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

Alpha & Omega Semiconductor Inc. AON6754

Name: AON6754
Brand: Alpha & Omega Semiconductor Inc.
SKU: AON6754
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: AON6754

Manufacturer:: Alpha & Omega Semiconductor Inc.

Category:: FETs, MOSFETs

Package:: 8-PowerSMD, Flat Leads

Datasheet:: AON6754.pdf

Description:: MOSFET N-CH 30V 52A/85A 8DFN

Quantity:: RFQ Add To RFQ list

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Inventory:8,750

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Product details

Overview

AON6754 from Alpha & Omega Semiconductor is a 30V N-Channel Trench Power AlphaMOS (αMOS LV) discrete MOSFET optimized for high-efficiency DC/DC conversion, featuring <1.8mΩ R_DS(on) at V_GS=10V, 85A continuous drain current, integrated Schottky body diode (SRFET), and low 0.7–2.3Ω gate resistance. It serves as a primary synchronous rectifier or high-side switch in computing and telecom POL converters.

For engineers reviewing the AON6754 datasheet, pinout, applications, or equivalent options, key selection criteria include its 4.5V-gate-compatible on-resistance (<3.3mΩ), 100% UIS-tested ruggedness, 20ns body-diode reverse recovery time, and DFN5x6 package thermal performance under high-current transient loads.

Technical Context

The AON6754 implements Alpha & Omega's latest αMOS LV trench technology to achieve ultra-low conduction loss while maintaining fast switching dynamics. Its integrated Schottky-replacement body diode enables soft recovery with 40nC Q_rr and 20ns t_rr, reducing EMI and voltage spikes in hard-switched topologies.

Designed for unclamped inductive switching (UIS) reliability, the device supports 106A pulsed drain current and 329W power dissipation at T_C=25°C, with junction-to-case thermal resistance of 1.5°C/W enabling direct heatsink mounting in high-density power stages.

Key Specifications

Parameter	Value and Actual Design Meaning
V_DS	30V - Maximum blocking voltage compatible with 24V input rails and 12V intermediate bus systems.
R_DS(on) @ V_GS=10V	<1.8mΩ - Enables ≤1.5W conduction loss at 85A, critical for >95% efficiency in server VRMs.
R_DS(on) @ V_GS=4.5V	<3.3mΩ - Ensures robust operation with 5V gate drivers in low-voltage POL converters.
Q_g(10V)	46.8–64nC - Low gate charge reduces driver power and enables 1MHz+ switching in multiphase buck stages.
t_rr	20ns - Fast body-diode recovery minimizes shoot-through risk and output voltage overshoot in synchronous rectification.
P_D @ T_C=25°C	329W - High power handling supports compact thermal design when mounted to external heatsink.
I_D Continuous	85A - Package-limited current rating suitable for high-current CPU/GPU VRMs and GPU power delivery.

Pinout & Package

Package: DFN5x6 (5.0mm × 6.0mm, 1.0mm height), exposed drain pad for thermal and electrical connection, RoHS and halogen-free compliant.

Pin/Terminal	Circuit Role	Design Meaning
1, 2, 3, 4, 5, 6, 7, 8 (Drain Pad)	Drain (D)	Large-area copper-exposed bottom pad - primary thermal path and high-current drain connection; must be soldered to PCB thermal plane.
Pin 1 (Top View Label)	Gate (G)	Control terminal - accepts 0–20V gate drive; low 0.7–2.3Ω R_g ensures fast turn-on/off with minimal ringing.
Pin 2 (Top View)	Source (S)	Reference node for gate drive and current sensing - tied to power ground in synchronous buck high-side configuration.

Key Features

Feature	Design Value
Integrated Schottky Diode (SRFET)	Eliminates external freewheeling diode in synchronous rectifiers, reducing BOM count and board area while improving light-load efficiency.
100% UIS Tested	Guarantees ruggedness against voltage transients during unclamped inductive switching-critical for reliable operation in POL converters with high dI/dt.
Low Q_gd/Q_g Ratio	8.6nC / 46.8nC ≈ 0.18 - Reduces Miller effect, enabling stable high-speed switching without gate oscillation in high-side configurations.
Thermal Resistance R_θJC	1.5°C/W - Allows direct thermal coupling to heatsink, supporting >200W/cm² power density in compact VRM designs.
RoHS & Halogen-Free	Complies with IPC-1752A material declaration requirements for industrial and computing end equipment.

