Product introduction：
Product Introduction
**TM3400N FN-VB** is a unipolar N-type MOSFET in a **SOT23-3** package, suitable for low voltage and medium current applications. This model has a **30V** withstand voltage (VDS) and a **20V** maximum gate-source voltage (VGS), as well as a **1.7V** gate threshold voltage (Vth), which makes it perform well in low voltage driven circuits. Its **RDS(ON) = 33mΩ** (at **VGS = 4.5V**) and **RDS(ON) = 30mΩ** (at **VGS = 10V**) on-resistance provide low power consumption efficiency, especially suitable for high-efficiency small electronic devices.
The maximum drain current of this MOSFET is **6.5A**, and it uses **Trench technology**, which makes it have lower on-resistance and higher switching performance, especially suitable for low power applications such as small power management and motor drive. Due to its compact package and high performance, the **TM3400N FN-VB** is ideal for portable devices, low-power power modules and small motor control.
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Product parameter：
| VB Package |
Configuration |
VDS(V) |
VGS |
Vthyp（V） |
ID(A) |
Rds2.5 |
Rds4.5 |
Rds10 |
Technology |
| SOT23-3 |
Single-N |
30V |
20（±V） |
1.7V |
6.5A |
|
|
30mΩ |
|
Detailed parameter description
| **Parameter** | **Value** |
|------------------|------------|
| **Package** | SOT23-3 |
| **Configuration** | Unipolar N-type MOSFET |
| **Maximum drain-source voltage (VDS)** | 30V |
| **Maximum gate-source voltage (VGS)** | ±20V |
| **Gate threshold voltage (Vth)** | 1.7V |
| **On-resistance (RDS(ON))** | 33mΩ@VGS=4.5V |
| | 30mΩ@VGS=10V |
| **Maximum drain current (ID)** | 6.5A |
| **Technology** | Trench technology|
Domain and module applications：
Application fields and module examples
1. **Low-power power management system**
**TM3400N FN-VB** can be widely used in **low-power power management systems**. Due to its low **RDS(ON)** and **high switching frequency**, this MOSFET can significantly reduce power loss during power conversion and is suitable for small battery-powered devices (such as smartphones, portable instruments, and embedded systems). In addition, it can also be used in **DC-DC converters** and **LDO (low dropout regulator)** to provide efficient voltage regulation and stable output.
2. **LED drive and lighting control**
**TM3400N FN-VB** is suitable for **LED drive** and **lighting control** systems. Its low **RDS(ON)** characteristics can reduce power loss, thereby improving the energy efficiency of the power supply and the brightness uniformity of the LED. It is widely used in the drive circuits of LED backlights, indoor lighting, and small lamps, especially in lighting systems with high requirements for low power consumption and high efficiency.
3. **Battery Management System (BMS)**
In **Battery Management System (BMS)**, **TM3400N FN-VB** can be used as a switching element to control the charge and discharge of the battery. The low on-resistance and high current carrying capacity of MOSFET make it suitable for the management of small battery packs, especially for battery protection and power regulation in applications such as portable devices and power tools. It can also effectively manage the current flow of the battery to prevent overcharging or over-discharging and extend the battery life.
4. **Motor Drive and Control System**
**TM3400N FN-VB** is suitable for **motor drive** systems, especially for small motors (such as household appliances, power tools, electric toys, etc.). MOSFET can help control the start, run and stop process of the motor by providing efficient switching performance. Due to its low on-resistance, it can reduce the power loss during the operation of the motor and improve the working efficiency of the system.
5. **Mobile devices and portable electronic products**
**TM3400N FN-VB** is widely used in **mobile devices** and **portable electronic products**. As a low-power, high-efficiency switching element, it can provide stable and efficient power conversion in the power management modules of these devices. Whether it is a mobile phone, tablet, Bluetooth headset, or smart wearable device, MOSFET can play a key role in improving battery life and system efficiency.
6. **Switching power supply and dimming system**
In **switching power supply** and **dimming system**, **TM3400N FN-VB** is an efficient switching element that can control the flow of current and provide precise regulation. Its low **RDS(ON)** characteristics help reduce switching losses and optimize dimming effects, and are widely used in various low-power switching power supplies and lighting dimming controllers.
Through these application examples, **TM3400N FN-VB** demonstrates its excellent performance under low voltage, high efficiency and low power requirements. It is suitable for various portable electronic products, battery management systems, motor drives and power management fields, and is an ideal choice for high-efficiency small power electronic systems.
* 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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