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STD29NF03LT4-VB Product details
Back to previous pageProduct introduction：
1. Product Introduction
**STD29NF03LT4-VB** is a high-performance single N-channel MOSFET in TO252 package, suitable for medium and low voltage power management applications. Its maximum drain-source voltage (VDS) is 30V and the maximum drain current (ID) is 70A, which is suitable for high current applications. This MOSFET adopts Trench technology and has very low on-resistance (RDS(ON) = 7mΩ@VGS=10V), which can provide high efficiency under low voltage and high current conditions. STD29NF03LT4-VB has excellent switching performance while providing high current density, and is widely used in power conversion, power management, motor drive and other fields.
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**STD29NF03LT4-VB** is a high-performance single N-channel MOSFET in TO252 package, suitable for medium and low voltage power management applications. Its maximum drain-source voltage (VDS) is 30V and the maximum drain current (ID) is 70A, which is suitable for high current applications. This MOSFET adopts Trench technology and has very low on-resistance (RDS(ON) = 7mΩ@VGS=10V), which can provide high efficiency under low voltage and high current conditions. STD29NF03LT4-VB has excellent switching performance while providing high current density, and is widely used in power conversion, power management, motor drive and other fields.
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Product parameter：
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds2.5 | Rds4.5 | Rds10 | Technology |
|---|---|---|---|---|---|---|---|---|---|
| TO252 | Single-N | 30V | 1.7V | 70A | 7mΩ | Trench |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| TO252 | Single-N | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| TO252 | Single-N | 30V | 1.7V | 70A | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| TO252 | Single-N | 30V | 1.7V | 70A | Trench |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| TO252 | Single-N |
II. Detailed parameter description
| Parameter | Value | Description|
|-----------------|------------------------------------|--------------------------------------------------|
| **Package** | TO252 | TO252 package, suitable for surface mounting, optimized heat dissipation performance, suitable for medium and low voltage applications|
| **Configuration** | Single N-channel | N-channel configuration, suitable for low voltage, high current switching applications|
| **VDS** | 30V | Drain-source voltage is 30V, suitable for medium and low voltage power management applications|
| **VGS** | ±20V | Gate-source voltage supports ±20V, compatible with various drive signals|
| **Vth** | 1.7V | Threshold voltage is 1.7V to ensure reliable operation of MOSFET|
| **RDS(ON)** | 9mΩ@VGS=4.5V / 7mΩ@VGS=10V | Low on-resistance, suitable for high-efficiency current control and switching applications|
| **ID** | 70A | Maximum drain current is 70A, suitable for high-current load applications|
| **Technology** | Trench | Trench technology is used to reduce on-resistance and improve switching performance|
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| Parameter | Value | Description|
|-----------------|------------------------------------|--------------------------------------------------|
| **Package** | TO252 | TO252 package, suitable for surface mounting, optimized heat dissipation performance, suitable for medium and low voltage applications|
| **Configuration** | Single N-channel | N-channel configuration, suitable for low voltage, high current switching applications|
| **VDS** | 30V | Drain-source voltage is 30V, suitable for medium and low voltage power management applications|
| **VGS** | ±20V | Gate-source voltage supports ±20V, compatible with various drive signals|
| **Vth** | 1.7V | Threshold voltage is 1.7V to ensure reliable operation of MOSFET|
| **RDS(ON)** | 9mΩ@VGS=4.5V / 7mΩ@VGS=10V | Low on-resistance, suitable for high-efficiency current control and switching applications|
| **ID** | 70A | Maximum drain current is 70A, suitable for high-current load applications|
| **Technology** | Trench | Trench technology is used to reduce on-resistance and improve switching performance|
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Domain and module applications：
3. Application fields and module examples
1. **Power management system**
**DC-DC converter**: STD29NF03LT4-VB is commonly used in DC-DC converters, especially for low voltage and high current conversion applications. Due to its low on-resistance and high current carrying capacity, it can effectively reduce energy loss during the conversion process and improve conversion efficiency.
**Power adapter**: This MOSFET is widely used in various power adapters, such as chargers, adapters and power modules. In these applications, its low on-resistance ensures efficient operation of the power supply, especially for devices that require fast switching and efficient power management.
2. **Motor drive application**
**DC motor drive**: In DC motor drive systems, STD29NF03LT4-VB can effectively control the start, stop and speed regulation of the motor. Its high current capability and low on-resistance characteristics make it an ideal choice for controlling the current flow to the motor.
