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LR9343-VB Product details
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1. LR9343-VB Product Introduction
LR9343-VB is a single P-channel MOSFET that uses advanced Trench technology and has high-efficiency current conduction and switching characteristics. Its maximum drain-source voltage (VDS) is -60V, the maximum gate-source voltage (VGS) is ±20V, and the threshold voltage (Vth) is -1.7V. The device still has low on-resistance at a lower gate drive voltage, which is 58mΩ@VGS=4.5V and 46mΩ@VGS=10V, respectively, and the maximum drain current (ID) is -35A, which is suitable for power management and load switching applications. The TO252 package ensures excellent heat dissipation performance and can adapt to high power density and compact space design requirements.
LR9343-VB is a single P-channel MOSFET that uses advanced Trench technology and has high-efficiency current conduction and switching characteristics. Its maximum drain-source voltage (VDS) is -60V, the maximum gate-source voltage (VGS) is ±20V, and the threshold voltage (Vth) is -1.7V. The device still has low on-resistance at a lower gate drive voltage, which is 58mΩ@VGS=4.5V and 46mΩ@VGS=10V, respectively, and the maximum drain current (ID) is -35A, which is suitable for power management and load switching applications. The TO252 package ensures excellent heat dissipation performance and can adapt to high power density and compact space design requirements.
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Product parameter：
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds2.5 | Rds4.5 | Rds10 | Technology |
|---|---|---|---|---|---|---|---|---|---|
| TO252 | Single-P | -60V | -1.7V | -35A | 46mΩ | Trench |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| TO252 | Single-P | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| TO252 | Single-P | -60V | -1.7V | -35A | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| TO252 | Single-P | -60V | -1.7V | -35A | Trench |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| TO252 | Single-P |
II. LR9343-VB Detailed parameter description
1. **Package type**: TO252
- Compact package, suitable for high power density applications, ensuring good heat dissipation performance.
2. **Channel type**: Single-P-Channel
- Suitable for high-side switching circuits, helping to control power in the case of negative power rails or load grounding.
3. **Drain-source voltage (VDS)**: -60V
- The maximum withstand voltage is -60V, suitable for power control and load management in medium and low voltage circuits.
4. **Gate-source voltage (VGS)**: ±20V
- The maximum gate-source voltage range is ±20V, suitable for a wide range of drive voltage designs.
5. **Threshold Voltage (Vth)**: -1.7V
- Low threshold voltage enables fast switching response at low drive voltage.
6. **On-resistance (RDS(ON))**:
- 58mΩ @ VGS=4.5V
- 46mΩ @ VGS=10V
- Low on-resistance characteristics can effectively reduce power consumption and are suitable for applications requiring high efficiency.
7. **Drain Current (ID)**: -35A
- Supports up to -35A continuous drain current, suitable for high power load applications.
8. **Technology**: Trench Technology
- Using advanced trench technology to provide high-efficiency current conduction and low switching losses.
1. **Package type**: TO252
- Compact package, suitable for high power density applications, ensuring good heat dissipation performance.
2. **Channel type**: Single-P-Channel
- Suitable for high-side switching circuits, helping to control power in the case of negative power rails or load grounding.
3. **Drain-source voltage (VDS)**: -60V
- The maximum withstand voltage is -60V, suitable for power control and load management in medium and low voltage circuits.
4. **Gate-source voltage (VGS)**: ±20V
- The maximum gate-source voltage range is ±20V, suitable for a wide range of drive voltage designs.
5. **Threshold Voltage (Vth)**: -1.7V
- Low threshold voltage enables fast switching response at low drive voltage.
6. **On-resistance (RDS(ON))**:
- 58mΩ @ VGS=4.5V
- 46mΩ @ VGS=10V
- Low on-resistance characteristics can effectively reduce power consumption and are suitable for applications requiring high efficiency.
7. **Drain Current (ID)**: -35A
- Supports up to -35A continuous drain current, suitable for high power load applications.
8. **Technology**: Trench Technology
- Using advanced trench technology to provide high-efficiency current conduction and low switching losses.
Domain and module applications：
3. Application fields and module examples
1. **Power management and voltage regulator**
LR9343-VB is particularly suitable for use in power management modules. As a P-channel MOSFET, it performs well in load switching and power conversion. Its low on-resistance and high current carrying capacity make it an ideal component in medium and low voltage power converters, which can improve conversion efficiency and reduce heat generation.
2. **Load switch application**
In scenarios where high-power loads need to be controlled, such as battery management systems and intelligent switching devices, LR9343-VB has the characteristics of fast response and low power consumption. Its high current handling capability and low on-resistance ensure stable operation under high loads.
3. **Inverter and motor drive**
LR9343-VB is also commonly used in inverter and motor drive modules. Its -60V withstand voltage and -35A current handling capability enable it to work effectively in high-frequency switching circuits, ensuring efficient operation of inverters and motors, and is suitable for applications in electric vehicles, industrial automation, and other fields.
4. **Consumer Electronic Devices**
In the field of consumer electronics, especially in the power management and charging protection circuits of portable devices, the P-channel characteristics and low-power design of LR9343-VB provide efficient and reliable solutions for charging circuits of devices such as smartphones and tablets.
1. **Power management and voltage regulator**
LR9343-VB is particularly suitable for use in power management modules. As a P-channel MOSFET, it performs well in load switching and power conversion. Its low on-resistance and high current carrying capacity make it an ideal component in medium and low voltage power converters, which can improve conversion efficiency and reduce heat generation.
2. **Load switch application**
In scenarios where high-power loads need to be controlled, such as battery management systems and intelligent switching devices, LR9343-VB has the characteristics of fast response and low power consumption. Its high current handling capability and low on-resistance ensure stable operation under high loads.
3. **Inverter and motor drive**
LR9343-VB is also commonly used in inverter and motor drive modules. Its -60V withstand voltage and -35A current handling capability enable it to work effectively in high-frequency switching circuits, ensuring efficient operation of inverters and motors, and is suitable for applications in electric vehicles, industrial automation, and other fields.
4. **Consumer Electronic Devices**
In the field of consumer electronics, especially in the power management and charging protection circuits of portable devices, the P-channel characteristics and low-power design of LR9343-VB provide efficient and reliable solutions for charging circuits of devices such as smartphones and tablets.
* 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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