Overview
The MCH3478-TL-W-Z is a high-performance N-Channel Power MOSFET manufactured by ON Semiconductor. This device is part of the 1.8V drive series, designed for applications requiring low on-resistance and high-speed switching. The MOSFET is packaged in a 3-SMD, Flat Leads (MCPH3) package, which is Pb-free and halogen-free, making it compliant with environmental regulations.
Key Specifications
| Parameter | Symbol | Conditions | Ratings | Unit |
|---|---|---|---|---|
| Drain to Source Voltage | Vdss | - | 30 | V |
| Gate to Source Voltage | Vgss | - | ±12 | V |
| Continuous Drain Current (DC) | Id | - | 2 | A |
| Pulse Drain Current | Idp | PW≤10μs, duty cycle≤1% | 8 | A |
| Allowable Power Dissipation | Pd | When mounted on ceramic substrate | 0.8 | W |
| Channel Temperature | Tch | - | 150 | °C |
| Static Drain to Source On-State Resistance | Rds(on) | Id=1A, Vgs=4.5V | 125-165 | mΩ |
| Input Capacitance | Ciss | Vds=10V, f=1MHz | 130 | pF |
| Total Gate Charge | Qg | Vds=10V, Vgs=4.5V, Id=2A | 1.7 | nC |
Key Features
- Low ON-resistance: The MCH3478-TL-W-Z offers low on-resistance, making it suitable for high-efficiency applications.
- Ultrahigh speed switching: This MOSFET is designed for high-speed switching, which is beneficial in applications requiring fast switching times.
- 1.8V drive: The device can be driven with a low gate voltage of 1.8V, which is advantageous in battery-powered devices.
- Halogen free compliance: The MOSFET is Pb-free and halogen-free, ensuring compliance with environmental regulations.
- Protection diode: The device includes a built-in protection diode, enhancing its reliability and robustness.
Applications
The MCH3478-TL-W-Z is suitable for a variety of applications, including:
- Power management: Ideal for power management in portable electronics, battery-powered devices, and power supplies.
- Motor control: Used in motor control circuits due to its high current handling and low on-resistance.
- Switching circuits: Suitable for high-speed switching applications such as DC-DC converters and switching power supplies.
- Automotive systems: Can be used in automotive systems where high reliability and efficiency are required.
Q & A
- What is the maximum drain to source voltage of the MCH3478-TL-W-Z?
The maximum drain to source voltage (Vdss) is 30V.
- What is the continuous drain current rating of this MOSFET?
The continuous drain current (Id) is 2A at 25°C.
- What is the typical on-resistance of the MCH3478-TL-W-Z?
The typical on-resistance (Rds(on)) is 125-165 mΩ at Id=1A and Vgs=4.5V.
- Is the MCH3478-TL-W-Z Pb-free and halogen-free?
Yes, the device is Pb-free and halogen-free, making it environmentally compliant.
- What is the package type of the MCH3478-TL-W-Z?
The device is packaged in a 3-SMD, Flat Leads (MCPH3) package.
- What is the maximum channel temperature of this MOSFET?
The maximum channel temperature (Tch) is 150°C.
- Does the MCH3478-TL-W-Z have a built-in protection diode?
Yes, the device includes a built-in protection diode.
- What is the input capacitance of the MCH3478-TL-W-Z?
The input capacitance (Ciss) is 130 pF at Vds=10V and f=1MHz.
- What are the typical turn-on and turn-off delay times of this MOSFET?
The turn-on delay time (td(on)) is 4.4 ns, and the turn-off delay time (td(off)) is 16 ns.
- What is the total gate charge of the MCH3478-TL-W-Z?
The total gate charge (Qg) is 1.7 nC at Vds=10V, Vgs=4.5V, and Id=2A.
