aat4620 Datasheet - Analogictech
The AAT4620 is a high-side load switch designed for applications where high-side switching is needed.
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📝 Component Overview
The AAT4620 is a high-side load switch designed for applications where high-side switching is needed. It has a low on-resistance and can handle high currents, making it suitable for a variety of applications including USB ports, memory cards, and other high-current devices. The device also features overcurrent protection, thermal shutdown, and an enable pin for easy control.
Key Features and Benefits
- High-side load switch
- Low on-resistance (typically 80mΩ)
- High current capability (up to 2A)
- Overcurrent protection
- Thermal shutdown
- Enable pin for easy control
- Low quiescent current (typically 10μA)
- Available in TSOPJW-12 package
Typical Applications
- USB ports
- Memory cards
- High-current devices
- Power management systems
- Portable electronics
- Wireless devices
📊 Complete Technical Specifications
Absolute Maximum Ratings
| Parameter | Value |
|---|---|
| Operating Temperature | -40°C to +85°C |
| Storage Temperature | -40°C to +150°C |
| Input Voltage | 2.5V to 5.5V |
Electrical Characteristics
| Parameter | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| On-Resistance | VCC = 5V, IOUT = 1A | 60mΩ | 80mΩ | 100mΩ | mΩ |
| Quiescent Current | VCC = 5V, Enable = High | 5μA | 10μA | 20μA | μA |
Package Information
- TSOPJW-12: 12-pin TSOPJW package
Pin Configuration
- Pin 1: VIN - Input voltage pin
- Pin 2: GND - Ground pin
- Pin 3: OUT - Output pin
- Pin 4: ENABLE - Enable pin
🔧 Application Guidelines
Design Considerations
When designing with the AAT4620, consider the high current capability and low on-resistance. Ensure the PCB layout can handle the high currents and thermal dissipation. Also, consider the enable pin for easy control and the overcurrent protection for safe operation.
Installation Guidelines
The AAT4620 is available in a TSOPJW-12 package. Ensure proper soldering techniques are used to prevent damage to the device. Follow the recommended PCB layout to minimize thermal resistance and ensure reliable operation.
Operational Notes
The AAT4620 is designed for high-side switching applications. Ensure the input voltage is within the specified range and the output is properly connected to the load. Also, consider the thermal shutdown and overcurrent protection features to prevent damage to the device or the load.