**Stepper motor drive**: The drive system of the stepper motor requires MOSFET to control the current efficiently. The characteristics of the STD29NF03LT4-VB are well suited for use in stepper motor drivers, ensuring stable operation and efficient performance of the motor.
3. **Consumer Electronics**
**LED Driver**: The STD29NF03LT4-VB is widely used in LED driver power supplies, providing stable current and, due to its low on-resistance, ensuring efficient lighting and long service life of LED lamps.
**High-efficiency Home Appliance Power Module**: This MOSFET is widely used in power modules in home appliances, such as refrigerators, air conditioners, and washing machines. It provides stable current and reduces power losses, improving the energy efficiency of home appliances.
4. **Automotive Power Management**
**Automotive Battery Management System (BMS)**: The STD29NF03LT4-VB is suitable for use in automotive battery management systems, especially in electric vehicles (EV) and hybrid electric vehicles (HEV). Its strong current carrying capacity can effectively manage the current flow during battery charging and discharging, ensuring battery safety and efficiency.
**Electric vehicle power system**: In the power system of electric vehicles, STD29NF03LT4-VB, as a power switch element, can handle high current loads, provide stable voltage and current, and ensure the efficient operation of the driving system and charging system of electric vehicles.
5. **Communication equipment power supply**
**Communication power module**: In the power modules of various communication equipment, STD29NF03LT4-VB can efficiently manage current conversion and ensure stable operation of the equipment. In communication equipment such as base stations and routers, it can provide efficient power support.
**Telecom base station power management**: STD29NF03LT4-VB can be used as a power switch element in telecommunication base stations, support efficient current regulation, and ensure stable operation and low power consumption of the system.
In summary, STD29NF03LT4-VB is widely used in power management, LED drive, motor control, automotive power management, and communication equipment. Its low on-resistance and high current capability make it excellent in a variety of high-efficiency power conversion and current control applications, and is particularly suitable for high-efficiency power management systems for high-current loads.
1. **Power management system**
**DC-DC converter**: STD29NF03LT4-VB is commonly used in DC-DC converters, especially for low voltage and high current conversion applications. Due to its low on-resistance and high current carrying capacity, it can effectively reduce energy loss during the conversion process and improve conversion efficiency.
**Power adapter**: This MOSFET is widely used in various power adapters, such as chargers, adapters and power modules. In these applications, its low on-resistance ensures efficient operation of the power supply, especially for devices that require fast switching and efficient power management.
2. **Motor drive application**
**DC motor drive**: In DC motor drive systems, STD29NF03LT4-VB can effectively control the start, stop and speed regulation of the motor. Its high current capability and low on-resistance characteristics make it an ideal choice for controlling the current flow to the motor.
**Stepper motor drive**: The drive system of the stepper motor requires MOSFET to control the current efficiently. The characteristics of the STD29NF03LT4-VB are well suited for use in stepper motor drivers, ensuring stable operation and efficient performance of the motor.
3. **Consumer Electronics**
**LED Driver**: The STD29NF03LT4-VB is widely used in LED driver power supplies, providing stable current and, due to its low on-resistance, ensuring efficient lighting and long service life of LED lamps.
**High-efficiency Home Appliance Power Module**: This MOSFET is widely used in power modules in home appliances, such as refrigerators, air conditioners, and washing machines. It provides stable current and reduces power losses, improving the energy efficiency of home appliances.
4. **Automotive Power Management**
**Automotive Battery Management System (BMS)**: The STD29NF03LT4-VB is suitable for use in automotive battery management systems, especially in electric vehicles (EV) and hybrid electric vehicles (HEV). Its strong current carrying capacity can effectively manage the current flow during battery charging and discharging, ensuring battery safety and efficiency.
**Electric vehicle power system**: In the power system of electric vehicles, STD29NF03LT4-VB, as a power switch element, can handle high current loads, provide stable voltage and current, and ensure the efficient operation of the driving system and charging system of electric vehicles.
5. **Communication equipment power supply**
**Communication power module**: In the power modules of various communication equipment, STD29NF03LT4-VB can efficiently manage current conversion and ensure stable operation of the equipment. In communication equipment such as base stations and routers, it can provide efficient power support.
**Telecom base station power management**: STD29NF03LT4-VB can be used as a power switch element in telecommunication base stations, support efficient current regulation, and ensure stable operation and low power consumption of the system.
In summary, STD29NF03LT4-VB is widely used in power management, LED drive, motor control, automotive power management, and communication equipment. Its low on-resistance and high current capability make it excellent in a variety of high-efficiency power conversion and current control applications, and is particularly suitable for high-efficiency power management systems for high-current loads.
* 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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