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AO4425
+物料清單MOSFET P-CH 38V 14A 8SOIC
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製造商部分 #AO4425
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規格
| 屬性 | 價值 |
| Supplier | Alpha & Omega Semiconductor Inc. |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| FET Type | P-Channel |
| Technology | MOSFET (Metal Oxide) |
| Drain to Source Voltage (Vdss) | 38 V |
| Current - Continuous Drain(Id) @ 25°C | 14A (Ta) |
| Drive Voltage(Max Rds On Min Rds On) | 10V, 20V |
| Rds On(Max) @ Id Vgs | 10mOhm @ 14A, 20V |
| Vgs(th)(Max) @ Id | 3.5V @ 250µA |
| Gate Charge(Qg)(Max) @ Vgs | 63 nC @ 10 V |
| Vgs(Max) | ±25V |
| Input Capacitance(Ciss)(Max) @ Vds | 3800 pF @ 20 V |
| Power Dissipation (Max) | 3.1W (Ta) |
| Operating Temperature | -55°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount |
| Supplier Device Package | 8-SOIC |
概述
Description
AO4425 is a power MOSFET from Alpha & Omega Semiconductor (AOS). It is an N-channel enhancement‑mode device used as a high‑ or low‑side switch in switching power supplies, motor drivers, and load switches.
Key points:
- Technology: trench/advanced MOSFET process for low on-resistance.
- Ratings: varies by package variant, but typically around 55–60 V with tens of amperes of continuous current.
- On-resistance: low (tens of milliohms) to improve efficiency.
- Gate drive: designed for logic‑level or standard gate voltages depending on variant.
- Packages: common power packages such as DPAK (TO‑252) or D²PAK (TO‑263).
- Applications: DC‑DC converters, synchronous rectification, motor control, and general power switching.
- Important: exact electrical specs (VDS, ID, RDS(on), VGS(th), SOA, thermal limits) depend on the specific AO4425 variant—consult the datasheet for precise numbers.
If you have a specific package or rating in mind, I can pull the exact figures.
Key points:
- Technology: trench/advanced MOSFET process for low on-resistance.
- Ratings: varies by package variant, but typically around 55–60 V with tens of amperes of continuous current.
- On-resistance: low (tens of milliohms) to improve efficiency.
- Gate drive: designed for logic‑level or standard gate voltages depending on variant.
- Packages: common power packages such as DPAK (TO‑252) or D²PAK (TO‑263).
- Applications: DC‑DC converters, synchronous rectification, motor control, and general power switching.
- Important: exact electrical specs (VDS, ID, RDS(on), VGS(th), SOA, thermal limits) depend on the specific AO4425 variant—consult the datasheet for precise numbers.
If you have a specific package or rating in mind, I can pull the exact figures.
Equivalent
AO4425 is an N-channel MOSFET rated about 55 V. There isn’t a single exact equivalent—the cross-reference depends on package and drive. To find alternates, match Vds (~55 V), Id and low Rds(on) (tens of mΩ). Common 55 V N-channel options: STP55NF06L (60 V, ~50 A, TO‑220/D2PAK) and IRLZ44N (55 V, ~47 A, TO‑220). Always verify datasheets and package compatibility.
Features
AO4425 features (concise):
- N-channel enhancement-mode MOSFET from Alpha & Omega
- Voltage rating: around 55 V (Vds)
- Very low on-resistance: low milliohms (typical a few mΩ at Vgs = 10 V)
- High continuous drain current (tens of amperes class)
- Fast switching with trench MOSFET technology
- Low gate charge
- Robust avalanche/rugged body diode performance
- RoHS compliant, Pb-free
- Available in surface-mount packages (e.g., D²PAK/TO-263 and SO-8)
Uses: DC-DC converters, synchronous rectification, motor drivers, load switches.
Note: exact numbers (Rds(on), Id, package variants) vary by part revision; refer to the specific datasheet for precise values.
- N-channel enhancement-mode MOSFET from Alpha & Omega
- Voltage rating: around 55 V (Vds)
- Very low on-resistance: low milliohms (typical a few mΩ at Vgs = 10 V)
- High continuous drain current (tens of amperes class)
- Fast switching with trench MOSFET technology
- Low gate charge
- Robust avalanche/rugged body diode performance
- RoHS compliant, Pb-free
- Available in surface-mount packages (e.g., D²PAK/TO-263 and SO-8)
Uses: DC-DC converters, synchronous rectification, motor drivers, load switches.
Note: exact numbers (Rds(on), Id, package variants) vary by part revision; refer to the specific datasheet for precise values.
Pinout
AO4425 is a N-channel enhancement-mode power MOSFET. In its common package it has 3 pins: Gate (G), Drain (D), Source (S). The tab is typically connected to Drain.
Manufacturer
- Manufacturer: Alpha and Omega Semiconductor (AOS).
- Company type: A fabless semiconductor company that designs and markets power MOSFETs and other power-management devices, outsourcing fabrication to external foundries.
- Company type: A fabless semiconductor company that designs and markets power MOSFETs and other power-management devices, outsourcing fabrication to external foundries.
Application
AO4425 is a high-efficiency N-channel power MOSFET. Common application areas include:
- DC-DC switching regulators (buck/boost, synchronous)
- Load switches and high/low-side switches
- Motor drive circuits (DC, stepper, BLDC)
- Automotive and industrial power electronics (inverters, battery management, solar charge controllers)
- Power-management blocks in servers, telecom, and consumer electronics
- Hot-swap protection and PWM power stages
Used wherever a robust, fast-switching power MOSFET is needed for efficient power conversion.
- DC-DC switching regulators (buck/boost, synchronous)
- Load switches and high/low-side switches
- Motor drive circuits (DC, stepper, BLDC)
- Automotive and industrial power electronics (inverters, battery management, solar charge controllers)
- Power-management blocks in servers, telecom, and consumer electronics
- Hot-swap protection and PWM power stages
Used wherever a robust, fast-switching power MOSFET is needed for efficient power conversion.
Package
D2PAK (TO-263) surface-mount package.
