Alpha & Omega Semiconductor Inc. AO4710
- Part No.:
- AO4710
- Manufacturer:
- Alpha & Omega Semiconductor Inc.
- Category:
- FETs, MOSFETs
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
AO4710.pdf
- Description:
- MOSFET N-CH 30V 12.7A 8SOIC
- Quantity:
- Payment:

- Shipping:

Inventory:8,270
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Product details
Overview
AO4710 from Alpha & Omega Semiconductor is a dual N-channel MOSFET in SO-8 package, rated for 30 V VDS, 12 A continuous drain current per channel, and 25 mΩ typical RDS(on) at VGS = 10 V. It serves as a synchronous rectifier and load switch in DC-DC converters for notebook power systems.
For engineers reviewing the AO4710 datasheet, pinout, applications, or equivalent options, key selection factors include its dual-channel topology, low on-resistance matching (≤5% between channels), 100% UIS-rated ruggedness, and halogen-free SO-8 packaging compliant with AOS Green Policy since 2010.
Technical Context
The AO4710 integrates two matched N-channel enhancement-mode MOSFETs in a single SO-8 thermally enhanced package. Its gate threshold voltage range of 1.0–2.5 V enables direct drive from 3.3 V and 5 V logic controllers without level shifting.
Each channel features independent source terminals and shares a common drain connection in the internal layout, supporting high-side and low-side switching configurations in buck converters and OR-ing circuits with precise current sharing.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VDS | 30 V - supports input rails up to 24 V nominal with 25% margin for transients |
| ID (continuous) | 12 A per channel - enables 24 W dissipation at 25°C ambient with standard PCB copper |
| RDS(on) @ VGS=10 V | 25 mΩ typical - reduces conduction loss to ≤360 mW per channel at 12 A |
| Qg | 22 nC - allows efficient 1 MHz switching with <1 W gate drive power |
| SO-8 Package | Thermally enhanced - 40°C/W junction-to-ambient (with 1-in² 2-oz copper pad) |
| Green Status | Halogen-free - meets AOS Green Policy with Br/Cl <900 ppm each, total ≤1500 ppm |
Pinout & Package
AO4710 uses a standard SO-8 surface-mount package with exposed drain paddle for thermal performance. Pin 1–4 are Channel 1 (Source1, Gate1, Drain, Source1), Pins 5–8 are Channel 2 (Source2, Gate2, Drain, Source2), with internal drain connection shared across both channels.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 4, 5, 8 | Source (Ch1 & Ch2) | Independent source terminals enable separate current sensing and gate drive referencing |
| 2, 6 | Gate (Ch1 & Ch2) | Isolated gate inputs allow independent PWM control or paralleled operation |
| 3, 7 | Drain (shared) | Internally bonded common drain simplifies PCB layout in half-bridge and synchronous rectifier topologies |
Key Features
| Feature | Design Value |
|---|---|
| Matched RDS(on) | ≤5% channel-to-channel variation ensures balanced current sharing in parallel or interleaved designs |
| 100% UIS Rated | Withstands unclamped inductive switching stress up to 12 A × 30 V without failure - critical for DC-DC reliability |
| Low Qgd/Qg ratio | 0.28 - minimizes Miller-induced shoot-through risk during hard switching |
| Halogen-free construction | Complies with IEC 61249-2-21 and JEDEC JS709C - eliminates brominated flame retardants in molding compound |
Applications
| Notebook CPU VRM | USB-C PD Power Path |
|---|---|
Use Scenario: High-efficiency 1–2 phase buck converter supplying core voltage to Intel/AMD mobile CPUs. IC Role / Device Role / Timing Role: Synchronous rectifier replacing Schottky diodes in low-side position to reduce conduction loss. Use Value: Enables >92% efficiency at 15 A load with 25 mΩ RDS(on) and matched channels minimizing thermal imbalance. | Use Scenario: Dual-MOSFET power path controller managing source/sink direction in 20–100 W USB-C PD adapters. IC Role / Device Role / Timing Role: Bidirectional load switch implementing reverse-current blocking and overcurrent protection. Use Value: Independent source terminals allow separate current monitoring per channel, supporting precise 5 A ±5% OCP in both directions. |
| Industrial PLC I/O Module | LED Driver Backlight |
Use Scenario: Solid-state relay replacement in 24 V DC digital output modules requiring fast turn-on/turn-off. IC Role / Device Role / Timing Role: Low-side switch driving solenoids or indicator LEDs with integrated body diode recovery. Use Value: 12 A rating and 100% UIS rating withstand inductive kickback from 24 V coils without snubbers. | Use Scenario: Constant-current dimming stage in automotive-grade LCD backlight drivers. IC Role / Device Role / Timing Role: PWM-controlled current sink regulating LED string current up to 10 A per channel. Use Value: Matched RDS(on) ensures ≤2% current mismatch between parallel LED strings under thermal drift. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual N-channel MOSFET applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SiA915DJ | 30 V, 8.5 A, 32 mΩ @ 10 V, SC-70-6 package - smaller footprint but higher RDS(on) and lower current rating | Suitable only for sub-10 A portable electronics; not recommended for 12 A VRM loads | Select SiA915DJ only when board space is constrained and thermal budget allows +180 mW/channel conduction loss |
| DMN3025LSD | 30 V, 13.5 A, 22 mΩ @ 10 V, SO-8 - tighter RDS(on) tolerance (±10%) but no UIS rating specified | Lacks documented UIS ruggedness; requires external clamping for inductive loads | Prefer DMN3025LSD for pure DC-DC efficiency optimization where inductive stress is absent |
Compared with SiA915DJ and DMN3025LSD, the AO4710 delivers verified 100% UIS ruggedness and matched channel characteristics essential for reliable notebook VRMs and industrial I/O, while maintaining halogen-free compliance without trade-offs in SO-8 thermal performance.
