aat4285 Datasheet - Analogictech
The AAT4285 is a SmartSwitch device designed for handheld applications, providing a high-side load switch with controlled turn-on and turn-off, offering...
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📝 Component Overview
The AAT4285 is a SmartSwitch device designed for handheld applications, providing a high-side load switch with controlled turn-on and turn-off, offering protection against back voltage, over-current, and over-temperature conditions. It operates from an input voltage range and is suitable for use in portable electronics such as cell phones, digital cameras, and other battery-powered devices.
Key Features and Benefits
- High-side load switch with controlled turn-on and turn-off
- Back voltage protection
- Over-current protection
- Over-temperature protection
- Low quiescent current
- High accuracy current limit
- Small package option
Typical Applications
- Handheld devices
- Portable electronics
- Cell phones
- Digital cameras
- Battery-powered devices
📊 Complete Technical Specifications
Absolute Maximum Ratings
| Parameter | Value |
|---|---|
| Input Voltage | 5.5V |
| Operating Temperature | -40°C to 85°C |
| Storage Temperature | -40°C to 150°C |
Electrical Characteristics
| Parameter | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Quiescent Current | VIN = 5V, No Load | 10 | 20 | 30 | μA |
| Current Limit | VIN = 5V | 1.2 | 1.5 | 1.8 | A |
Package Information
- SC70JW-8: 8-pin SC70JW package
Pin Configuration
- Pin 1: VIN - Input Voltage
- Pin 2: EN - Enable Input
🔧 Application Guidelines
Design Considerations
The AAT4285 should be used in applications where a high degree of reliability and protection against fault conditions is required. Proper PCB layout and thermal management are crucial for optimal performance.
Installation Guidelines
The device should be soldered onto the PCB using standard SMD reflow techniques. Ensure that the PCB layout allows for adequate heat dissipation and that the device is not subjected to mechanical stress.
Operational Notes
The AAT4285 is designed to operate within specified temperature and voltage ranges. Operation outside these ranges may result in reduced performance or device failure.