My Inquiry
My Account
Alpha & Omega Semiconductor Inc. AOD32334C
- Part No.:
- AOD32334C
- Manufacturer:
- Alpha & Omega Semiconductor Inc.
- Category:
- FETs, MOSFETs
- Package:
- TO-252-3, DPAK (2 Leads + Tab), SC-63
- Datasheet:
-
AOD32334C.pdf
- Description:
- N
- Quantity:
- Payment:
- Shipping:
Inventory:8,792
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
AOD32334C from Alpha & Omega Semiconductor is a 30V, 12A N-channel Trench Power MOSFET in TO-252 (DPAK) package, featuring RDS(ON) < 20 mΩ at VGS = 10 V and < 26 mΩ at VGS = 4.5 V, low gate charge (Qg = 12–20 nC), and 100% UIS-tested ruggedness-ideal for high-efficiency load switching in DC-DC converters and power management modules.
For engineers reviewing the AOD32334C datasheet, pinout, applications, or equivalent options, key selection criteria include its 30V VDS rating, 12A continuous drain current at TC = 100°C, thermal resistance RθJC = 7°C/W, avalanche energy rating (EAS = 11 mJ), and RoHS/halogen-free compliance for industrial and automotive-grade power designs.
Technical Context
The AOD32334C employs Trench Power MOSFET technology to achieve low on-resistance and fast switching with Qg(10V) = 12–20 nC and Qgd = 2.5 nC. Its gate threshold voltage (VGS(th)) ranges from 1.3 V to 2.3 V, enabling robust 4.5 V logic-level drive compatibility while maintaining low leakage (IGSS ≤ ±10 μA).
Thermally, it delivers 30 W power dissipation at TC = 25°C (RθJC = 7°C/W), de-rates linearly to 18 W at TC = 100°C, and supports safe operating area (SOA) up to 12 A at VDS = 10 V in DC mode-validated by 100% Rg and unclamped inductive switching (UIS) testing per JEDEC standards.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VDS | 30 V - Maximum drain-source blocking voltage; suitable for 24 V nominal bus systems with margin. |
| ID (TC = 100°C) | 12 A - Continuous drain current at case temperature 100°C; defines usable current in thermally constrained PCB layouts. |
| RDS(ON) (VGS = 10 V) | < 20 mΩ - On-resistance at full gate drive; determines conduction loss in high-current paths (e.g., 2.88 W at 12 A). |
| RDS(ON) (VGS = 4.5 V) | < 26 mΩ - On-resistance at logic-level gate drive; enables direct interface with 3.3 V/5 V microcontrollers without level-shifting. |
| Qg(10V) | 12–20 nC - Total gate charge; directly impacts switching loss and driver sizing in PWM applications above 100 kHz. |
| EAS | 11 mJ - Single-pulse avalanche energy; ensures reliability under transient overvoltage conditions like inductive kickback. |
| RθJC | 7°C/W - Junction-to-case thermal resistance; enables accurate heatsink sizing when mounted to metal-core PCB or external heatsink. |
Pinout & Package
Package: TO-252 (DPAK), surface-mount, single-drain tab design with exposed drain pad for thermal and electrical connection.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| G | Gate | Control terminal; requires <20 nC total charge for full turn-on; sensitive to ESD (integrated protection provided). |
| S | Source | Reference node for gate drive and current return path; tied to system ground or low-side switch common point. |
| D | Drain | High-current output terminal; electrically and thermally connected to exposed copper pad on bottom of TO-252 package. |
Key Features
| Feature | Design Value |
|---|---|
| Trench Power MOSFET architecture | Enables sub-20 mΩ RDS(ON) at 30 V while maintaining fast switching and low gate charge. |
| 100% UIS tested | Guarantees minimum 11 mJ avalanche energy handling-critical for reliability in inductive load switching. |
| 100% Rg tested | Ensures consistent gate resistance (1.2–3.6 Ω), reducing variation in rise/fall times and EMI behavior. |
| RoHS and halogen-free compliant | Meets IPC-1752A material declaration requirements for environmental compliance in industrial and automotive end equipment. |
| Low VGS(th) (1.3–2.3 V) | Supports stable turn-on with 3.3 V logic, eliminating need for gate driver boost stages in space-constrained designs. |
Applications
| DC-DC Converter High-Side Switch | USB-C Power Delivery Load Switch |
|---|---|
