Part Details for AO3404 by Alpha & Omega Semiconductor
Results Overview of AO3404 by Alpha & Omega Semiconductor
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AO3404 Information
AO3404 by Alpha & Omega Semiconductor is a Small Signal Field-Effect Transistor.
Small Signal Field-Effect 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.
Part Details for AO3404
AO3404 CAD Models
AO3404 Part Data Attributes
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AO3404
Alpha & Omega Semiconductor
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Datasheet
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AO3404
Alpha & Omega Semiconductor
Small Signal Field-Effect Transistor, 5A I(D), 30V, 1-Element, N-Channel, Silicon, Metal-oxide Semiconductor FET, GREEN PACKAGE-3
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| Part Life Cycle Code | Obsolete | |
| Ihs Manufacturer | ALPHA & OMEGA SEMICONDUCTOR LTD | |
| Package Description | GREEN PACKAGE-3 | |
| Pin Count | 3 | |
| Reach Compliance Code | compliant | |
| ECCN Code | EAR99 | |
| Configuration | SINGLE WITH BUILT-IN DIODE | |
| DS Breakdown Voltage-Min | 30 V | |
| Drain Current-Max (ID) | 5 A | |
| Drain-source On Resistance-Max | 0.031 Ω | |
| FET Technology | METAL-OXIDE SEMICONDUCTOR | |
| Feedback Cap-Max (Crss) | 50 pF | |
| JESD-30 Code | R-PDSO-G3 | |
| Number of Elements | 1 | |
| Number of Terminals | 3 | |
| Operating Mode | ENHANCEMENT MODE | |
| Package Body Material | PLASTIC/EPOXY | |
| Package Shape | RECTANGULAR | |
| Package Style | SMALL OUTLINE | |
| Polarity/Channel Type | N-CHANNEL | |
| Qualification Status | Not Qualified | |
| Surface Mount | YES | |
| Terminal Form | GULL WING | |
| Terminal Position | DUAL | |
| Transistor Application | SWITCHING | |
| Transistor Element Material | SILICON |
AO3404 Frequently Asked Questions (FAQ)
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The maximum junction temperature (Tj) that the AO3404 can withstand 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 the AO3404 is properly biased, make sure to provide a stable input voltage (VIN) within the recommended range (4.5V to 28V), and a suitable output voltage (VOUT) that meets the application requirements. Also, ensure the input and output capacitors are properly selected and placed close to the device to minimize noise and oscillations.
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For optimal thermal management, it's recommended to use a multi-layer PCB with a solid ground plane and a thermal relief pattern under the device. Ensure good thermal conductivity by using thermal vias and a heat sink if necessary. Keep the input and output traces short and wide to minimize inductance and resistance. Also, follow the recommended land pattern and pinout to minimize thermal resistance and ensure reliable operation.
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To protect the AO3404 from overvoltage and overcurrent conditions, consider adding overvoltage protection (OVP) and overcurrent protection (OCP) circuits. OVP can be achieved using a zener diode or a dedicated OVP IC, while OCP can be implemented using a current sense resistor and a comparator or a dedicated OCP IC. Additionally, ensure the input and output capacitors are rated for the maximum expected voltage and current.
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The recommended input and output capacitors for the AO3404 should have a low equivalent series resistance (ESR) and a high ripple current rating. For the input capacitor, a 10uF to 22uF ceramic or film capacitor with a voltage rating of 50V or higher is recommended. For the output capacitor, a 10uF to 47uF ceramic or film capacitor with a voltage rating of 25V or higher is recommended. Ensure the capacitors are placed close to the device to minimize noise and oscillations.