UC3844BDR - Brand New AC DC Converters, Offline Switchers
In Stock:7034 ,Ready for Immediate Shipping
New
RoSH Lead free
In Stock:
7034,
Ready for Immediate Shipping
Category:AC DC Converters, Offline Switchers
Chipdatas Part No.:CD94-UC3844BDR
Manufacturer Part No.:UC3844BDR
Datecode:09+
Package:SOP-8
Request Quote:
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Description
The UC3844BDR is a high-performance fixed frequency current mode controller designed for off-line and DC-DC converter applications. It offers a cost-effective solution with minimal external components. This integrated circuit features an oscillator, a temperature-compensated reference, high-gain error amplifier, current sensing comparator, and a high-current totem pole output, making it ideal for driving a power MOSFET.
Specifications and Features
- Trimmed Oscillator for Precise Frequency Control
- Oscillator Frequency Guaranteed at 250 kHz
- Current Mode Operation to 500 kHz Output Switching Frequency
- Output Deadtime Adjustable from 50% to 70%
- 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
Application Scenarios
The UC3844BDR can be used in various AC-DC converter and offline switcher applications. It provides a reliable and efficient solution for power conversion.
Comparison
Advantages- Cost-effective solution with minimal external components
- High-performance fixed frequency current mode controller
- Designed for off-line and DC-DC converter applications
- High-current totem pole output for driving power MOSFET
DisadvantagesNo specific disadvantages have been identified for the UC3844BDR model.
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Similar parts: 1587 , Click to view
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Datasheet
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Shopping guide
Delivery period:
- - Will ship out in 2-3 days
- - DHL Express: 3-7 business days
- - DHL eCommerce: 12-22 business days
- - FedEx International Priority: 3-7 business days
- - EMS: 10-15 business days
Shipping fee:
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- - View in your order page
Shipping option:
DHL, FedEx, EMS, SF Express, and Registered Air MailShipping tracking:
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- - View in your order page
How to Buy:
- - In-stock, Add to cart > Check out > Submit order > Complete payment >Delivery.
- - Inquiry, Add to inquiry sheet/Submit bom/inquire file/Send email us > Quote > Place order > Complete payment >Delivery.
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Payment:
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- - Wire transfer, include Local bank transfer.
- - Western Union.
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Additional Information
- Datasheet: Download UC3844BDR
- Chipdatas Part: CD94-UC3844BDR
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/30 20:12 +0800
Refund
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- Full Refund if you don't receive your order
- Full or Partial Refund , If the item is not as described
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Payment Method
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The fee is charged according to the rule of PayPal.
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The fee is charged according to the rule of PayPal.
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Western Union charge US$0.00 banking fee.
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We recommend to use bank transfer for large orders to save on handling fees.
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