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Description
The NX2838CMTR is a two-phase PWM controller with integrated FET driver designed for low voltage high current application. The two phase synchronous buck converter offers ripple cancelation for both input and output. The NX2838CMTR uses differential remote sensing using either current sense resistor or inductor DCR sensing to achieve accurate current matching between the two channels. Differential sensing eliminates the error caused by PCB board trace resistance that is otherwise present when using single ended voltage sensing. In addition, the NX2838CMTR offers high drive current capability especially for keeping the synchronous MOSFET off during SW node transition, accurate programmable droop allowing to reduce number of output capacitors, accurate enable circuit provides programmable startup point for Bus voltage, PGOOD output, programmable switching frequency, and hiccup current limiting circuitry.
Specifications and features
- Product category: IC Chips
- Integrated FET driver
- Low voltage high current
- Ripple cancellation for input and output
- Differential remote sensing for accurate current matching
- High drive current capability
- Programmable droop for reducing number of output capacitors
- Programmable startup point
- Switching frequency is programmable
- Hiccup current limiting circuitry
Application Scenarios
The NX2838CMTR is ideal for use in the following:
- Graphic card high current Vcore supply
- High current +40A on board DC to DC converter applications
Comparison
Advantages- Offers ripple cancellation for both input and output
- Eliminates the error caused by PCB board trace resistance that is otherwise present when using single ended voltage sensing
- High drive current capability
- Programmable droop for reducing number of output capacitors
- Programmable startup point for Bus voltage, PGOOD output, and switching frequency
- Hiccup current limiting circuitry
- Pb-free and RoHS compliant
Disadvantages- Not suitable for applications outside of low voltage high current usage
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Similar parts: 430483 , Click to view
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Datasheet
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Shopping guide
Delivery period:
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Popular parts of the same kind
- Datasheet: Download NX2838CMTR
- Chipdatas Part: CD92-NX2838CMTR
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/03 14:32 +0800
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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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