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Home > Products > Discrete Semiconductor Products > Transistors > FETs, MOSFETs > FETs, MOSFETs

Alpha & Omega Semiconductor Inc. AON6526

Name: AON6526
Brand: Alpha & Omega Semiconductor Inc.
SKU: AON6526
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: AON6526

Manufacturer:: Alpha & Omega Semiconductor Inc.

Category:: FETs, MOSFETs

Package:: 8-PowerSMD, Flat Leads

Datasheet:: AON6526.pdf

Description:: MOSFET N-CH 30V 24A/32A 8DFN

Quantity:: RFQ Add To RFQ list

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Product details

Overview

AON6526 from Alpha & Omega Semiconductor is a 30V N-channel Trench Power AlphaMOS (αMOS LV) discrete MOSFET optimized for high-efficiency DC/DC conversion. It delivers 32A continuous drain current at V_GS=10V, <7mΩ R_DS(on) at 10V and <9mΩ at 4.5V, with low gate charge (Q_g=24–33nC) and 100% UIS-tested ruggedness for computing and telecom POL applications.

For engineers reviewing the AON6526 datasheet, pinout, applications, or equivalent options, key selection criteria include its DFN5x6 package thermal performance (R_θJC=5°C/W), body-diode reverse recovery (t_rr=12.6ns, Q_rr=15.2nC), and gate threshold voltage range (1.2–2.2V) in high-frequency synchronous buck stages.

Technical Context

The AON6526 employs Alpha & Omega's latest αMOS LV trench technology to achieve ultra-low on-resistance at logic-level gate drive (4.5V), enabling efficient operation in 5V- and 3.3V-gated power stages. Its low Q_g (24–33nC @ 10V) and Q_gd (5.5nC) reduce switching losses, while the 100% avalanche-rated design supports unclamped inductive switching in hard-switched topologies.

Thermally, the device uses a DFN5x6 package with exposed drain pad for direct PCB heat sinking, achieving R_θJC=5°C/W and R_θJA=53°C/W on 1in² 2oz copper. The 150°C maximum junction temperature and 100% R_g tested gate resistance (0.8–2.6Ω) ensure consistent turn-on behavior across production lots.

Key Specifications

Parameter	Value and Actual Design Meaning
V_DS	30V - Maximum blocking voltage for 24V-input and 12V-input DC/DC converters
I_D (V_GS=10V)	32A - Continuous current capability at full gate drive, suitable for 30A+ POL modules
R_DS(on) (V_GS=4.5V)	<9mΩ - Enables efficient operation with 5V gate drivers in synchronous rectification
Q_g (10V)	24–33nC - Low total gate charge reduces driver power loss and EMI in >500kHz designs
t_rr / Q_rr	12.6ns / 15.2nC - Fast, low-charge body diode enables high-frequency hard-switching without excessive loss
R_θJC	5°C/W - Enables high-power dissipation via direct thermal path to PCB copper, critical for compact layouts

Pinout & Package

Package: DFN5x6 (5mm × 6mm, 1.0mm height, exposed drain pad). Pin 1 = Gate, Pin 2 = Source, Pin 3 = Source, Pin 4 = Source, Pin 5 = Drain (exposed pad), Pin 6 = Drain, Pin 7 = Drain, Pin 8 = Drain - all drain pins internally connected to the bottom thermal pad.

Pin/Terminal	Circuit Role	Design Meaning
Pin 1	Gate	Control terminal; accepts 3.3V/5V logic-level drive; threshold 1.2–2.2V
Pins 2,3,4	Source	Power return path; multiple pins reduce source inductance in high-dI/dt switching
Pins 5–8 + Exposed Pad	Drain	Main power output node; all pins tied to large copper area for thermal conduction and current sharing

Key Features

Feature	Design Value
Ultra-low R_DS(on) at 4.5V	Enables use with 5V gate drivers in high-current POLs without external level-shifting
100% UIS tested	Guarantees robustness under unclamped inductive switching stress in synchronous buck high-side operation
Low Q_gd/Q_g ratio	Improves Miller immunity and reduces risk of false turn-on during high dV/dt transitions
RoHS & halogen-free	Meets environmental compliance requirements for industrial and computing end equipment

