVLO thresholds provide stable operation under varying conditions, making it ideal for consumer electronics, industrial applications, and renewable energy systems. The compact design minimizes external components, enhancing reliability and efficiency in various electronic systems.

With the UC3843 Current Mode PWM Controller IC, you can achieve high performance even at a 100% duty cycle. The built-in current sensing comparator and high current totem pole output enable effective MOSFET driving, optimizing your power solutions. Explore how this versatile IC can enhance your projects today.

Incorporate the UC3843 Current Mode PWM Controller IC into your designs for reliable power management and improved efficiency. Its robust features make it a great choice for various applications in the electronics sector.

Discover reliable solutions with DNA, your trusted retailer for Power Devices. Explore the UC3843 Current Mode PWM Controller IC and see other products in the Power Devices category. Check other Power Devices that we have in stock.

Are you searching for specific electronic components? At DNA, we can help you find what you need. From Sensors to Analog ICs, Resistors to Connectors, and Diodes to Development Modules, we can support both retail and bulk orders. If we don’t have it in stock, we can import it for you. Contact Us.

Features of UC3843 Current Mode PWM Controller IC

High gain error amplifier
Adjustable UVLO thresholds
100% duty cycle operation
Compact design
Effective MOSFET driving

Specification of UC3843 Current Mode PWM Controller IC

Temperature compensated reference
Current sensing comparator
Trimming oscillator

Applications of UC3843 Current Mode PWM Controller IC

Power management in consumer electronics
Industrial applications
Renewable energy systems

Package Includes

1 X UC3843 Current Mode PWM Controller IC

Extra Information
Country of Origin	China
Imported By	ElectroSource Private Limited

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Frequently Asked Questions

Do you provide a GST bills?

Yes we provide GST Bill by the name of DNA Solutions. You will receive a GST compliant invoice for your records. You can take GST benefit.

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Returns/replacements depend on the item type and condition. If there’s an issue, contact us with photos/videos and we’ll guide you as per policy.

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After dispatch, you’ll receive a tracking link/number via email/WhatsApp/SMS (as applicable).

I forgot to add GST number at time of placing order, but I need GST Invoice in my firms name?

You can contact us via Contact us page and send your order details and GST number we will send you updated Invoice soft copy.

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Yes — we accept POs. To process a PO faster, share: PO copy, billing address, shipping address, GSTIN (if applicable), and contact number. We’ll confirm availability, price, and dispatch timeline.

Can I return a component if I ordered the wrong value/package?

If the item is unused and in original packaging, we’ll check eligibility case-by-case. Some items may be non-returnable depending on category/condition.

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