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Diodes Incorporated DMN32D2LDF-7
- Part No.:
- DMN32D2LDF-7
- Manufacturer:
- Diodes Incorporated
- Category:
- FET, MOSFET Arrays
- Package:
- 5-TSSOP, SC-70-5, SOT-353
- Datasheet:
-
DMN32D2LDF-7.pdf
- Description:
- MOSFET 2N-CH 30V 0.4A SOT353
- Quantity:
- Payment:
- Shipping:
Inventory:43,293
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Product details
Overview
DMN32D2LDF-7 from Diodes Incorporated is a common-source dual N-channel enhancement-mode MOSFET in SOT-353 package, rated for 30 V VDSS, 400 mA continuous drain current per channel, and 1.2 V maximum gate threshold voltage. It delivers RDS(on) of 1.2 Ω at VGS = 4.0 V and supports fast switching (ton = 11 ns) in compact load-switching applications.
For engineers reviewing the DMN32D2LDF-7 datasheet, DMN32D2LDF-7 pinout, DMN32D2LDF-7 application, or DMN32D2LDF-7 equivalent, key selection criteria include low-threshold drive compatibility with 1.8 V/2.5 V logic, dual-channel integration for space-constrained power routing, and AEC-Q101 qualification for automotive body electronics.
Technical Context
This dual MOSFET integrates two matched N-channel devices sharing a common source terminal, enabling independent gate control for bidirectional load switching or complementary half-bridge configurations. Its ultra-low VGS(th) (max 1.2 V) ensures full enhancement with standard logic-level outputs.
The device uses a "Green" RoHS-compliant molding compound and matte tin-plated Alloy 42 leads, achieving 446 °C/W junction-to-ambient thermal resistance on FR-4 PCBs with Diodes Inc.'s recommended pad layout. ESD protection is built into each gate structure.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VDSS | 30 V - Supports 24 V rail switching with 20% margin against transients |
| ID (per channel) | 400 mA - Enables driving small solenoids, LEDs, or sensor bias networks |
| VGS(th) max | 1.2 V - Fully enhanced by 1.8 V I/O without level-shifting circuitry |
| RDS(on) | 1.2 Ω @ VGS = 4.0 V - Limits conduction loss to <192 mW at 400 mA |
| Ciss | 39 pF - Reduces gate drive power and enables >10 MHz switching in low-power DC-DC stages |
| ton/toff | 11 ns / 51 ns - Supports high-frequency PWM dimming and fast enable/disable sequencing |
| Tj range | −55 to +150 °C - Qualified for under-hood automotive modules and industrial controls |
Pinout & Package
Package: SOT-353 - 5-pin surface-mount plastic package (2.2 mm × 1.35 mm × 0.95 mm), moisture sensitivity level 1, UL 94V-0 rated.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| G1 | Gate of Channel 1 | Independent control input for first N-MOSFET; accepts logic-level signals down to 1.2 V |
| D1 | Drain of Channel 1 | High-side switch node for load connected between D1 and supply rail |
| S | Common Source | Shared source node for both channels; must be tied to system ground or return path |
| D2 | Drain of Channel 2 | Second independent high-side switch node; electrically isolated from D1 |
| G2 | Gate of Channel 2 | Independent control input for second N-MOSFET; identical threshold and drive requirements as G1 |
Key Features
| Feature | Design Value |
|---|---|
| Common-source dual topology | Enables compact dual-load switching without external source tie; reduces PCB area vs. discrete singles |
| AEC-Q101 qualified | Validated for automotive body electronics including door modules and lighting controllers |
| ESD-protected gates | HBM rating ≥2 kV per channel - eliminates need for external gate protection in assembly |
| Low Ciss/Coss ratio | Ciss/Coss ≈ 3.9 - improves Miller immunity and reduces gate oscillation risk in fast-switching layouts |
| RoHS/Green compliant | No intentionally added lead; halogen-free molding compound meets IEC 61249-2-21 |
Applications
| Automotive Door Module | USB-C Port Power Switching |
|---|---|
Use Scenario: Controlling window lift motor direction and interior light sequencing in compact door ECUs. IC Role / Device Role / Timing Role: Dual high-side switch managing motor H-bridge half-legs and LED current paths. Use Value: Common-source architecture simplifies ground-referenced sensing while 1.2 V VGS(th) allows direct MCU GPIO drive without level shifters. | Use Scenario: Enabling/disabling VBUS power delivery on USB-C receptacles in portable docking stations. IC Role / Device Role / Timing Role: Dual-channel load switch isolating downstream ports during hot-plug events. Use Value: Fast 11 ns turn-on ensures compliance with USB PD specification timing for port power state transitions. |
| Industrial Sensor Bias Network | Smartphone Camera Actuator Driver |
Use Scenario: Providing programmable bias current to MEMS pressure sensors and analog front-end amplifiers. IC Role / Device Role / Timing Role: Precision current source using RDS(on) matching and low leakage (<1 µA IDSS). Use Value: Matched dual channels allow differential biasing; low VGS(th) enables stable operation across battery voltage decay (3.0–4.2 V). | Use Scenario: Driving voice coil motors (VCM) for optical image stabilization in multi-camera smartphones. IC Role / Device Role / Timing Role: High-speed dual switch controlling VCM coil polarity and braking sequence. Use Value: 51 ns toff enables precise coil current ramp-down, minimizing mechanical overshoot and improving OIS settling time. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual N-channel low-threshold MOSFET applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| DMN3026LSD-13 | Single-channel SOT-23; higher RDS(on) (2.5 Ω @ 2.5 V); same VGS(th) spec | Requires two devices and extra PCB area for dual functionality | Select when board layout allows discrete placement and thermal derating is less critical |
| AOB410L | SO-8 package; 30 V/5.8 A rating; 1.5 V VGS(th) max; no AEC-Q101 qualification | Higher current capacity but larger footprint and no automotive qualification | Select for industrial power rails needing >500 mA per channel and no temperature cycling validation |
Compared with DMN32D2LDF-7, DMN3026LSD-13 increases component count and layout complexity for dual functions, while AOB410L trades automotive reliability and miniaturization for raw current capability-making DMN32D2LDF-7 optimal for space- and qualification-constrained dual-switching nodes.