Applications

Server Voltage Regulator Modules (VRMs)	Telecom Isolated DC/DC Converters
Use Scenario: High-current, multi-phase buck converter supplying CPU/GPU core voltage (0.8–1.2V) from 12V input bus. IC Role / Device Role / Timing Role: Synchronous rectifier (low-side switch) operating at 300–1000kHz with precise dead-time control. Use Value: <1.8mΩ R_DS(on) cuts conduction loss by ≥35% vs. legacy 3.5mΩ MOSFETs, directly improving full-load efficiency and reducing thermal stress on VRM PCB.	Use Scenario: Secondary-side synchronous rectification in isolated 48V-to-12V telecom DC/DC modules with tight space constraints. IC Role / Device Role / Timing Role: High-efficiency rectifier replacing Schottky diodes in forward or LLC resonant converters. Use Value: Integrated SRFET diode eliminates discrete diode footprint and thermal interface, while 20ns t_rr prevents cross-conduction losses during zero-voltage switching transitions.
Computing Point-of-Load (POL) Converters	Industrial Motor Drive Gate Drivers
Use Scenario: Compact 5V-to-1.8V POL regulator powering FPGAs or ASICs on embedded compute cards. IC Role / Device Role / Timing Role: High-side switch in monolithic or controller-based buck stage, driven by 5V logic-level gate driver. Use Value: <3.3mΩ R_DS(on) at V_GS=4.5V ensures stable on-state performance without level-shifting, simplifying driver design and reducing component count.	Use Scenario: Half-bridge high-side switch in 24V industrial BLDC motor gate driver IC reference designs. IC Role / Device Role / Timing Role: Robust power switch handling repetitive inductive kickback during PWM commutation. Use Value: 100% UIS testing and 106A I_DM rating ensure survival under worst-case motor stall or short-circuit conditions without derating.

Server Voltage Regulator Modules (VRMs)

Telecom Isolated DC/DC Converters

Use Scenario: High-current, multi-phase buck converter supplying CPU/GPU core voltage (0.8–1.2V) from 12V input bus.

IC Role / Device Role / Timing Role: Synchronous rectifier (low-side switch) operating at 300–1000kHz with precise dead-time control.

Use Value: <1.8mΩ R_DS(on) cuts conduction loss by ≥35% vs. legacy 3.5mΩ MOSFETs, directly improving full-load efficiency and reducing thermal stress on VRM PCB.

Use Scenario: Secondary-side synchronous rectification in isolated 48V-to-12V telecom DC/DC modules with tight space constraints.

IC Role / Device Role / Timing Role: High-efficiency rectifier replacing Schottky diodes in forward or LLC resonant converters.

Use Value: Integrated SRFET diode eliminates discrete diode footprint and thermal interface, while 20ns t_rr prevents cross-conduction losses during zero-voltage switching transitions.

Computing Point-of-Load (POL) Converters

Industrial Motor Drive Gate Drivers

Use Scenario: Compact 5V-to-1.8V POL regulator powering FPGAs or ASICs on embedded compute cards.

IC Role / Device Role / Timing Role: High-side switch in monolithic or controller-based buck stage, driven by 5V logic-level gate driver.

Use Value: <3.3mΩ R_DS(on) at V_GS=4.5V ensures stable on-state performance without level-shifting, simplifying driver design and reducing component count.

Use Scenario: Half-bridge high-side switch in 24V industrial BLDC motor gate driver IC reference designs.

IC Role / Device Role / Timing Role: Robust power switch handling repetitive inductive kickback during PWM commutation.

Use Value: 100% UIS testing and 106A I_DM rating ensure survival under worst-case motor stall or short-circuit conditions without derating.

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 IPP020N04L	40V V_DS, 1.95mΩ R_DS(on) @ 10V, TO-252 package, higher R_θJA (60°C/W)	Larger footprint and lower thermal performance limit usable current density in space-constrained POL designs.	Prefer when 40V rating is required for wider input range; avoid if DFN5x6 board space or <2.0mΩ target is mandatory.
Vishay SiR626DP	30V V_DS, 2.1mΩ R_DS(on) @ 10V, same DFN5x6 package, no integrated Schottky diode	Lacks SRFET functionality - requires external diode for synchronous rectification, increasing layout complexity and losses.	Select when cost sensitivity outweighs body-diode integration benefit; verify external diode placement and thermal coupling.

