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LR3717-VB Product details
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1. LR3717-VB Product Introduction
LR3717-VB is a high-efficiency single N-channel MOSFET that uses advanced trench technology and is designed for low-voltage and high-current applications. The device has a maximum drain-source voltage (VDS) of 20V and is suitable for a variety of low-voltage power management and switching circuits. Its gate-source voltage (VGS) is ±20V, with a flexible operating range. The threshold voltage (Vth) of LR3717-VB is between 0.5V and 1.5V, and the on-resistance (RDS(ON)) exhibits extremely low on-resistance at different gate voltages: 3.5mΩ@VGS=2.5V and 2.5mΩ@VGS=4.5V, and the maximum drain current (ID) is 120A. The TO252 package design of LR3717-VB gives it excellent heat dissipation performance and is widely used in switching power supplies, DC-DC converters, motor drives and other fields.
LR3717-VB is a high-efficiency single N-channel MOSFET that uses advanced trench technology and is designed for low-voltage and high-current applications. The device has a maximum drain-source voltage (VDS) of 20V and is suitable for a variety of low-voltage power management and switching circuits. Its gate-source voltage (VGS) is ±20V, with a flexible operating range. The threshold voltage (Vth) of LR3717-VB is between 0.5V and 1.5V, and the on-resistance (RDS(ON)) exhibits extremely low on-resistance at different gate voltages: 3.5mΩ@VGS=2.5V and 2.5mΩ@VGS=4.5V, and the maximum drain current (ID) is 120A. The TO252 package design of LR3717-VB gives it excellent heat dissipation performance and is widely used in switching power supplies, DC-DC converters, motor drives 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 | 20V | 0.5~1.5V | 120A | 3.5mΩ | 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 | 20V | 0.5~1.5V | 120A | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| TO252 | Single-N | 20V | 0.5~1.5V | 120A | Trench |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| TO252 | Single-N |
II. LR3717-VB Parameter Description
1. **Package Type**: TO252
- This package provides good heat dissipation, is suitable for high current applications, and can meet the requirements of compact circuit design.
2. **Channel Type**: Single-N-Channel
- Suitable for efficient current control and switching applications, with high switching speed and efficiency.
3. **Drain-Source Voltage (VDS)**: 20V
- Able to withstand voltages up to 20V, suitable for power electronics applications in low-voltage environments.
4. **Gate-Source Voltage (VGS)**: ±20V
- Maximum gate drive voltage to ensure the stability of the MOSFET under a variety of operating conditions.
5. **Threshold voltage (Vth)**: 0.5V~1.5V
- The minimum gate voltage required to turn on the MOSFET, suitable for low-voltage drive circuits, providing flexible control.
6. **On-resistance (RDS(ON))**:
- 3.5mΩ @ VGS=2.5V
- 2.5mΩ @ VGS=4.5V
- Low on-resistance can significantly reduce power consumption, especially improve efficiency in high current applications.
7. **Drain current (ID)**: 120A
- The maximum continuous drain current is 120A, suitable for applications with high current loads.
8. **Technology**: Trench
- The trench technology used improves current handling capability and reduces on-resistance, optimizing switching performance and efficiency.
1. **Package Type**: TO252
- This package provides good heat dissipation, is suitable for high current applications, and can meet the requirements of compact circuit design.
2. **Channel Type**: Single-N-Channel
- Suitable for efficient current control and switching applications, with high switching speed and efficiency.
3. **Drain-Source Voltage (VDS)**: 20V
- Able to withstand voltages up to 20V, suitable for power electronics applications in low-voltage environments.
4. **Gate-Source Voltage (VGS)**: ±20V
- Maximum gate drive voltage to ensure the stability of the MOSFET under a variety of operating conditions.
5. **Threshold voltage (Vth)**: 0.5V~1.5V
- The minimum gate voltage required to turn on the MOSFET, suitable for low-voltage drive circuits, providing flexible control.
6. **On-resistance (RDS(ON))**:
- 3.5mΩ @ VGS=2.5V
- 2.5mΩ @ VGS=4.5V
- Low on-resistance can significantly reduce power consumption, especially improve efficiency in high current applications.
7. **Drain current (ID)**: 120A
- The maximum continuous drain current is 120A, suitable for applications with high current loads.
8. **Technology**: Trench
- The trench technology used improves current handling capability and reduces on-resistance, optimizing switching performance and efficiency.
Domain and module applications：
3. Application fields and module examples
1. **Switching mode power supply (SMPS)**
LR3717-VB is widely used in switching mode power supplies (SMPS), especially in designs that require high efficiency and high power density. Its low on-resistance can effectively reduce power consumption and improve power conversion efficiency, making it suitable for various power conversion and management applications.
2. **DC-DC converter**
LR3717-VB can be used as an efficient switching element in a variety of DC-DC converters. The maximum voltage it can withstand is 20V, which is very suitable for battery management systems and various small electronic devices to ensure the stability of output voltage and current.
3. **Motor drive**
LR3717-VB is suitable for motor control and drive applications, especially in the drive of high current DC motors and stepper motors. Its 120A drain current capability can meet the needs of starting and running high-load motors.
4. **Load switch and protection circuit**
This MOSFET can also be used in load switch applications to achieve fast power switching. In the protection circuit, its low on-resistance characteristics can be used to improve the performance of overcurrent and short-circuit protection, ensuring the safety and reliability of the system.
1. **Switching mode power supply (SMPS)**
LR3717-VB is widely used in switching mode power supplies (SMPS), especially in designs that require high efficiency and high power density. Its low on-resistance can effectively reduce power consumption and improve power conversion efficiency, making it suitable for various power conversion and management applications.
2. **DC-DC converter**
LR3717-VB can be used as an efficient switching element in a variety of DC-DC converters. The maximum voltage it can withstand is 20V, which is very suitable for battery management systems and various small electronic devices to ensure the stability of output voltage and current.
3. **Motor drive**
LR3717-VB is suitable for motor control and drive applications, especially in the drive of high current DC motors and stepper motors. Its 120A drain current capability can meet the needs of starting and running high-load motors.
4. **Load switch and protection circuit**
This MOSFET can also be used in load switch applications to achieve fast power switching. In the protection circuit, its low on-resistance characteristics can be used to improve the performance of overcurrent and short-circuit protection, ensuring the safety and reliability of the system.
* 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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