aat4608 Datasheet - Analogictech
The AAT4608 is a current-limiting power switch designed for applications where high current and low on-resistance are required.
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📝 Component Overview
The AAT4608 is a current-limiting power switch designed for applications where high current and low on-resistance are required. It features an internal current limit to prevent damage to the switch in the event of a short circuit. The device is available in a 5-pin SOT-23 package and operates over a wide input voltage range.
Key Features and Benefits
- High current capability with low on-resistance
- Internal current limit for short circuit protection
- Wide input voltage range
- Available in 5-pin SOT-23 package
- Low quiescent current
- Overcurrent protection
- Thermal shutdown
- Undervoltage lockout
- High-side load switch
Typical Applications
- Notebook computers
- Peripheral devices
- Portable electronics
- Power management systems
- Load switching
- Current limiting
- Short circuit protection
📊 Complete Technical Specifications
Absolute Maximum Ratings
| Parameter | Value |
|---|---|
| Input Voltage | 5.5V |
| Operating Temperature | -40°C to 85°C |
| Storage Temperature | -55°C to 150°C |
Electrical Characteristics
| Parameter | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| On-Resistance | V_IN = 5V, I_OUT = 1A | 0.15Ω | 0.20Ω | 0.25Ω | Ω |
| Quiescent Current | V_IN = 5V, No load | 10μA | 20μA | 30μA | μA |
Package Information
- SOT-23: 5-pin SOT-23 package
Pin Configuration
- Pin 1: VIN - Input voltage
- Pin 2: VOUT - Output voltage
- Pin 3: GND - Ground
- Pin 4: EN - Enable input
- Pin 5: NC - No connection
🔧 Application Guidelines
Design Considerations
The AAT4608 should be used in applications where high current and low on-resistance are required. The device is suitable for use in notebook computers, peripheral devices, and portable electronics. Care should be taken to ensure the device is properly heatsinked to prevent overheating.
Installation Guidelines
The AAT4608 is available in a 5-pin SOT-23 package and can be mounted directly to a printed circuit board. The device should be handled with care to prevent damage to the leads or package.
Operational Notes
The AAT4608 is a high-side load switch and should be used in applications where the load is connected between the switch and ground. The device has an internal current limit to prevent damage in the event of a short circuit.