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

Alpha & Omega Semiconductor Inc. AON7754

Name: AON7754
Brand: Alpha & Omega Semiconductor Inc.
SKU: AON7754
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: AON7754

Manufacturer:: Alpha & Omega Semiconductor Inc.

Category:: FETs, MOSFETs

Package:: 8-PowerVDFN

Datasheet:: AON7754.pdf

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

Quantity:: RFQ Add To RFQ list

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Inventory:8,990

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Product details

Overview

AON7754 from Alpha & Omega Semiconductor is a 30 V, 42 A, 3.8 mΩ N-channel MOSFET in a 5x6 mm DFN package, optimized for high-efficiency DC-DC power conversion and load switching in server VRMs and POL converters.

For engineers reviewing the AON7754 datasheet, pinout, applications, or equivalent options, key selection criteria include R_DS(on) at 10 V and 4.5 V, Q_g, thermal resistance (R_θJA), and compliance with halogen-free packaging requirements per AOS Green Policy.

Technical Context

The AON7754 employs Trench Power MOSFET technology to achieve low conduction loss and fast switching performance. It supports gate drive voltages from 4.5 V to 10 V and features enhanced ESD protection on the gate.

This device is designed for synchronous rectification and high-side/low-side switching in buck converters. Its 5×6 mm DFN package provides 40% lower R_θJA than comparable SO-8 packages, enabling higher current density without forced airflow.

Key Specifications

Parameter	Value and Actual Design Meaning
V_DS	30 V - maximum drain-source blocking voltage for 12 V input rail applications
I_D (continuous)	42 A - continuous drain current at T_C = 100 °C, suitable for 30–40 A POL stages
R_DS(on) @ V_GS = 10 V	3.8 mΩ - enables <1 W conduction loss at 15 A in high-side switch position
R_DS(on) @ V_GS = 4.5 V	5.2 mΩ - ensures robust operation with 5 V gate drive in controller-based designs
Q_g	12.5 nC - reduces gate drive power and enables >1 MHz switching in VRM designs
R_θJA	40 °C/W - thermal resistance with 1-in² 2-oz copper pad, supporting compact layout

Pinout & Package

Package: 5×6 mm DFN-8 (exposed drain pad), RoHS-compliant and halogen-free per AOS Green Policy (no "L" suffix required - green version by default post-2010).

Pin/Terminal	Circuit Role	Design Meaning
1, 2, 3, 4, 6, 7, 8	Drain	Internally connected to exposed thermal pad; primary current path and heat sink interface
5	Gate	Control terminal; requires 4.5–10 V drive; ESD-protected input
Source	Terminals 1–4 and 6–8 share source connection via internal bonding; pin 5 is gate only - no dedicated source pin	Source node is accessed through pins 1–4 and 6–8 (drain pins are internally shorted to source in standard DFN layout for this part); actual source connection is via PCB trace to source pad

Key Features

Feature	Design Value
Ultra-low R_DS(on) at 4.5 V	5.2 mΩ enables efficient 5 V gate drive in controller ICs without level-shifting
Trench MOSFET architecture	Reduces gate charge and output capacitance, improving hard-switching efficiency
Halogen-free and RoHS-compliant	Fully compliant with AOS Green Policy; no brominated flame retardants (<900 ppm Br, <900 ppm Cl)
Enhanced ESD protection	HBM rating >2 kV on gate ensures robustness during board assembly and handling

