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AO3400
+Lista de MateriaisMOSFET N-CH 30V 5.8A SOT23-3
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FabricanteAlpha & Omega Semiconductor Inc.
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Peça do Fabricante #AO3400
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Ficha Técnica AO3400 DataSheet
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Especificações
| Atributo | Valor |
| Part Status | Obsolete |
| Base Product Number | AO34 |
| FET Type | N-Channel |
| Technology | MOSFET (Metal Oxide) |
| Drain to Source Voltage (Vdss) | 30 V |
| Current - Continuous Drain (Id) @ 25°C | 5.8A (Ta) |
| Drive Voltage (Max Rds On, Min Rds On) | 2.5V, 10V |
| Rds On (Max) @ Id, Vgs | 28mOhm @ 5.8A, 10V |
| Vgs(th) (Max) @ Id | 1.45V @ 250µA |
| Gate Charge (Qg) (Max) @ Vgs | 7 nC @ 4.5 V |
| Vgs (Max) | ±12V |
| Input Capacitance (Ciss) (Max) @ Vds | 630 pF @ 15 V |
| Power Dissipation (Max) | 1.4W (Ta) |
| Operating Temperature | -55°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount |
| Supplier Device Package | SOT-23-3 |
| Package | 3-SMD, SOT-23-3 Variant |
| Packaging | Tape & Reel (TR) |
Visão Geral
Description
- Voltage Rating: -30V (Drain-Source)
- Current Rating: -4.3A (Continuous Drain Current)
- Low On-Resistance (RDS(on)): ~40mΩ (at VGS = -10V)
- Gate Threshold (VGS(th)): -1V (typical)
- Compact Package: SOT-23 (space-saving)
Applications:
- Power management (e.g., load switches, battery protection)
- DC-DC converters
- Portable electronics
Advantages:
- Low gate drive requirements
- Fast switching speed
- High efficiency
Note: Ensure proper gate-source voltage (VGS ≤ ±12V) to avoid damage.
For detailed specs, refer to the datasheet.
Features
- Voltage Rating: -30V drain-to-source (VDS).
- Current Handling: -4.2A continuous drain current (ID).
- Low On-Resistance: 60mΩ (max) at VGS = -10V.
- Gate Threshold: -1V to -2.5V (VGS(th)).
- Fast Switching: Low gate charge (Qg ~ 8nC) for efficient performance.
- Package: SOT-23 (compact surface-mount).
- Applications: Power management, load switching, battery protection.
Ideal for low-voltage, high-efficiency circuits.
Application
1. Power Management – Switching and load control in portable devices.
2. Battery Protection – Reverse polarity and discharge circuits.
3. DC-DC Converters – Efficient power conversion in step-down applications.
4. Load Switching – On/off control in USB peripherals and IoT devices.
5. Motor Drivers – Small motor control in consumer electronics.
Its low on-resistance (RDS(on)) and compact SOT-23 package make it ideal for space-constrained, low-voltage (< 30V) applications.
Package
Frequently Asked Questions
Q: What is the maximum drain-source voltage for the AO3400?
A: The AO3400 has a maximum drain-source voltage (Vdss) of 30 V, suitable for low-voltage applications.
Q: Can the AO3400 handle a continuous drain current of 5.8A?
A: Yes, it supports a continuous drain current of 5.8A at 25°C case temperature, ideal for moderate power loads.
Q: What is the typical Rds(on) for the AO3400 at 10V gate drive?
A: The typical Rds(on) is 28 mOhm maximum at Vgs=10V and Id=5.8A, ensuring low conduction losses.
Q: Is the AO3400 suitable for battery management circuits?
A: Yes, with Vgs(th) as low as 1.45V and ±12V Vgs(max), it works well in 2.5V or 3.3V logic-level gate drive systems.
Q: What package does the AO3400 come in?
A: It is housed in a surface-mount SOT-23-3 package, ideal for compact PCB designs with automated assembly.
Q: Can I use this MOSFET in high-speed switching applications?
A: Yes, with a gate charge of only 7 nC at 4.5V, it enables efficient, low-loss switching in DC-DC converters.
Q: What is the operating temperature range of the AO3400?
A: It operates reliably from -55°C to +150°C, suitable for industrial and automotive environments.