Applications

Server VRMs	Telecom Isolated DC/DC
Use Scenario: High-density 48V-to-12V or 12V-to-1V point-of-load regulation in dual-processor servers. IC Role / Device Role / Timing Role: Synchronous rectifier in multiphase buck converter; operates at 300–600kHz with 5V gate drive. Use Value: <7mΩ R_DS(on) at 10V and <9mΩ at 4.5V directly lowers conduction loss in high-current phases, improving full-load efficiency by ≥0.5% vs. legacy MOSFETs.	Use Scenario: Secondary-side synchronous rectification in 48V input isolated flyback or forward converters for telecom base stations. IC Role / Device Role / Timing Role: Low-side switch in self-driven or controller-driven synchronous rectifier stage. Use Value: 12.6ns t_rr and 15.2nC Q_rr minimize reverse recovery loss and EMI, enabling stable operation up to 300kHz without snubbers.
GPU Power Delivery	Industrial PLC Power Modules
Use Scenario: Multi-phase core voltage regulation for high-end graphics processing units requiring transient response under 100A load steps. IC Role / Device Role / Timing Role: High-current, low-R_DS(on) power FET in 30A+ per-phase buck stages. Use Value: 32A I_D rating and 5°C/W R_θJC allow sustained high-current operation with minimal thermal derating on standard 2oz FR-4 PCBs.	Use Scenario: Input-stage DC/DC conversion in programmable logic controller power supplies operating in extended temperature environments. IC Role / Device Role / Timing Role: Primary-side switch in non-isolated buck pre-regulator feeding isolated 5V/3.3V rails. Use Value: 150°C max junction temperature and -55°C to 150°C storage range support reliable operation in industrial ambient conditions up to 85°C case temperature.

Server VRMs

Telecom Isolated DC/DC

Use Scenario: High-density 48V-to-12V or 12V-to-1V point-of-load regulation in dual-processor servers.

IC Role / Device Role / Timing Role: Synchronous rectifier in multiphase buck converter; operates at 300–600kHz with 5V gate drive.

Use Value: <7mΩ R_DS(on) at 10V and <9mΩ at 4.5V directly lowers conduction loss in high-current phases, improving full-load efficiency by ≥0.5% vs. legacy MOSFETs.

Use Scenario: Secondary-side synchronous rectification in 48V input isolated flyback or forward converters for telecom base stations.

IC Role / Device Role / Timing Role: Low-side switch in self-driven or controller-driven synchronous rectifier stage.

Use Value: 12.6ns t_rr and 15.2nC Q_rr minimize reverse recovery loss and EMI, enabling stable operation up to 300kHz without snubbers.

GPU Power Delivery

Industrial PLC Power Modules

Use Scenario: Multi-phase core voltage regulation for high-end graphics processing units requiring transient response under 100A load steps.

IC Role / Device Role / Timing Role: High-current, low-R_DS(on) power FET in 30A+ per-phase buck stages.

Use Value: 32A I_D rating and 5°C/W R_θJC allow sustained high-current operation with minimal thermal derating on standard 2oz FR-4 PCBs.

Use Scenario: Input-stage DC/DC conversion in programmable logic controller power supplies operating in extended temperature environments.

IC Role / Device Role / Timing Role: Primary-side switch in non-isolated buck pre-regulator feeding isolated 5V/3.3V rails.

Use Value: 150°C max junction temperature and -55°C to 150°C storage range support reliable operation in industrial ambient conditions up to 85°C case temperature.

Equivalent & Alternatives

The following parts are listed as comparable options for similar N-channel MOSFET applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
Infineon BSC014N04LS	R_DS(on) = 1.4mΩ @ 10V (lower), but larger PG-TSDSON-8 package (5×6mm same footprint, different pinout)	Higher current density; requires layout review for gate loop inductance due to different pin arrangement	Prefer when lowest possible R_DS(on) is critical and board layout allows rework
Vishay SiR872DP	R_DS(on) = 7.2mΩ @ 10V (similar), Q_g = 36nC (higher), R_θJC = 4.5°C/W (slightly better)	Slightly higher switching loss; identical DFN5x6 mechanical fit but different thermal pad solder mask definition	Prefer when thermal margin is constrained and gate drive strength permits higher Q_g

Compared with BSC014N04LS and SiR872DP, the AON6526 offers balanced conduction-switching trade-off with verified UIS ruggedness and tighter gate threshold distribution-making it especially suitable for cost-sensitive, high-volume server and telecom POL designs where reliability under transient stress is prioritized.

Availability

AON6526 is available at Aetrix Electronics and suitable for server VRMs, telecom isolated DC/DC converters, and industrial PLC power modules requiring stable component supply, long-term lifecycle assurance, and RoHS-compliant sourcing.