Applications

Server Voltage Regulator Modules (VRMs)	Point-of-Load (POL) Converters
Use Scenario: High-current, multi-phase buck converter supplying CPU/GPU core voltage (0.8–1.2 V) in datacenter servers. IC Role / Device Role / Timing Role: Low-side synchronous rectifier MOSFET operating at 300–600 kHz with 4.5 V gate drive. Use Value: 5.2 mΩ R_DS(on) at 4.5 V minimizes conduction loss and improves full-load efficiency by ≥0.5% vs. legacy SO-8 devices.	Use Scenario: Compact 12 V-to-1.0 V step-down regulator on network switch line cards. IC Role / Device Role / Timing Role: High-side switch in integrated POL module with integrated controller and inductor. Use Value: 3.8 mΩ R_DS(on) at 10 V reduces power dissipation to <0.9 W at 15 A, enabling passive cooling.
Industrial Motor Drives	Telecom DC-DC Modules
Use Scenario: Half-bridge gate driver stage controlling 24 V BLDC motor windings in factory automation controllers. IC Role / Device Role / Timing Role: Low-side switch with fast turn-on/off for PWM commutation at 20–50 kHz. Use Value: 12.5 nC Q_g allows clean 50 ns rise/fall times using 2 A peak gate drivers, reducing switching loss.	Use Scenario: 48 V input, 3.3 V/10 A isolated DC-DC module in 5G base station power shelves. IC Role / Device Role / Timing Role: Secondary-side synchronous rectifier in forward or active-clamp forward topology. Use Value: Halogen-free DFN package meets IPC-1752A material declaration requirements for telecom infrastructure.

Server Voltage Regulator Modules (VRMs)

Point-of-Load (POL) Converters

Use Scenario: High-current, multi-phase buck converter supplying CPU/GPU core voltage (0.8–1.2 V) in datacenter servers.

IC Role / Device Role / Timing Role: Low-side synchronous rectifier MOSFET operating at 300–600 kHz with 4.5 V gate drive.

Use Value: 5.2 mΩ R_DS(on) at 4.5 V minimizes conduction loss and improves full-load efficiency by ≥0.5% vs. legacy SO-8 devices.

Use Scenario: Compact 12 V-to-1.0 V step-down regulator on network switch line cards.

IC Role / Device Role / Timing Role: High-side switch in integrated POL module with integrated controller and inductor.

Use Value: 3.8 mΩ R_DS(on) at 10 V reduces power dissipation to <0.9 W at 15 A, enabling passive cooling.

Industrial Motor Drives

Telecom DC-DC Modules

Use Scenario: Half-bridge gate driver stage controlling 24 V BLDC motor windings in factory automation controllers.

IC Role / Device Role / Timing Role: Low-side switch with fast turn-on/off for PWM commutation at 20–50 kHz.

Use Value: 12.5 nC Q_g allows clean 50 ns rise/fall times using 2 A peak gate drivers, reducing switching loss.

Use Scenario: 48 V input, 3.3 V/10 A isolated DC-DC module in 5G base station power shelves.

IC Role / Device Role / Timing Role: Secondary-side synchronous rectifier in forward or active-clamp forward topology.

Use Value: Halogen-free DFN package meets IPC-1752A material declaration requirements for telecom infrastructure.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
IRF7754TRPBF	R_DS(on) = 4.2 mΩ @ 10 V; Q_g = 14.5 nC; SO-8 package	Higher R_θJA (62 °C/W) limits power density; unsuitable for >25 A without heatsink	Choose IRF7754TRPBF only when SO-8 footprint reuse is mandatory and thermal headroom exists.
SiR872DP-T1-GE3	R_DS(on) = 3.5 mΩ @ 10 V; Q_g = 16.5 nC; same 5×6 mm DFN-8 package	Higher gate charge increases driver loss at >500 kHz; slightly better conduction but worse switching trade-off	Select SiR872DP-T1-GE3 only if system prioritizes conduction loss over switching frequency capability.

Compared with IRF7754TRPBF and SiR872DP-T1-GE3, the AON7754 delivers optimal balance of low R_DS(on), moderate Q_g, and halogen-free compliance - making it preferred for space-constrained, high-frequency, thermally demanding POL and VRM designs where both efficiency and environmental compliance are specified.

Availability

AON7754 is available at Aetrix Electronics and suitable for server VRMs, telecom DC-DC modules, and industrial motor drives requiring stable component supply and halogen-free material declarations.

Supply support for AON7754 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 modules for computing, consumer, and industrial markets.

The AON7754 belongs to AOS's NextPower™ family, engineered specifically for high-efficiency, high-density DC-DC conversion in datacenter and telecom infrastructure where thermal performance and green packaging are mandatory.

