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FQB70N08TM-VB Product details
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VBsemi FQB70N08TM-VB is a Single N-channel MOSFET using Trench technology, designed for medium-to-low voltage, high-current power conversion and high power density applications. Its TO263 package provides excellent heat dissipation and current-carrying capacity, suitable for applications with high reliability and thermal performance requirements such as power supplies, motor drives, and battery management. The device offers stable switching characteristics within an 80V drain-source voltage range, and its gate drive is compatible with common 10V logic levels, facilitating system design and integration.
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Product parameter：
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds2.5 | Rds4.5 | Rds10 | Technology |
|---|---|---|---|---|---|---|---|---|---|
| TO263 | Single-N | 80V | 3V | 120A | 10(mΩ) | 6(mΩ) | Trench |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| TO263 | Single-N | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| TO263 | Single-N | 80V | 3V | 120A | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| TO263 | Single-N | 80V | 3V | 120A | Trench |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| TO263 | Single-N |
Drain-Source Voltage (VDS): 80V
Gate-Source Voltage (VGS): ±20V
Threshold Voltage (Vth): 3V (Typical)
On-Resistance (VGS=10V): 6mΩ (Typical)
On-Resistance (VGS=4.5V): 10mΩ (Typical)
Maximum Drain Current (ID): 120A
Package: TO263
Technology: Trench
Gate-Source Voltage (VGS): ±20V
Threshold Voltage (Vth): 3V (Typical)
On-Resistance (VGS=10V): 6mΩ (Typical)
On-Resistance (VGS=4.5V): 10mΩ (Typical)
Maximum Drain Current (ID): 120A
Package: TO263
Technology: Trench
Domain and module applications：
1. High-Performance DC-DC Converters: Used for synchronous rectification and main switching, extremely low on-resistance significantly reduces conduction losses, suitable for high-current Buck/Boost power modules.
2. Power Tools and Industrial Motor Drives: Drives high-power brushless/brushed DC motors, supports high-frequency PWM speed control, applicable to drills, saws, fans, and pumps.
3. Automotive Power Systems: Provides high-current voltage regulation and switching control for loads like lights, audio, and sensors in 12V/24V vehicle networks, meeting harsh operating environments.
4. Battery Charge/Discharge Management: Acts as the main switch for large-capacity lithium/lead-acid battery charge/discharge circuits, achieving low-heat, high-efficiency current path management, with fast shutdown via protection ICs.
5. Server and Communication Power Supplies: Used in AC-DC rectification stages and DC-DC power stages, improving overall efficiency, adapting to high-density power board layouts.
6. Power Inverters and UPS: Serves as power stage switches in medium and low-power inverters, supporting high duty cycle continuous operation, ensuring system thermal stability.
7. High-Power LED Driver Power Supplies: Used for constant current or dimming control, low on-state voltage drop reduces heat buildup, improving driver reliability and light output consistency.
* 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：
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