AO3485
MOSFET P-CH 20V 4A SOT23-3Manufacturer: Alpha & Omega Semiconductor Inc.
Categories: Single FETs, MOSFETs
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Alpha & Omega Semiconductor Inc. AO3485 is a P-Channel enhancement mode MOSFET designed for power management applications. This component features a Drain-Source Voltage (Vdss) of 20V and a continuous Drain Current (Id) of 4A at 25°C. The AO3485 exhibits a low on-resistance (Rds On) of 41mOhm at 4A and 4.5V Vgs, with a gate threshold voltage (Vgs(th)) of 900mV at 250µA. It offers a maximum power dissipation of 1.5W (Ta) and operates across a temperature range of -55°C to 150°C. The device is supplied in a SOT-23-3 package for surface mounting and is available on tape and reel. Typical applications include battery protection, load switching, and power delivery circuits in consumer electronics and portable devices.
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: Tape & Reel (TR)Download Free CAD Model:
Technical Details:
| Packaging | Tape & Reel (TR) |
| Package / Case | 3-SMD, SOT-23-3 Variant |
| Mounting Type | Surface Mount |
| Operating Temperature | -55°C ~ 150°C (TJ) |
| Technology | MOSFET (Metal Oxide) |
| FET Type | P-Channel |
| Current - Continuous Drain (Id) @ 25°C | 4A (Ta) |
| Rds On (Max) @ Id, Vgs | 41mOhm @ 4A, 4.5V |
| FET Feature | - |
| Power Dissipation (Max) | 1.5W (Ta) |
| Vgs(th) (Max) @ Id | 900mV @ 250µA |
| Supplier Device Package | SOT-23-3 |
| Drive Voltage (Max Rds On, Min Rds On) | 1.5V, 4.5V |
| Vgs (Max) | ±8V |
| Drain to Source Voltage (Vdss) | 20 V |
| Gate Charge (Qg) (Max) @ Vgs | 15 nC @ 4.5 V |
| Input Capacitance (Ciss) (Max) @ Vds | 751 pF @ 10 V |
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