aat2552 Datasheet - Analogictech
The AAT2552 is a high-performance, low-dropout linear regulator designed for handheld devices and other battery-powered applications.
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📝 Component Overview
The AAT2552 is a high-performance, low-dropout linear regulator designed for handheld devices and other battery-powered applications. It provides a high accuracy output voltage with low noise and high stability, making it suitable for powering sensitive analog and digital circuits.
Key Features and Benefits
- Low Dropout Voltage: 400mV
- High Output Current: up to 300mA
- Low Noise: <10uVrms
- High Accuracy: +/-2%
- Low Quiescent Current: <50uA
- Thermal Shutdown Protection
- Overcurrent Protection
- Small SOT23-5 Package
Typical Applications
- Handheld Devices
- Smartphones
- Tablets
- Laptops
- Portable Media Players
- Wireless Headsets
- Bluetooth Devices
📊 Complete Technical Specifications
Absolute Maximum Ratings
| Parameter | Value |
|---|---|
| Input Voltage | 5.5V |
| Operating Temperature | -40 to 85°C |
| Storage Temperature | -40 to 150°C |
Electrical Characteristics
| Parameter | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Output Voltage Accuracy | At 25°C | -2% | 0% | 2% | % |
| Dropout Voltage | At 300mA | 0.3V | 0.4V | 0.5V | V |
Package Information
- SOT23-5: Small 5-lead package
Pin Configuration
- Pin 1: VIN - Input Voltage
- Pin 2: GND - Ground
- Pin 3: VOUT - Output Voltage
- Pin 4: NC - No Connection
- Pin 5: EN - Enable
🔧 Application Guidelines
Design Considerations
The AAT2552 is designed for use in handheld devices and other battery-powered applications. It is recommended to use a 1uF ceramic capacitor at the input and a 2.2uF ceramic capacitor at the output for stability.
Installation Guidelines
The AAT2552 is available in a small SOT23-5 package, making it suitable for use in space-constrained applications. It is recommended to follow standard PCB layout guidelines for linear regulators.
Operational Notes
The AAT2552 has a thermal shutdown protection feature that will turn off the regulator if the junction temperature exceeds 150°C. It is recommended to ensure good thermal conductivity to the PCB and surrounding components.