中文
English
SST4443-VB Product details
Back to previous pageProduct introduction：
Product Introduction:
SST4443-VB is a bipolar P-channel MOSFET in SOT23-6 package. The product has a maximum drain-source voltage (VDS) of -20V and a maximum drain current (ID) of -4A. Its threshold voltage (Vth) is -0.6V, and the on-resistance (RDS(ON)) is 100mΩ (@VGS = 2.5V) and 75mΩ (@VGS = 4.5V). This model adopts Trench technology, has lower on-resistance and better switching performance, and is suitable for low-voltage and high-efficiency switching power supplies, load switches, battery management systems and other fields.
SST4443-VB is a bipolar P-channel MOSFET in SOT23-6 package. The product has a maximum drain-source voltage (VDS) of -20V and a maximum drain current (ID) of -4A. Its threshold voltage (Vth) is -0.6V, and the on-resistance (RDS(ON)) is 100mΩ (@VGS = 2.5V) and 75mΩ (@VGS = 4.5V). This model adopts Trench technology, has lower on-resistance and better switching performance, and is suitable for low-voltage and high-efficiency switching power supplies, load switches, battery management systems and other fields.
File download
Download PDF document
Download now
Product parameter：
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds2.5 | Rds4.5 | Rds10 | Technology |
|---|---|---|---|---|---|---|---|---|---|
| SOT23-6 | Dual-P+P | -20V | -0.6V | -4A | 100mΩ | Trench |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| SOT23-6 | Dual-P+P | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| SOT23-6 | Dual-P+P | -20V | -0.6V | -4A | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| SOT23-6 | Dual-P+P | -20V | -0.6V | -4A | Trench |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| SOT23-6 | Dual-P+P |
Detailed parameter description:
- **Model**: SST4443-VB
- **Package type**: SOT23-6
- **Configuration**: Dual P channel
- **Maximum drain-source voltage (VDS)**: -20V
- **Maximum gate-source voltage (VGS)**: ±12V
- **Threshold voltage (Vth)**: -0.6V
- **On-resistance (RDS(ON))**:
- 100mΩ (@VGS = 2.5V)
- 75mΩ (@VGS = 4.5V)
- **Maximum drain current (ID)**: -4A
- **Technology**: Trench
- **Application fields**: Applicable to low voltage, high-efficiency switching power supplies, load switches, battery management, portable electronic devices and other fields.
- **Model**: SST4443-VB
- **Package type**: SOT23-6
- **Configuration**: Dual P channel
- **Maximum drain-source voltage (VDS)**: -20V
- **Maximum gate-source voltage (VGS)**: ±12V
- **Threshold voltage (Vth)**: -0.6V
- **On-resistance (RDS(ON))**:
- 100mΩ (@VGS = 2.5V)
- 75mΩ (@VGS = 4.5V)
- **Maximum drain current (ID)**: -4A
- **Technology**: Trench
- **Application fields**: Applicable to low voltage, high-efficiency switching power supplies, load switches, battery management, portable electronic devices and other fields.
Domain and module applications：
Application fields and module examples:
1. **Low voltage switching power supply**
SST4443-VB can be used in low voltage switching power supply design, especially power modules that require high efficiency and fast switching. Its low on-resistance (RDS(ON)) keeps its energy loss low during operation, and is suitable for power management applications in the voltage range of 3.3V to 12V, such as small switching power supplies and voltage regulators (VRMs).
2. **Load switch module**
This MOSFET is very suitable for load switch applications, especially in situations where low on-resistance and high efficiency are required. As a switching element of the load switch module, SST4443-VB can effectively manage current switching and is commonly used in various consumer electronic devices, such as portable battery-powered devices, battery management circuits for mobile devices, etc.
3. **Battery management system (BMS)**
In the battery management system, SST4443-VB can be used for battery charge and discharge control. Due to its low on-resistance, it can significantly reduce energy loss in battery management systems and improve overall efficiency, especially suitable for battery switch control in lithium battery and other high-efficiency battery systems.