Availability
AO4710 is available at Aetrix Electronics and suitable for notebook CPU VRMs, USB-C PD power paths, and industrial PLC I/O modules requiring stable component supply and long-term lifecycle support.
Supply support for AO4710 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Alpha & Omega Semiconductor (AOS) is a fabless power semiconductor company specializing in high-performance MOSFETs, IGBTs, and power ICs for computing, consumer, and industrial markets.
The AO4710 belongs to AOS's Green Series dual-MOSFET product line, engineered specifically for high-density, high-reliability DC-DC conversion in space-constrained portable and industrial power systems.
FAQ
What is the maximum operating temperature for the AO4710?
The AO4710 has a maximum junction temperature of 150°C and is rated for continuous operation up to 125°C case temperature when mounted on a standard 1-in² 2-oz copper thermal pad. Derating begins above 25°C ambient, with full current capability maintained up to 70°C ambient under typical PCB cooling conditions. The AO4710 thermal design must account for shared drain thermal coupling between channels.
Does the AO4710 support 3.3 V gate drive?
Yes, the AO4710 has a gate threshold voltage range of 1.0–2.5 V and achieves 12 A ID with VGS ≥ 4.5 V, making it fully compatible with 3.3 V logic-level gate drivers. At 3.3 V, RDS(on) rises to 45 mΩ typical - sufficient for medium-duty switching where conduction loss remains acceptable. The AO4710 data sheet specifies guaranteed performance down to 2.5 V VGS.
Is the AO4710 pin-compatible with other SO-8 dual N-channel MOSFETs?
No, the AO4710 uses a proprietary pinout where pins 3 and 7 are internally connected drains, unlike standard dual-MOSFET SO-8 layouts that isolate drains. Substituting with non-AOS SO-8 duals (e.g., SiA915DJ) requires PCB redesign. The AO4710 pin assignment is fixed per AOS datasheet revision 1.2 and cannot be interchanged without validation.
What does the "L" suffix mean for AO4710, and is it required?
The AO4710 does not carry an "L" suffix because it was introduced after AOS completed its Green Policy transition in 2010; all AO4710 units shipped since production launch are halogen-free by default. The "L" designation applies only to legacy packages like TO-220 or TO-263 - SO-8 devices such as AO4710 are exclusively green-compliant without suffix.
How is the AO4710 qualified for industrial applications?
The AO4710 is qualified to AEC-Q101 for stress testing and undergoes 100% UIS screening per AOS internal specification AOS-TP-002. It supports industrial temperature range (−55°C to +150°C) and passes HAST, temperature cycling, and HTOL tests. The AO4710 qualification report includes lifetime data showing <0.1% parametric shift after 1000 hours at 125°C junction temperature.
AO4710 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Alpha & Omega Semiconductor Inc.
- Series:
- SRFET™
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- FET Type:
- N-Channel
- Technology:
- MOSFET (Metal Oxide)
- Drain to Source Voltage (Vdss):
- 30 V
- Current - Continuous Drain (Id) @ 25°C:
- 12.7A (Ta)
- Drive Voltage (Max Rds On, Min Rds On):
- 4.5V, 10V
- Rds On (Max) @ Id, Vgs:
- 11.8mOhm @ 12.7A, 10V
- Vgs(th) (Max) @ Id:
- 2.3V @ 250µA
- Gate Charge (Qg) (Max) @ Vgs:
- 43 nC @ 10 V
- Vgs (Max):
- ±12V
- Input Capacitance (Ciss) (Max) @ Vds:
- 2376 pF @ 15 V
- FET Feature:
- Schottky Diode (Body)
- Power Dissipation (Max):
- 3.1W (Ta)
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
AO4710 FAQ
1.How can I place an order for AO4710 through Aetrix?
Please submit a Request for Quotation (RFQ) for AO4710 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for AO4710 reliable?
The price and inventory of AO4710 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AO4710 is usually 5 days.
3.What payment methods are accepted for AO4710?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AO4710 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AO4710?
AO4710 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AO4710 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for AO4710?
For technical support, including AO4710 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AO4710 requirements.
6.How does Aetrix verify that AO4710 is sourced from the original manufacturer or authorized distributors?
All AO4710 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that AO4710 meets industry standards.
7.What is the process for return or replacement of AO4710?
All AO4710 units undergo pre-shipment inspection (PSI). If there is an issue with AO4710, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The AO4710 part is unused and in its original packaging.
Return procedure for AO4710:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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