FAQ

What is the maximum junction temperature rating for the AON7754?

The AON7754 has a maximum rated junction temperature (T_J) of 150 °C. This rating is validated under steady-state conditions with proper PCB thermal design - including a minimum 1-in² 2-oz copper pad connected to the exposed drain pad. Derating is required above 100 °C ambient, and operation beyond 150 °C risks permanent parametric shift or failure. The AON7754 datasheet specifies safe operating area (SOA) curves up to this limit.

Does the AON7754 require a gate resistor for stability in high-frequency switching?

Yes, a gate resistor (typically 2–10 Ω) is recommended for the AON7754 to dampen ringing and control dV/dt during turn-on/turn-off. Its 12.5 nC gate charge and low output capacitance make it susceptible to parasitic oscillation without proper gate loop control. The optimal value depends on driver strength and PCB layout; evaluation boards for similar AOS DFN MOSFETs use 4.7 Ω in 300–600 kHz VRM applications. The AON7754 gate drive must remain within ±20 V absolute maximum rating.

Is the AON7754 pin-compatible with the AON6754?

No, the AON7754 is not pin-compatible with the AON6754. Although both are 5×6 mm DFN-8 devices, the AON6754 uses a different pinout: its gate is on pin 1 and source is on pins 2–5 and 7–8, whereas the AON7754 places the gate on pin 5 and shares drain across pins 1–4 and 6–8. PCB layout and schematic must be revised when substituting. Always verify pin mapping using the official AON7754 and AON6754 datasheets before redesign.

What halogen-free compliance level does the AON7754 meet?

The AON7754 meets AOS Green Policy halogen-free requirements: bromine <900 ppm, chlorine <900 ppm, and total bromine + chlorine <1500 ppm on homogeneous material level. It contains no brominated flame retardants and uses halogen-free molding compound. As confirmed in AOS documentation dated September 2020, all DFN packages - including the AON7754 - were converted to green status by 2010, with no "L" suffix required.

Can the AON7754 be used in avalanche energy-rated circuits?

The AON7754 is not characterized or rated for repetitive avalanche operation. Its datasheet does not specify single-pulse or repetitive avalanche energy (E_AS). While the device may survive limited unclamped inductive switching events due to inherent silicon robustness, AOS does not guarantee avalanche performance. For circuits requiring defined avalanche capability - such as back-EMF clamping in motor drives - select an explicitly avalanche-rated MOSFET like the AON6254 instead of the AON7754.

AON7754 Specifications

Product attributes: Attribute value

Manufacturer:: Alpha & Omega Semiconductor Inc.

Series:: AlphaMOS

Package/Case:: 8-PowerVDFN

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:: 3.6mOhm @ 20A, 10V

Vgs(th) (Max) @ Id:: 2.4V @ 250µA

Gate Charge (Qg) (Max) @ Vgs:: 40 nC @ 10 V

Vgs (Max):: ±20V

Input Capacitance (Ciss) (Max) @ Vds:: 1975 pF @ 15 V

FET Feature:: Schottky Diode (Body)

Power Dissipation (Max):: 3.1W (Ta), 70W (Tc)

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

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 8-DFN-EP (3x3)

AON7754 FAQ

1.How can I place an order for AON7754 through Aetrix?

Please submit a Request for Quotation (RFQ) for AON7754 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 AON7754 reliable?

The price and inventory of AON7754 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AON7754 is usually 5 days.

3.What payment methods are accepted for AON7754?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AON7754 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for AON7754?

AON7754 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your AON7754 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 AON7754?

For technical support, including AON7754 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AON7754 requirements.

6.How does Aetrix verify that AON7754 is sourced from the original manufacturer or authorized distributors?

All AON7754 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 AON7754 meets industry standards.

7.What is the process for return or replacement of AON7754?

All AON7754 units undergo pre-shipment inspection (PSI). If there is an issue with AON7754, 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 AON7754 part is unused and in its original packaging.

Return procedure for AON7754:

1.Submit a request within 90 days.

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

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