Overview
The BSS84_D87Z, produced by onsemi, is a P-channel enhancement-mode field-effect transistor (FET) designed using onsemi’s proprietary high cell density DMOS technology. This technology minimizes on-state resistance, providing rugged and reliable performance along with fast switching capabilities. The BSS84 is suitable for a wide range of applications, particularly those requiring low-voltage and low-current high-side switching.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit | Test Conditions |
|---|---|---|---|---|---|---|
| Drain-Source Voltage | VDSS | -50 | V | VGS = 0 V, ID = -250 μA | ||
| Gate-Source Voltage | VGSS | ±20 | V | |||
| Continuous Drain Current | ID | -0.13 | A | |||
| Pulsed Drain Current | ID | -0.52 | A | |||
| Maximum Power Dissipation | PD | 0.36 | W | Derate Above 25°C | ||
| Drain-Source On-Resistance | RDS(on) | 10 | Ω | VGS = -5 V, ID = -0.10 A | ||
| Input Capacitance | Ciss | 73 | pF | VDS = -25 V, VGS = 0 V, f = 1.0 MHz | ||
| Output Capacitance | Coss | 10 | pF | |||
| Reverse Transfer Capacitance | Crss | 5 | pF | |||
| Gate Resistance | Rg | 9 | Ω | VGS = 15 mV, f = 1.0 MHz |
Key Features
- Voltage-Controlled P-Channel Small-Signal Switch: The BSS84 operates as a voltage-controlled switch, making it suitable for various switching applications.
- High-Density Cell Design for Low RDS(on): The high cell density DMOS technology minimizes on-state resistance, ensuring efficient operation.
- High Saturation Current: The device can handle up to 0.52 A of pulsed current and 0.13 A of continuous current.
- Fast Switching Speed: The BSS84 features fast turn-on and turn-off times, making it ideal for high-frequency applications.
- Low Input Capacitance: Low input capacitance reduces the gate drive requirements.
- Pb-Free and Halogen Free: The device is environmentally friendly, adhering to RoHS standards.
Applications
- Low-Voltage Applications: The BSS84 is particularly suited for low-voltage applications requiring a low-current high-side switch.
- Power Management Functions: It is used in power management circuits for efficient switching and control.
- General Purpose Interfacing Switch: The device can be used as a general-purpose switch in various electronic circuits.
- Analog Switches: Its low on-resistance and fast switching make it suitable for analog switching applications.
Q & A
- What is the maximum drain-source voltage of the BSS84?
The maximum drain-source voltage (VDSS) is -50 V.
- What is the continuous drain current rating of the BSS84?
The continuous drain current (ID) is -0.13 A.
- What is the typical on-state resistance (RDS(on)) of the BSS84?
The typical on-state resistance (RDS(on)) is 10 Ω at VGS = -5 V.
- What is the maximum power dissipation of the BSS84?
The maximum power dissipation (PD) is 0.36 W, derating above 25°C.
- What is the input capacitance of the BSS84?
The input capacitance (Ciss) is 73 pF at VDS = -25 V, VGS = 0 V, and f = 1.0 MHz.
- Is the BSS84 Pb-Free and Halogen Free?
Yes, the BSS84 is Pb-Free and Halogen Free.
- What is the typical turn-on delay time of the BSS84?
The typical turn-on delay time (td(on)) is 2.5 to 5.0 ns.
- What are the common applications of the BSS84?
The BSS84 is commonly used in low-voltage applications, power management functions, general-purpose interfacing switches, and analog switches.
- What is the gate-source voltage range for the BSS84?
The gate-source voltage (VGSS) range is ±20 V.
- What is the operating junction temperature range for the BSS84?
The operating junction temperature range is -55°C to +150°C.
