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SI3421DV-T1-GE3-VB Product details
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Still troubled by large voltage drops in load switches and complex drive circuits? Let VBsemi SI3421DV-T1-GE3-VB help! This SOT23-6 packaged P-MOSFET, though small in size, can handle a continuous current of -4.8A, with an ultra-low on-resistance of 49mΩ @ 10V, resulting in low power loss, minimal heat generation, and stable, reliable performance. The Trench process provides fast switching and low gate charge characteristics. With a -30V voltage rating, it easily covers portable devices, battery-powered applications, and power management, making it the 'negative voltage switch expert' in circuit design.
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Product parameter：
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds2.5 | Rds4.5 | Rds10 | Technology |
|---|---|---|---|---|---|---|---|---|---|
| SOT23-6 | Single-P | -30V | -1.7V | -4.8A | 54(mΩ) | 49(mΩ) | Trench |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| SOT23-6 | Single-P | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| SOT23-6 | Single-P | -30V | -1.7V | -4.8A | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| SOT23-6 | Single-P | -30V | -1.7V | -4.8A | Trench |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| SOT23-6 | Single-P | MOS |
Voltage Rating: -30V (ample margin for negative voltage applications, safe and robust)
Drive Range: ±20V (compatible with 3.3V/5V/12V logic level drive)
Threshold Voltage: -1.7V (reliable turn-on with low-voltage control signals)
Ultra-Low On-Resistance: 49mΩ @ 10V, 54mΩ @ 4.5V (low conduction loss, energy efficient)
High Current Capability: -4.8A (SOT23-6 package delivers excellent current handling)
Package: SOT23-6 (suitable for high-density mounting, saving PCB area)
Domain and module applications：
– Six Typical Scenarios, One Chip for Multiple Uses
Battery-Powered Systems: Handheld devices, smart wearables, lower power path management loss
Load Switches: Peripheral power control, fast switching, low voltage drop
Reverse Polarity Protection: Negative voltage protection, ensuring downstream circuit safety
DC-DC Converters: Synchronous rectification auxiliary circuit, improving conversion efficiency
Motor Drives: Small fan, pump drives, smooth and noiseless speed control
LED Lighting Control: Constant current/dimming circuits, fast response, stable brightness
SI3421DV-T1-GE3-VB – Small Package, Big Negative Voltage Capability, Making Power Design Easier!
* Please note: the above is only an example application scenario, the specific application depends on the requirements and conditions of the system design. When using this device, consult its data sheet for detailed technical specifications and features
Technical support：
* If you have any questions about the product, please fill out the form to submit, we will reply you within 24 hours