Supply support for AON6526 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 AON6526 belongs to the αMOS LV (Low Voltage) trench MOSFET product line, engineered specifically for high-efficiency, high-current DC/DC conversion in space-constrained, thermally demanding applications such as CPU/GPU VRMs and telecom power systems.

FAQ

What is the maximum continuous drain current rating for the AON6526 at 100°C case temperature?

The AON6526 supports 24A continuous drain current at T_C=100°C, as specified in the Absolute Maximum Ratings table. This derating reflects thermal limits of the DFN5x6 package and ensures safe operation within the 150°C maximum junction temperature. Designers must verify PCB copper area and airflow to sustain this current in real-world AON6526 implementations.

Does the AON6526 support logic-level gate drive, and what is its gate threshold voltage range?

Yes, the AON6526 supports logic-level gate drive with a guaranteed V_GS(th) range of 1.2V to 2.2V at T_J=25°C, and 1.2V to 2.2V at T_J=125°C. This allows reliable turn-on using standard 3.3V or 5V controllers without gate boosting. The AON6526 maintains <9mΩ R_DS(on) at V_GS=4.5V, confirming strong enhancement-mode behavior across temperature.

Is the AON6526 suitable for synchronous rectification in isolated DC/DC converters?

Yes, the AON6526 is explicitly recommended for synchronous rectification in isolated DC/DC converters, including telecom flyback and forward topologies. Its fast body diode (t_rr=12.6ns, Q_rr=15.2nC), low R_DS(on), and 100% UIS testing make it well-suited for secondary-side switching where reverse recovery loss and ruggedness are critical. The AON6526 data sheet cites "Isolated DC/DC Converters in Telecom and Industrial" as a primary application.

What thermal resistance values apply to the AON6526, and how are they measured?

The AON6526 has R_θJC=5°C/W (junction-to-case) and R_θJA=53°C/W (junction-to-ambient). R_θJC is measured with the device mounted to a large heatsink; R_θJA is measured on a 1in² FR-4 board with 2oz copper in still air. These values define thermal limits for both heatsink-assisted and PCB-only cooling. For accurate AON6526 thermal modeling, use R_θJC when the exposed drain pad is soldered to a thermal plane.

Are there any special PCB layout considerations for the AON6526 DFN5x6 package?

Yes - the AON6526 DFN5x6 requires proper thermal pad soldering: a grid of 9–12 vias (0.3mm diameter) under the exposed drain pad, connected to inner-layer ground or power planes. Gate and source traces must be short and wide to minimize inductance, especially given the multi-source-pin configuration. Avoid floating thermal pads; the AON6526 datasheet specifies that insufficient thermal relief causes premature thermal shutdown or parametric shift in high-current AON6526 operation.

AON6526 Specifications

Product attributes: Attribute value

Manufacturer:: Alpha & Omega Semiconductor Inc.

Series:: -

Package/Case:: 8-PowerSMD, Flat Leads

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:: 24A (Ta), 32A (Tc)

Drive Voltage (Max Rds On, Min Rds On):: 4.5V, 10V

Rds On (Max) @ Id, Vgs:: 7mOhm @ 20A, 10V

Vgs(th) (Max) @ Id:: 2.2V @ 250µA

Gate Charge (Qg) (Max) @ Vgs:: 33 nC @ 10 V

Vgs (Max):: ±20V

Input Capacitance (Ciss) (Max) @ Vds:: 1229 pF @ 15 V

FET Feature:: -

Power Dissipation (Max):: 6W (Ta), 25W (Tc)

Operating Temperature:: -55°C ~ 150°C (TJ)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 8-DFN (5x6)

AON6526 FAQ

1.How can I place an order for AON6526 through Aetrix?

Please submit a Request for Quotation (RFQ) for AON6526 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 AON6526 reliable?

The price and inventory of AON6526 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AON6526 is usually 5 days.

3.What payment methods are accepted for AON6526?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AON6526 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for AON6526?

AON6526 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your AON6526 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 AON6526?

For technical support, including AON6526 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AON6526 requirements.

6.How does Aetrix verify that AON6526 is sourced from the original manufacturer or authorized distributors?

All AON6526 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 AON6526 meets industry standards.

7.What is the process for return or replacement of AON6526?

All AON6526 units undergo pre-shipment inspection (PSI). If there is an issue with AON6526, 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 AON6526 part is unused and in its original packaging.

Return procedure for AON6526:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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