Overview
The STP9NK90Z is a high-voltage N-channel Power MOSFET from STMicroelectronics, part of the SuperMESH™ series. This device is optimized from ST's well-established strip-based PowerMESH™ layout, enhancing performance in high-voltage applications. The STP9NK90Z is designed to offer low on-resistance, high dv/dt capability, and minimized gate charge, making it suitable for demanding switching applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| VDSS (Drain-source voltage) | 900 | V |
| RDS(on) (Static drain-source on resistance) | < 1.3 Ω | Ω |
| ID (Drain current, continuous at TC = 25 °C) | 8 | A |
| ID (Drain current, continuous at TC = 100 °C) | 5 | A |
| IDM (Drain current, pulsed) | 32 | A |
| PTOT (Total dissipation at TC = 25 °C) | 160 | W |
| VGS (Gate-source voltage) | ± 30 | V |
| VGS(th) (Gate threshold voltage) | 3 - 4.5 | V |
| Package | TO-220 |
Key Features
- Extremely high dv/dt capability
- 100% avalanche tested
- Gate charge minimized
- Very low intrinsic capacitances
- Built-in back-to-back Zener diodes for enhanced ESD capability and protection against voltage transients
- Very good manufacturing repeatability
Applications
- High current, high speed switching applications
- Switch mode power supplies
- DC-AC converters for welding, UPS, and motor drive
Q & A
- What is the maximum drain-source voltage (VDSS) of the STP9NK90Z?
The maximum drain-source voltage (VDSS) is 900 V.
- What is the typical on-resistance (RDS(on)) of the STP9NK90Z?
The typical on-resistance (RDS(on)) is less than 1.3 Ω.
- What is the continuous drain current (ID) at 25 °C for the STP9NK90Z?
The continuous drain current (ID) at 25 °C is 8 A.
- What is the total dissipation (PTOT) at 25 °C for the STP9NK90Z?
The total dissipation (PTOT) at 25 °C is 160 W.
- What is the gate-source voltage (VGS) range for the STP9NK90Z?
The gate-source voltage (VGS) range is ± 30 V.
- What are the built-in protection features of the STP9NK90Z?
The device includes built-in back-to-back Zener diodes to enhance ESD capability and protect against voltage transients.
- What are the typical applications of the STP9NK90Z?
Typical applications include high current, high speed switching, switch mode power supplies, and DC-AC converters for welding, UPS, and motor drive.
- What package types are available for the STP9NK90Z?
The STP9NK90Z is available in the TO-220 package.
- What is the significance of the SuperMESH™ series in the context of the STP9NK90Z?
The SuperMESH™ series is an optimization of ST's strip-based PowerMESH™ layout, offering improved performance in high-voltage applications.
- How does the STP9NK90Z handle high dv/dt conditions?
The STP9NK90Z is designed with extremely high dv/dt capability, making it suitable for demanding applications.