4. **Portable Electronic Devices**
SST4443-VB is suitable for power management modules in portable electronic devices. Its SOT23-6 package and dual P-channel design make it an ideal choice for small and efficient switching power supplies, chargers and battery protection circuits. This MOSFET can help implement load switching and voltage regulation in battery-powered devices, thereby extending battery life and improving the overall efficiency of the battery.
5. **Smart Home and IoT Devices**
In smart home and Internet of Things (IoT) devices, SST4443-VB can be used for low-power switching power supplies and load control. Due to its compact package and low power consumption, it can meet the high-efficiency requirements of these devices for power management, especially in wireless sensors, smart lamps and home automation systems, helping the devices to operate stably for a long time.
6. **Small power tools**
SST4443-VB can be applied to battery management and power switch systems in small power tools. Due to its small package and efficient switching performance, it can be used to control the battery charging and discharging process in the tool, ensuring efficient battery charging and long service life, and is widely used in cordless power tools and portable electrical equipment.
7. **Consumer electronics**
In consumer electronics, SST4443-VB can be applied to battery protection circuits and power management modules, especially in low-voltage electronic devices such as mobile phones, smart watches, and Bluetooth headsets. Its low RDS(ON) characteristics ensure higher conversion efficiency, reduce heat, and improve equipment reliability and performance.
Through the above application areas, SST4443-VB has demonstrated its wide application in low-voltage, high-efficiency switching power supplies, battery management systems, load switches, and other fields, and is suitable for various portable, intelligent, and high-efficiency electronic products.
1. **Low voltage switching power supply**
SST4443-VB can be used in low voltage switching power supply design, especially power modules that require high efficiency and fast switching. Its low on-resistance (RDS(ON)) keeps its energy loss low during operation, and is suitable for power management applications in the voltage range of 3.3V to 12V, such as small switching power supplies and voltage regulators (VRMs).
2. **Load switch module**
This MOSFET is very suitable for load switch applications, especially in situations where low on-resistance and high efficiency are required. As a switching element of the load switch module, SST4443-VB can effectively manage current switching and is commonly used in various consumer electronic devices, such as portable battery-powered devices, battery management circuits for mobile devices, etc.
3. **Battery management system (BMS)**
In the battery management system, SST4443-VB can be used for battery charge and discharge control. Due to its low on-resistance, it can significantly reduce energy loss in battery management systems and improve overall efficiency, especially suitable for battery switch control in lithium battery and other high-efficiency battery systems.
4. **Portable Electronic Devices**
SST4443-VB is suitable for power management modules in portable electronic devices. Its SOT23-6 package and dual P-channel design make it an ideal choice for small and efficient switching power supplies, chargers and battery protection circuits. This MOSFET can help implement load switching and voltage regulation in battery-powered devices, thereby extending battery life and improving the overall efficiency of the battery.
5. **Smart Home and IoT Devices**
In smart home and Internet of Things (IoT) devices, SST4443-VB can be used for low-power switching power supplies and load control. Due to its compact package and low power consumption, it can meet the high-efficiency requirements of these devices for power management, especially in wireless sensors, smart lamps and home automation systems, helping the devices to operate stably for a long time.
6. **Small power tools**
SST4443-VB can be applied to battery management and power switch systems in small power tools. Due to its small package and efficient switching performance, it can be used to control the battery charging and discharging process in the tool, ensuring efficient battery charging and long service life, and is widely used in cordless power tools and portable electrical equipment.
7. **Consumer electronics**
In consumer electronics, SST4443-VB can be applied to battery protection circuits and power management modules, especially in low-voltage electronic devices such as mobile phones, smart watches, and Bluetooth headsets. Its low RDS(ON) characteristics ensure higher conversion efficiency, reduce heat, and improve equipment reliability and performance.
Through the above application areas, SST4443-VB has demonstrated its wide application in low-voltage, high-efficiency switching power supplies, battery management systems, load switches, and other fields, and is suitable for various portable, intelligent, and high-efficiency electronic products.
* 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：
* If you have any questions about the product, please fill out the form to submit, we will reply you within 24 hours
