Part Details for AON4703 by Alpha & Omega Semiconductor
Results Overview of AON4703 by Alpha & Omega Semiconductor
- Distributor Offerings: (2 listings)
- Number of FFF Equivalents: (0 replacements)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (0 options)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
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AON4703 Information
AON4703 by Alpha & Omega Semiconductor is an Other Transistor.
Other Transistors are under the broader part category of Transistors.
A transistor is a small semiconductor device used to amplify, control, or create electrical signals. When selecting a transistor, factors such as voltage, current rating, gain, and power dissipation must be considered, with common types. Read more about Transistors on our Transistors part category page.
Price & Stock for AON4703
| Part # | Distributor | Description | Stock | Price | Buy | |
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Quest Components | TRANSISTOR | 21000 |
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$0.1373 / $0.3924 | Buy Now |
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DISTI #
AON4703
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TME | Transistor: P-MOSFET, unipolar, -20V, -2.7A, 1.1W, DFN8 Min Qty: 3 | 0 |
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$0.2220 / $0.3560 | RFQ |
Part Details for AON4703
AON4703 CAD Models
AON4703 Part Data Attributes
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AON4703
Alpha & Omega Semiconductor
Buy Now
Datasheet
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Compare Parts:
AON4703
Alpha & Omega Semiconductor
Transistor
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| Part Life Cycle Code | Active | |
| Ihs Manufacturer | ALPHA & OMEGA SEMICONDUCTOR LTD | |
| Package Description | , | |
| Reach Compliance Code | compliant | |
| ECCN Code | EAR99 | |
| Samacsys Manufacturer | Alpha & Omega Semiconductors |
AON4703 Frequently Asked Questions (FAQ)
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The maximum junction temperature of the AON4703 is 150°C. However, it's recommended to keep the junction temperature below 125°C for reliable operation and to prevent thermal runaway.
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To ensure proper thermal management, it's essential to provide a good thermal path from the device to a heat sink or the PCB. Use a thermal interface material, such as thermal tape or thermal grease, to fill any air gaps between the device and the heat sink. Additionally, ensure that the PCB is designed with thermal vias and a solid copper plane to dissipate heat efficiently.
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The recommended PCB layout for the AON4703 involves placing the device near the input capacitors and keeping the high-current paths as short as possible. Use a solid copper plane for the drain and source connections, and ensure that the gate drive traces are short and wide to minimize inductance. Additionally, place the device on a thermal pad with multiple thermal vias to dissipate heat efficiently.
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To protect the AON4703 from overvoltage and overcurrent conditions, use a TVS diode or a zener diode to clamp the voltage, and a fuse or a current sense resistor to detect overcurrent conditions. Additionally, consider using a gate driver with built-in overcurrent protection and undervoltage lockout to prevent the device from operating in an unstable region.
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The recommended gate drive voltage for the AON4703 is between 4.5V and 15V. However, it's essential to ensure that the gate drive voltage is higher than the threshold voltage (Vth) of the device, which is typically around 2V to 4V. A higher gate drive voltage can help to reduce the on-state resistance and improve the device's performance.