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STB55NF03LT4-VB Product details
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1. STB55NF03LT4-VB Product Introduction
STB55NF03LT4-VB is a single N-channel power MOSFET in TO263 package with a maximum drain-source voltage (VDS) of 30V and a maximum drain current (ID) of 70A. It is suitable for high-power, low-voltage switching power supplies and load control applications. Based on Trench technology, this product has low on-resistance (RDS(ON)) and fast switching performance, which can significantly reduce power loss and improve the overall efficiency of the system. The threshold voltage (Vth) of STB55NF03LT4-VB is 1.7V, which can quickly turn on at low gate-source voltage, suitable for low-voltage drive applications, and can meet the design requirements of efficient energy conversion and low power consumption.
STB55NF03LT4-VB is a single N-channel power MOSFET in TO263 package with a maximum drain-source voltage (VDS) of 30V and a maximum drain current (ID) of 70A. It is suitable for high-power, low-voltage switching power supplies and load control applications. Based on Trench technology, this product has low on-resistance (RDS(ON)) and fast switching performance, which can significantly reduce power loss and improve the overall efficiency of the system. The threshold voltage (Vth) of STB55NF03LT4-VB is 1.7V, which can quickly turn on at low gate-source voltage, suitable for low-voltage drive applications, and can meet the design requirements of efficient energy conversion and low power consumption.
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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 | 30V | 1.7V | 70A | 6mΩ | 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 | 30V | 1.7V | 70A | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| TO263 | Single-N | 30V | 1.7V | 70A | Trench |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| TO263 | Single-N |
2. STB55NF03LT4-VB Detailed parameter description
- **Package**: TO263
- **Configuration**: Single N-channel
- **VDS (maximum drain-source voltage)**: 30V
- **VGS (maximum gate-source voltage)**: ±20V
- **Vth (threshold voltage)**: 1.7V
- **RDS(ON) (on-resistance)**:
- 6mΩ @ VGS = 10V
- 8mΩ @ VGS = 4.5V
- **ID (maximum drain current)**: 70A
- **Technology**: Trench technology
- **Package**: TO263
- **Configuration**: Single N-channel
- **VDS (maximum drain-source voltage)**: 30V
- **VGS (maximum gate-source voltage)**: ±20V
- **Vth (threshold voltage)**: 1.7V
- **RDS(ON) (on-resistance)**:
- 6mΩ @ VGS = 10V
- 8mΩ @ VGS = 4.5V
- **ID (maximum drain current)**: 70A
- **Technology**: Trench technology
Domain and module applications：
3. Application fields and module examples
STB55NF03LT4-VB has a wide range of applications in multiple fields and modules due to its low on-resistance and high current carrying capacity. The following are examples of the application of this product in several typical fields:
1. **Switching Power Supply (SMPS)**:
STB55NF03LT4-VB is suitable for various switching power supply designs, especially for applications that require high-efficiency power conversion. The low RDS(ON) value enables this MOSFET to effectively reduce power loss and heat generation during the switching process, so it is suitable for high-frequency DC-DC converters, AC-DC adapters and other equipment. It helps improve the overall efficiency of the power supply and effectively extends the service life of the equipment.
2. **Battery Management System (BMS)**:
In the battery management system, the STB55NF03LT4-VB MOSFET can be used for battery charge and discharge control and current limiting protection. Due to its low on-resistance and high current carrying capacity, the MOSFET can work efficiently in the battery pack, improving the efficiency and response speed of the battery management system. In electric vehicles (EV) and portable battery devices, the STB55NF03LT4-VB provides an efficient battery control solution.
3. **Power tool drive circuit**:
The STB55NF03LT4-VB is also suitable for the drive circuit of power tools, especially in motor drive systems that require high current and efficient switching. Power tools such as drills, saws and fans require motors to operate efficiently while reducing energy losses and extending battery life. The low on-resistance of the STB55NF03LT4-VB helps improve the efficiency of motor drive systems and reduce temperature rise and power losses.
4. **LED lighting drive**:
The STB55NF03LT4-VB MOSFET is widely used in LED driver power supplies, especially in lighting systems that require efficient current control and low losses. It can be used as a current regulating switch for LED groups to ensure stable brightness output and extend the service life of LEDs. The low RDS(ON) value and fast switching characteristics give it a significant energy efficiency advantage in LED lighting driver modules.
5. **Power switch and load control module**:
In power switch and load control modules that require high-frequency switching and large current handling capabilities, the STB55NF03LT4-VB is an ideal choice. It can provide fast switching response and effectively reduce power loss in the power supply, suitable for uninterruptible power supply (UPS), power converters, and other efficient energy control systems.
6. **Automotive electronics**:
This MOSFET can be used in multiple applications in automotive electronics, such as battery management, lighting systems, transmission systems, and power conversion systems. In electric vehicles (EV) and hybrid electric vehicles (HEV), the STB55NF03LT4-VB can be used for battery chargers, electric drive motor control, and other power management systems to improve the vehicle's power system efficiency and overall energy efficiency.
STB55NF03LT4-VB has a wide range of applications in multiple fields and modules due to its low on-resistance and high current carrying capacity. The following are examples of the application of this product in several typical fields:
1. **Switching Power Supply (SMPS)**:
STB55NF03LT4-VB is suitable for various switching power supply designs, especially for applications that require high-efficiency power conversion. The low RDS(ON) value enables this MOSFET to effectively reduce power loss and heat generation during the switching process, so it is suitable for high-frequency DC-DC converters, AC-DC adapters and other equipment. It helps improve the overall efficiency of the power supply and effectively extends the service life of the equipment.
2. **Battery Management System (BMS)**:
In the battery management system, the STB55NF03LT4-VB MOSFET can be used for battery charge and discharge control and current limiting protection. Due to its low on-resistance and high current carrying capacity, the MOSFET can work efficiently in the battery pack, improving the efficiency and response speed of the battery management system. In electric vehicles (EV) and portable battery devices, the STB55NF03LT4-VB provides an efficient battery control solution.
3. **Power tool drive circuit**:
The STB55NF03LT4-VB is also suitable for the drive circuit of power tools, especially in motor drive systems that require high current and efficient switching. Power tools such as drills, saws and fans require motors to operate efficiently while reducing energy losses and extending battery life. The low on-resistance of the STB55NF03LT4-VB helps improve the efficiency of motor drive systems and reduce temperature rise and power losses.
4. **LED lighting drive**:
The STB55NF03LT4-VB MOSFET is widely used in LED driver power supplies, especially in lighting systems that require efficient current control and low losses. It can be used as a current regulating switch for LED groups to ensure stable brightness output and extend the service life of LEDs. The low RDS(ON) value and fast switching characteristics give it a significant energy efficiency advantage in LED lighting driver modules.
5. **Power switch and load control module**:
In power switch and load control modules that require high-frequency switching and large current handling capabilities, the STB55NF03LT4-VB is an ideal choice. It can provide fast switching response and effectively reduce power loss in the power supply, suitable for uninterruptible power supply (UPS), power converters, and other efficient energy control systems.
6. **Automotive electronics**:
This MOSFET can be used in multiple applications in automotive electronics, such as battery management, lighting systems, transmission systems, and power conversion systems. In electric vehicles (EV) and hybrid electric vehicles (HEV), the STB55NF03LT4-VB can be used for battery chargers, electric drive motor control, and other power management systems to improve the vehicle's power system efficiency and overall energy efficiency.
* 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
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