Use Scenario: Used as synchronous rectifier or high-side switch in 12 V input, 5–20 V output buck converters for telecom and server PSUs. IC Role / Device Role / Timing Role: Power switching element controlling energy transfer timing via PWM; operates in hard-switched mode at 200–500 kHz. Use Value: Low RDS(ON) reduces conduction loss; low Qg minimizes switching loss-enabling >95% efficiency at 10 A output. |
Use Scenario: Implements overcurrent-protected hot-swap function between USB-C port and system power rail in portable electronics. IC Role / Device Role / Timing Role: Load switch controlled by PMIC enable signal; handles inrush current limiting and fault disconnect within 100 μs. Use Value: 4.5 V drive compatibility allows direct control from USB PD controller; 100% UIS test ensures survival during cable insertion transients. |
| Automotive Body Control Module (BCM) Output Driver | Industrial PLC Digital Output Stage |
Use Scenario: Drives 12 V solenoids, relays, and LED arrays in vehicle door modules and lighting control units. IC Role / Device Role / Timing Role: Low-side or high-side power switch; activated by CAN/LIN interface MCU GPIO with PWM dimming capability. Use Value: 150°C max junction temperature and -55°C min storage rating meet AEC-Q101 ambient requirements; avalanche ruggedness prevents failure during load dump events. |
Use Scenario: Serves as isolated 24 V DC digital output stage driving valves, indicators, and sensors in factory automation I/O modules. IC Role / Device Role / Timing Role: Final power stage interfacing with optocoupled logic; switches loads up to 12 A with programmable slew rate control. Use Value: RθJC = 7°C/W enables direct mounting to aluminum chassis for passive cooling; 100% Rg test ensures predictable turn-off timing across production lots. |
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 |
|---|---|---|---|
| Infineon IPP040N04L | 40 V VDS, 100 A ID, RDS(ON) = 3.2 mΩ @ 10 V - higher current, larger TO-220 package, not pin-compatible. | Targeted at high-power motor drives; unsuitable for space-constrained TO-252 layouts requiring <20 mΩ at 30 V. | Select only if board redesign accommodates TO-220 and system requires >30 A peak current. |
| Vishay SI2302DS | 20 V VDS, 3.2 A ID, RDS(ON) = 45 mΩ @ 4.5 V - lower voltage rating, smaller SOT-23 package, no UIS rating. | Designed for ultra-low-power battery management; lacks avalanche ruggedness and thermal capacity for 12 A continuous operation. | Use only in sub-5 A, <12 V applications where footprint and cost outweigh reliability and thermal performance. |
Compared with IPP040N04L and SI2302DS, the AOD32334C uniquely balances 30 V rating, 12 A current, TO-252 footprint, and certified UIS ruggedness-making it the only option among the three qualified for 24 V industrial load switching with minimal heatsinking and no layout change.
Availability
AOD32334C is available at Aetrix Electronics and suitable for DC-DC converters, USB-C power delivery systems, automotive body control modules, and industrial PLC output stages requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for AOD32334C 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, industrial, and automotive markets.
The AOD32334C belongs to AOS's Trench Power MOSFET product line, engineered specifically for high-efficiency, high-reliability load switching in compact, thermally demanding applications such as power adapters and automotive ECUs.
FAQ
What is the maximum continuous drain current for the AOD32334C at 100°C case temperature?
The AOD32334C supports 12 A continuous drain current at TC = 100°C, as specified in the Absolute Maximum Ratings table. This value is package-limited and validated under steady-state thermal conditions with proper PCB copper area and airflow. The AOD32334C must be mounted on ≥1 in² 2 oz. copper FR-4 to sustain this rating without exceeding 150°C junction temperature.
Does the AOD32334C support logic-level gate drive from a 3.3 V microcontroller?
Yes-the AOD32334C has a gate threshold voltage (VGS(th)) range of 1.3 V to 2.3 V and guaranteed RDS(ON) < 26 mΩ at VGS = 4.5 V, enabling reliable turn-on with 3.3 V logic. However, full enhancement and lowest on-resistance require ≥4.5 V; for optimal efficiency, pairing with a dedicated gate driver is recommended in high-frequency PWM applications involving the AOD32334C.
Is the AOD32334C rated for avalanche energy, and what is the test condition?
