Overview
The AO3401A, produced by Alpha & Omega Semiconductor Inc., is a 30V P-Channel Enhancement Mode Field Effect Transistor (FET). This device utilizes advanced trench technology to offer excellent on-resistance (RDS(ON)), low gate charge, and the ability to operate with gate voltages as low as 2.5V. It is packaged in the SOT23 format, making it suitable for a variety of applications, including load switching and Pulse Width Modulation (PWM) circuits.
Key Specifications
| Parameter | Typical | Maximum | Units |
|---|---|---|---|
| Drain-Source Voltage (VDS) | -30 | -30 | V |
| Continuous Drain Current (ID) | -4.2 | -4.2 | A |
| Pulsed Drain Current (IDM) | -18 | -18 | A |
| Gate-Source Voltage (VGS) | ±12 | ±12 | V |
| On-Resistance (RDS(ON)) at VGS = -10V | < 50mΩ | < 50mΩ | mΩ |
| On-Resistance (RDS(ON)) at VGS = -4.5V | < 60mΩ | < 60mΩ | mΩ |
| On-Resistance (RDS(ON)) at VGS = -2.5V | < 85mΩ | < 85mΩ | mΩ |
| Gate Threshold Voltage (VGS(th)) | -0.7 to -1.3 | -0.7 to -1.3 | V |
| Input Capacitance (Ciss) | 645 pF | 645 pF | pF |
| Output Capacitance (Coss) | 80 pF | 80 pF | pF |
| Cross-Capacitance (Crss) | 55 pF | 55 pF | pF |
| Junction-to-Ambient Thermal Resistance (RθJA) | 70 °C/W | 100 °C/W | °C/W |
| Junction and Storage Temperature Range | -55 to 150 | -55 to 150 | °C |
Key Features
- Advanced trench technology for low RDS(ON) and low gate charge.
- Operation with gate voltages as low as 2.5V.
- High continuous drain current of up to -4.2A.
- Pulsed drain current capability of up to -18A.
- Low input, output, and cross-capacitances.
- Suitable for use as a load switch or in PWM applications.
- Compact SOT23 package.
Applications
- Load switching in various electronic circuits.
- Pulse Width Modulation (PWM) applications.
- General power management and control circuits.
- DC-DC converters and power supplies.
- Motor control and drive circuits.
Q & A
- What is the maximum drain-source voltage (VDS) of the AO3401A?
The maximum drain-source voltage (VDS) is -30V.
- What is the typical on-resistance (RDS(ON)) at VGS = -10V?
The typical on-resistance (RDS(ON)) at VGS = -10V is less than 50mΩ.
- What is the continuous drain current (ID) rating at 25°C?
The continuous drain current (ID) rating at 25°C is up to -4.2A.
- What is the gate threshold voltage (VGS(th)) range?
The gate threshold voltage (VGS(th)) range is from -0.7V to -1.3V.
- What is the junction-to-ambient thermal resistance (RθJA)?
The junction-to-ambient thermal resistance (RθJA) is typically 70 °C/W and maximally 100 °C/W.
- What are the typical applications of the AO3401A?
The AO3401A is typically used in load switching, PWM applications, general power management, DC-DC converters, and motor control circuits.
- What is the package type of the AO3401A?
The AO3401A is packaged in the SOT23 format.
- What is the maximum junction and storage temperature range?
The maximum junction and storage temperature range is from -55°C to 150°C.
- What is the pulsed drain current (IDM) rating?
The pulsed drain current (IDM) rating is up to -18A.
- What are the input, output, and cross-capacitances of the AO3401A?
The input capacitance (Ciss) is 645 pF, the output capacitance (Coss) is 80 pF, and the cross-capacitance (Crss) is 55 pF.
