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- Datasheet Download Datasheet
- Stock & Prices $ Price & Stock for NCP2890AFCT2G
- Part Number NCP2890AFCT2G
- Manufacturer onsemi
- Pin Count 1
- Part Category Integrated Circuit
- Package Category BGA
- Pinout / Pin List Click Here (Member Only)
NCP2890AFCT2G Details
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Manufacturer Part Number:
NCP2890AFCT2G
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Brand Name:
onsemi
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Pbfree Code:
Yes
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Rohs Code:
Yes
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Part Life Cycle Code:
Obsolete
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Part Package Code:
1.45X1.45X0.6MM-0.5MM PIT
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Package Description:
CSP-9
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Pin Count:
9
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Manufacturer Package Code:
499E
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ECCN Code:
EAR99
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HTS Code:
8542.33.00.01
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Factory Lead Time:
4 Weeks
NCP2890AFCT2G Frequently Asked Questions (FAQs)
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A good PCB layout for the NCP2890AFCT2G involves keeping the input and output traces short and separate, using a solid ground plane, and placing the input and output capacitors close to the device. Additionally, it's recommended to use a Kelvin connection for the output voltage sense pins to minimize noise and ensure accurate voltage regulation.
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To ensure the NCP2890AFCT2G operates within its SOA during startup and shutdown, it's essential to limit the inrush current, use a soft-start circuit, and implement a controlled shutdown sequence. This can be achieved by adding an external soft-start capacitor, using a current-limiting resistor, and implementing a shutdown timer.
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The maximum output capacitance that can be used with the NCP2890AFCT2G is not explicitly stated in the datasheet, but it's generally recommended to limit the output capacitance to 10uF to 22uF to ensure stability and prevent oscillations. However, the actual maximum capacitance may vary depending on the specific application and output voltage.
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To troubleshoot oscillations or instability issues with the NCP2890AFCT2G, start by checking the PCB layout, ensuring that the input and output traces are short and separate, and that the output capacitors are properly sized and placed. Next, verify that the input voltage is within the recommended range, and that the output load is within the specified range. If the issue persists, try adding a small ceramic capacitor (e.g., 10nF) between the output and ground to improve stability.
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The NCP2890AFCT2G is rated for operation up to 150°C, but its performance and reliability may degrade at high temperatures. It's essential to derate the device's output current and voltage according to the temperature derating curve provided in the datasheet. Additionally, ensure that the device is properly heatsinked and that the PCB is designed to handle high temperatures.
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NCP2890AFCT2G Overview
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