Overview
The STW7NK90Z is a high-voltage N-channel Power MOSFET developed by STMicroelectronics using the advanced SuperMESH™ technology. This device is part of the SuperMESH™ series, which is an optimization of the well-established strip-based PowerMESH™ layout. The STW7NK90Z is designed to offer low on-resistance and high dv/dt capability, making it suitable for the most demanding applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Drain-source voltage (VDS) | 900 | V |
| Gate-source voltage (VGS) | ± 30 | V |
| Drain current (continuous) at TC = 25 °C (ID) | 5.8 | A |
| Drain current (continuous) at TC = 100 °C (ID) | 3.65 | A |
| Drain current (pulsed) (IDM) | 23.2 | A |
| Total dissipation at TC = 25 °C (PTOT) | 140 | W |
| Peak diode recovery voltage slope (dv/dt) | 4.5 | V/ns |
| Insulation withstand voltage (RMS) from all three leads to external heat sink (VISO) | 2500 | V |
| Maximum operating junction temperature (Tj) | -55 to 150 | °C |
| Gate threshold voltage (VGS(th)) | 3 to 4.5 | V |
| Static drain-source on resistance (RDS(on)) | 1.56 (typ.), 2 (max.) | Ω |
Key Features
- Extremely high dv/dt capability, making it suitable for demanding applications.
- 100% avalanche tested for reliability.
- Gate charge minimized to reduce switching losses.
- Very low intrinsic capacitances for improved performance.
- Zener-protected to enhance ESD performance and eliminate the need for additional external components.
- Very good manufacturing repeatability for consistent performance across devices.
Applications
The STW7NK90Z is primarily used in switching applications due to its high dv/dt capability and low on-resistance. It is suitable for a variety of high-power switching scenarios, including power supplies, motor control, and other high-voltage applications.
Q & A
- What is the maximum drain-source voltage (VDS) of the STW7NK90Z?
The maximum drain-source voltage (VDS) is 900 V.
- What is the typical on-resistance (RDS(on)) of the STW7NK90Z?
The typical on-resistance (RDS(on)) is 1.56 Ω.
- What is the maximum continuous drain current (ID) at 25 °C?
The maximum continuous drain current (ID) at 25 °C is 5.8 A.
- What is the peak diode recovery voltage slope (dv/dt) of the STW7NK90Z?
The peak diode recovery voltage slope (dv/dt) is 4.5 V/ns.
- What is the insulation withstand voltage (VISO) from all three leads to the external heat sink?
The insulation withstand voltage (VISO) is 2500 V (RMS).
- What are the primary applications of the STW7NK90Z?
The primary applications include switching applications, such as power supplies and motor control.
- What technology is used in the STW7NK90Z?
The STW7NK90Z is developed using the SuperMESH™ technology.
- Is the STW7NK90Z Zener-protected?
Yes, the STW7NK90Z is Zener-protected to enhance ESD performance.
- What are the available packages for the STW7NK90Z?
The STW7NK90Z is available in TO-247, TO-220, TO-220FP, and D2PAK packages.
- What is the maximum operating junction temperature (Tj) of the STW7NK90Z?
The maximum operating junction temperature (Tj) is 150 °C.