Availability
DMN32D2LDF-7 is available at Aetrix Electronics and suitable for automotive body control modules, USB-C power delivery systems, and industrial sensor interface circuits requiring stable component supply and long-term production continuity.
Supply support for DMN32D2LDF-7 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
Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, specializing in high-reliability power management and signal integrity solutions for automotive, industrial, and consumer markets.
The DMN32D2LDF-7 belongs to Diodes' AEC-Q101-qualified logic-level MOSFET product line, engineered specifically for compact, low-voltage load switching in automotive cabin electronics and portable equipment.
FAQ
What is the maximum allowable gate-source voltage for DMN32D2LDF-7?
The absolute maximum gate-source voltage is ±10 V. Exceeding this rating risks permanent gate oxide damage. For reliable operation, drive signals should remain within −10 V to +10 V, with typical use at 0–4.5 V for logic-level compatibility. The device's ESD protection does not extend to overvoltage clamping beyond these limits.
Can DMN32D2LDF-7 be used in a synchronous buck converter high-side position?
No-DMN32D2LDF-7 is a standard N-channel MOSFET with no integrated bootstrap diode or gate driver, and its common-source configuration lacks the floating gate drive capability required for high-side N-MOSFET operation in buck topologies. It is designed for low-side or high-side switching with referenced gate control only.
Is the SOT-353 package thermally adequate for 400 mA continuous operation?
Yes, when mounted per Diodes Inc.'s AP02001 pad layout on 1-inch × 0.85-inch FR-4 with 1 oz copper, the device achieves 446 °C/W θJA. At 400 mA and RDS(on) = 1.2 Ω, power dissipation is 192 mW, resulting in ~85 °C junction rise above ambient-well within the −55 to +150 °C operating range.
Does DMN32D2LDF-7 support reverse current blocking in source-follower configuration?
No-the device lacks intrinsic body diode isolation for reverse conduction blocking. When used in source-follower mode, the parasitic body diode conducts from source to drain if VS > VD, limiting its use to unidirectional current flow applications unless external series diodes are added.
DMN32D2LDF-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- 5-TSSOP, SC-70-5, SOT-353
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Technology:
- MOSFET (Metal Oxide)
- Configuration:
- 2 N-Channel (Dual) Common Source
- FET Feature:
- Logic Level Gate
- Drain to Source Voltage (Vdss):
- 30V
- Current - Continuous Drain (Id) @ 25°C:
- 400mA
- Rds On (Max) @ Id, Vgs:
- 1.2Ohm @ 100mA, 4V
- Vgs(th) (Max) @ Id:
- 1.2V @ 250µA
- Gate Charge (Qg) (Max) @ Vgs:
- -
- Input Capacitance (Ciss) (Max) @ Vds:
- 39pF @ 3V
- Power - Max:
- 280mW
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-353
DMN32D2LDF-7 FAQ
1.How can I place an order for DMN32D2LDF-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for DMN32D2LDF-7 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 DMN32D2LDF-7 reliable?
The price and inventory of DMN32D2LDF-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DMN32D2LDF-7 is usually 5 days.
3.What payment methods are accepted for DMN32D2LDF-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DMN32D2LDF-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DMN32D2LDF-7?
DMN32D2LDF-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DMN32D2LDF-7 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 DMN32D2LDF-7?
For technical support, including DMN32D2LDF-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DMN32D2LDF-7 requirements.
6.How does Aetrix verify that DMN32D2LDF-7 is sourced from the original manufacturer or authorized distributors?
All DMN32D2LDF-7 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 DMN32D2LDF-7 meets industry standards.
7.What is the process for return or replacement of DMN32D2LDF-7?
All DMN32D2LDF-7 units undergo pre-shipment inspection (PSI). If there is an issue with DMN32D2LDF-7, 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 DMN32D2LDF-7 part is unused and in its original packaging.
Return procedure for DMN32D2LDF-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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