Yes-the AOD32334C is 100% unclamped inductive switching (UIS) tested with EAS = 11 mJ at L = 0.1 mH, TJ = 25°C. This rating ensures survivability during inductive load turn-off transients without external snubbers. The AOD32334C's avalanche ruggedness is validated per JEDEC JESD24-11 and documented in the datasheet's Absolute Maximum Ratings section.
What is the thermal resistance from junction to case (RθJC) for the AOD32334C, and how is it measured?
The AOD32334C has RθJC = 7°C/W, measured with the device mounted to a large heatsink under controlled lab conditions (per Note F). This value reflects the intrinsic thermal path from silicon die to the TO-252 drain tab and is used to calculate junction temperature rise when external heatsinking is applied. For PCB-only cooling, RθJA = 50°C/W applies instead, as stated in the Thermal Characteristics table for the AOD32334C.
Are there any special PCB layout recommendations for the AOD32334C to ensure thermal performance?
Yes-AOS recommends using ≥1 in² of 2 oz. copper connected to the TO-252 drain pad for optimal thermal dissipation. The AOD32334C's exposed drain tab must be soldered to a solid copper pour with multiple thermal vias (≥6 × 0.3 mm) to inner or backside ground planes. Keep gate traces short and shielded from drain noise to prevent oscillation; the AOD32334C's low Qgd (2.5 nC) helps but does not eliminate need for careful routing.
AOD32334C Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Alpha & Omega Semiconductor Inc.
- Series:
- -
- Package/Case:
- TO-252-3, DPAK (2 Leads + Tab), SC-63
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- FET Type:
- N-Channel
- Technology:
- MOSFET (Metal Oxide)
- Drain to Source Voltage (Vdss):
- 30 V
- Current - Continuous Drain (Id) @ 25°C:
- 11A (Ta), 12A (Tc)
- Drive Voltage (Max Rds On, Min Rds On):
- 4.5V, 10V
- Rds On (Max) @ Id, Vgs:
- 20mOhm @ 12A, 10V
- Vgs(th) (Max) @ Id:
- 2.3V @ 250µA
- Gate Charge (Qg) (Max) @ Vgs:
- 170 nC @ 10 V
- Vgs (Max):
- ±20V
- Input Capacitance (Ciss) (Max) @ Vds:
- 600 pF @ 15 V
- FET Feature:
- -
- Power Dissipation (Max):
- 4.1W (Ta), 39W (Tc)
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- TO-252 (DPAK)
AOD32334C FAQ
1.How can I place an order for AOD32334C through Aetrix?
Please submit a Request for Quotation (RFQ) for AOD32334C 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 AOD32334C reliable?
The price and inventory of AOD32334C are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AOD32334C is usually 5 days.
3.What payment methods are accepted for AOD32334C?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AOD32334C transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AOD32334C?
AOD32334C orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AOD32334C 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 AOD32334C?
For technical support, including AOD32334C datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AOD32334C requirements.
6.How does Aetrix verify that AOD32334C is sourced from the original manufacturer or authorized distributors?
All AOD32334C 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 AOD32334C meets industry standards.
7.What is the process for return or replacement of AOD32334C?
All AOD32334C units undergo pre-shipment inspection (PSI). If there is an issue with AOD32334C, 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 AOD32334C part is unused and in its original packaging.
Return procedure for AOD32334C:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
AOD32334C Tags
-
BSZ180P03NS3EGATMA1
Infineon Technologies
-
SIRA14DP-T1-GE3
Vishay Siliconix
-
AO4419
Alpha & Omega Semiconductor Inc.
-
SISA14BDN-T1-GE3
Vishay Siliconix
-
PSMN9R5-30YLC,115
Nexperia USA Inc.
-
BUK9Y21-40E,115
Nexperia USA Inc.
-
RTQ035N03HZGTR
Rohm Semiconductor
-
FDMS7680
onsemi
-
RQ3E180BNTB
Rohm Semiconductor
-
STL6N2VH5
STMicroelectronics
-
DMPH4029LFGQ-7
Diodes Incorporated
-
DMT6015LSS-13
Diodes Incorporated
Tech Hub
A practical engineering and sourcing framework covering lifecycle verification, lifetime-buy calculations, replacement qualification, supplier checks and counterfeit-risk controls.
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
