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FDN5618P-B8-VB Product details
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The VBsemi FDN5618P-B8-VB is a Single P-Channel field-effect transistor manufactured using Trench technology, designed for applications such as negative voltage power management, load switching, and battery protection. Its compact SOT23-3 package offers good heat dissipation and layout flexibility, suitable for high-density PCB designs. The device supports a -60V drain-source voltage and ±20V gate drive, with a typical gate threshold voltage of -1.7V, making it compatible with common 3.3V/5V logic level control for easy system-level integration.
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Product parameter：
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds2.5 | Rds4.5 | Rds10 | Technology |
|---|---|---|---|---|---|---|---|---|---|
| SOT23-3 | Single-P | -60V | -1.7V | -5.2A | 52(mΩ) | 50(mΩ) | Trench |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| SOT23-3 | Single-P | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| SOT23-3 | Single-P | -60V | -1.7V | -5.2A | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| SOT23-3 | Single-P | -60V | -1.7V | -5.2A | Trench |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| SOT23-3 | Single-P | MOS |
Drain-Source Voltage (VDS): -60V
Gate-Source Voltage (VGS): ±20V
Threshold Voltage (Vth): -1.7V (typical)
On-Resistance (VGS=10V): 50mΩ (typical)
On-Resistance (VGS=4.5V): 52mΩ (typical)
Maximum Drain Current (ID): -5.2A
Package: SOT23-3
Technology: Trench
Domain and module applications：
1. Negative Voltage Power Management: Used for switching control of negative voltage rails up to -60V, low on-resistance reduces power consumption and improves system efficiency.
2. Battery Protection Circuits: Serves as the main switch for the discharge path in lithium-ion or multi-cell battery packs, enabling fast overcurrent and overvoltage shutdown with a protection IC.
3. Load Switches: Applied in power on/off control for smart wearables, portable devices, and industrial sensors, supporting direct logic level drive.
4. DC-DC Converters: Used in negative voltage Buck-Boost topologies or as auxiliary switches, reducing rectification losses and adapting to miniaturized power supply designs.
5. Motor Drives: Drives small brushed/brushless DC motors, suitable for fans, pumps, and electronic lock actuators, supporting PWM speed control.
6. Consumer Electronics Control: Integrated into smart sockets, USB power management, and power tool switching circuits for reliable load connection and disconnection.
7. Automotive Auxiliary Systems: Provides voltage regulation and switching protection for instruments, sensors, and infotainment systems in 12V/24V vehicle networks.
* Please note: the above is only an example application scenario, the specific application depends on the requirements and conditions of the system design. When using this device, consult its data sheet for detailed technical specifications and features
Technical support：
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