Overview
The FDV305N is a 20V N-Channel MOSFET produced by onsemi, utilizing Fairchild’s high voltage PowerTrench process. This MOSFET is optimized for power management applications, offering high performance and low on-resistance. It is packaged in a SOT-23 format, making it suitable for a variety of compact designs.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Drain-Source Voltage (VDSS) | 20 | V | ||
| Gate-Source Voltage (VGSS) | ±12 | V | ||
| Continuous Drain Current (ID) | 0.9 | A | ||
| Pulsed Drain Current (ID) | 2 | A | ||
| Maximum Power Dissipation (PD) | 0.35 | W | ||
| Operating and Storage Junction Temperature Range (TJ, TSTG) | -55 | 150 | °C | |
| Thermal Resistance, Junction-to-Ambient (RθJA) | 357 | °C/W | ||
| Gate Threshold Voltage (VGS(th)) | 0.6 | 1 | 1.5 | V |
| Static Drain-Source On-Resistance (RDS(on)) @ VGS = 4.5V, ID = 0.9A | 220 | mΩ | ||
| Static Drain-Source On-Resistance (RDS(on)) @ VGS = 2.5V, ID = 0.7A | 300 | mΩ |
Key Features
- Low on-resistance (RDS(on)) of 220 mΩ @ VGS = 4.5 V and 300 mΩ @ VGS = 2.5 V
- High performance trench technology for extremely low RDS(on)
- Fast switching speed
- Low gate charge
- Compact SOT-23 package
Applications
- Load switch
- Battery protection
- Power management
Q & A
- What is the maximum drain-source voltage (VDSS) of the FDV305N MOSFET?
The maximum drain-source voltage (VDSS) is 20 V.
- What is the continuous drain current (ID) rating of the FDV305N?
The continuous drain current (ID) is rated at 0.9 A.
- What is the thermal resistance, junction-to-ambient (RθJA), of the FDV305N?
The thermal resistance, junction-to-ambient (RθJA), is 357 °C/W.
- What are the typical applications of the FDV305N MOSFET?
Typical applications include load switching, battery protection, and power management.
- What is the gate threshold voltage (VGS(th)) range of the FDV305N?
The gate threshold voltage (VGS(th)) range is from 0.6 V to 1.5 V.
- What is the on-resistance (RDS(on)) of the FDV305N at VGS = 4.5 V and ID = 0.9 A?
The on-resistance (RDS(on)) is 220 mΩ at VGS = 4.5 V and ID = 0.9 A.
- What is the maximum power dissipation (PD) of the FDV305N?
The maximum power dissipation (PD) is 0.35 W.
- What is the operating and storage junction temperature range (TJ, TSTG) of the FDV305N?
The operating and storage junction temperature range is from -55°C to 150°C.
- Is the FDV305N suitable for high-frequency switching applications?
Yes, the FDV305N has fast switching speeds, making it suitable for high-frequency switching applications.
- What package type is the FDV305N available in?
The FDV305N is available in a SOT-23 package.
