STB55NF06LT4
N-channel MOSFET transistors, 60V 55A, D2PAK package
Manufacturer： stm
series introduction
# Introduction to the STB55NF06LT4 Product Series
## 1. Overview
The STB55NF06LT4 product series belongs to the family of power MOSFETs (Metal - Oxide - Semiconductor Field - Effect Transistors) developed by STMicroelectronics. These MOSFETs are designed to meet the demanding requirements of various power electronics applications, offering a combination of high performance, reliability, and efficiency.
## 2. Key Features
### Electrical Characteristics
- **Low On - Resistance (RDS(on))**: The STB55NF06LT4 series features an extremely low on - resistance. This characteristic is crucial as it minimizes power losses during conduction. A low RDS(on) means that less energy is dissipated as heat when the MOSFET is in the on - state, resulting in higher efficiency and reduced power consumption in the overall system. For example, in a high - current power supply application, a lower RDS(on) allows for more power to be delivered to the load rather than being wasted as heat in the MOSFET itself.
- **High Drain Current (ID) Capability**: These MOSFETs can handle relatively high drain currents. This makes them suitable for applications that require the switching of large amounts of power, such as motor control circuits. The ability to handle high currents without significant degradation in performance ensures that the MOSFET can operate reliably in high - power environments.
- **Fast Switching Speed**: The STB55NF06LT4 series offers fast switching times. Fast switching is essential in applications like switching power supplies, where rapid transitions between the on and off states are required to achieve high - frequency operation. A fast - switching MOSFET reduces switching losses and allows for the design of more compact and efficient power converters.
### Package and Thermal Performance
- **Robust Package Design**: The MOSFETs in this series are typically housed in a well - designed package that provides good mechanical protection and electrical isolation. The package is also optimized for heat dissipation, which is important for maintaining the MOSFET's performance and reliability under high - power operation.
- **Good Thermal Resistance**: With a relatively low thermal resistance, the STB55NF06LT4 can effectively transfer heat from the die to the surrounding environment. This helps to prevent overheating, which can lead to device failure or reduced performance. In applications where the MOSFET is subjected to high power dissipation, proper heat management is critical, and the low thermal resistance of this series simplifies the thermal design of the system.
### Gate Drive Requirements
- **Low Gate Charge (Qg)**: The series has a low gate charge, which means that less energy is required to drive the MOSFET's gate. This results in lower gate drive losses and allows for the use of simpler and more cost - effective gate drive circuits. In high - frequency applications, a low gate charge is particularly beneficial as it enables faster and more efficient switching.
## 3. Applications
### Power Supplies
- **Switching Power Supplies**: The STB55NF06LT4 series is well - suited for use in switching power supplies, including AC - DC and DC - DC converters. Its low on - resistance and fast switching speed contribute to high efficiency and high - frequency operation, allowing for the design of compact and lightweight power supplies. For example, in a laptop power adapter, these MOSFETs can help to reduce power losses and improve the overall energy efficiency of the device.
- **Uninterruptible Power Supplies (UPS)**: In UPS systems, the MOSFETs are used for battery charging, inverter switching, and load protection. The high current - handling capability and reliability of the STB55NF06LT4 series make it an ideal choice for ensuring the smooth operation of UPS systems during power outages.
### Motor Control
- **DC Motor
Images for reference
TO-263
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