Compared with IPP020N04L and SiR626DP, the AON6754 delivers superior thermal performance (1.5°C/W R_θJC) and integrated SRFET functionality in the same DFN5x6 footprint, making it optimal for high-density, high-efficiency synchronous rectification where board area and diode replacement are critical constraints.

Availability

AON6754 is available at Aetrix Electronics and suitable for server VRMs, telecom DC/DC converters, and computing point-of-load (POL) regulators requiring stable component supply, consistent parametric performance across production lots, and long-term lifecycle support.

Supply support for AON6754 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 AON6754 belongs to AOS's AlphaMOS LV (Low Voltage) product line, engineered specifically for high-current, high-frequency DC/DC conversion in datacenter and telecom infrastructure where ultra-low R_DS(on), fast switching, and thermal efficiency are paramount.

FAQ

What is the maximum continuous drain current rating for the AON6754?

The AON6754 has a maximum continuous drain current (I_D) of 85A at T_C=25°C, limited by package thermal capacity. At T_C=100°C, this rating drops to 33A per the current de-rating curve. This value assumes proper PCB copper area and thermal vias under the exposed drain pad to maintain case temperature.

Does the AON6754 include an integrated body diode, and how does it differ from standard MOSFETs?

Yes, the AON6754 features an integrated Schottky-replacement body diode branded SRFET™, offering soft recovery with 20ns t_rr and 40nC Q_rr. Unlike conventional MOSFET body diodes, the SRFET structure minimizes reverse recovery losses and voltage overshoot in synchronous rectification, making the AON6754 especially effective in high-frequency DC/DC converters.

What gate drive voltage is required to fully enhance the AON6754?

The AON6754 achieves its specified <1.8mΩ R_DS(on) with V_GS=10V, but remains fully enhanced down to V_GS=4.5V (<3.3mΩ). Its gate threshold voltage (V_GS(th)) ranges from 1.4V to 2.4V, allowing compatibility with 3.3V and 5V logic-level drivers in POL applications without level shifting.

Is the AON6754 suitable for unclamped inductive switching (UIS) applications?

Yes, the AON6754 is 100% UIS tested per JEDEC JESD22-A109, rated for 100mJ avalanche energy (E_AS) with L=0.05mH. This ruggedness makes it appropriate for motor drive half-bridges and flyback snubberless designs where inductive energy must be safely absorbed within the MOSFET.

What is the thermal resistance from junction to case (R_θJC) for the AON6754, and how should it be used in thermal design?

The AON6754 has a typical R_θJC of 1.5°C/W, measured from junction to the exposed drain pad surface. In thermal design, this value is used to calculate junction temperature rise above case temperature (T_J = T_C + P_D × R_θJC). For accurate results, ensure the drain pad is soldered to a large copper area with ≥6 thermal vias to internal ground planes.

AON6754 Specifications

Product attributes: Attribute value

Manufacturer:: Alpha & Omega Semiconductor Inc.

Series:: AlphaMOS

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:: 52A (Ta), 85A (Tc)

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

Rds On (Max) @ Id, Vgs:: 1.8mOhm @ 20A, 10V

Vgs(th) (Max) @ Id:: 2.4V @ 250µA

Gate Charge (Qg) (Max) @ Vgs:: 64 nC @ 10 V

Vgs (Max):: ±20V

Input Capacitance (Ciss) (Max) @ Vds:: 2796 pF @ 15 V

FET Feature:: Schottky Diode (Body)

Power Dissipation (Max):: 7.3W (Ta), 83W (Tc)

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

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

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

AON6754 FAQ

1.How can I place an order for AON6754 through Aetrix?

Please submit a Request for Quotation (RFQ) for AON6754 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 AON6754 reliable?

The price and inventory of AON6754 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AON6754 is usually 5 days.

3.What payment methods are accepted for AON6754?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AON6754 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for AON6754?

AON6754 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your AON6754 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 AON6754?

For technical support, including AON6754 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AON6754 requirements.

6.How does Aetrix verify that AON6754 is sourced from the original manufacturer or authorized distributors?

All AON6754 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 AON6754 meets industry standards.

7.What is the process for return or replacement of AON6754?

All AON6754 units undergo pre-shipment inspection (PSI). If there is an issue with AON6754, 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 AON6754 part is unused and in its original packaging.

Return procedure for AON6754:

1.Submit a request within 90 days.

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

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