- Datasheet Download Datasheet
- Stock & Prices $ Price & Stock for TOP221YN
- Part Number TOP221YN
- Manufacturer Power Integrations
- Pin Count 3
- Part Category Power Supply
- Package Category Transistor Outline, Vertical
- Footprint Name Transistor Outline, Vertical - Plastic_TO-220/3
- Released Date Sep 10, 2021
- Last Modified Date Mar 7, 2023 4:10 PM UTC
- Pinout / Pin List Click Here (Member Only)
TOP221YN Details
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Manufacturer Part Number:
TOP221YN
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Rohs Code:
Yes
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Part Life Cycle Code:
Not Recommended
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Part Package Code:
SFM
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Pin Count:
3
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ECCN Code:
EAR99
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HTS Code:
8542.39.00.60
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Factory Lead Time:
8 Weeks
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Date Of Intro:
1997-04-14
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Manufacturer:
Power Integrations
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YTEOL:
3
TOP221YN Frequently Asked Questions (FAQs)
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The maximum output power of the TOP221YN depends on the input voltage, output voltage, and the transformer turns ratio. However, as a general guideline, the TOP221YN can deliver up to 22W of output power.
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To ensure the TOP221YN operates within its SOA, follow the guidelines in the datasheet for input voltage, output voltage, and output current. Additionally, ensure that the transformer is properly designed and the thermal management is adequate to prevent overheating.
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The recommended PCB layout for the TOP221YN involves keeping the high-voltage nodes (e.g., drain and source) away from the low-voltage nodes (e.g., gate and sense). Use a multi-layer PCB with a solid ground plane to reduce EMI and noise. Follow the layout guidelines in the datasheet and application notes for optimal performance.
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To optimize the transformer design for the TOP221YN, follow the guidelines in the datasheet and application notes. Ensure the transformer has a suitable turns ratio, magnetizing inductance, and leakage inductance. Use a ferrite core with a high permeability and a suitable wire gauge to minimize losses.
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When designing an EMI filter for the TOP221YN, consider the frequency range of interest, the conducted and radiated emissions, and the filter component selection. Use a common-mode choke, X-capacitors, and Y-capacitors to reduce EMI. Ensure the filter is properly grounded and follow the guidelines in the datasheet and application notes.
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TOP221YN Overview
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