aat2505 Datasheet - Analogictech
The AAT2505 is a low dropout (LDO) linear regulator designed for handheld devices and other battery-powered systems.
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📝 Component Overview
The AAT2505 is a low dropout (LDO) linear regulator designed for handheld devices and other battery-powered systems. It provides a high accuracy output voltage with low noise and high power supply rejection ratio (PSRR). The device is available in a small 12-pin package, making it suitable for space-constrained applications.
Key Features and Benefits
- Low dropout voltage: 400mV at 300mA
- High accuracy output voltage: ±1%
- Low noise: 30μVrms
- High PSRR: 60dB at 1kHz
- Low quiescent current: 100μA
- Thermal shutdown protection
- Current limit protection
Typical Applications
- Handheld devices
- Battery-powered systems
- Portable electronics
- Wireless devices
- Audio equipment
- Medical 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 |
|---|---|---|---|---|---|
| Output Voltage Accuracy | At 25°C | ±1% | ±1% | ±1% | % |
| Dropout Voltage | At 300mA | 300mV | 400mV | 500mV | mV |
Package Information
- 12-pin: The device is available in a 12-pin package, making it suitable for space-constrained applications.
Pin Configuration
- Pin 1: VIN - Input voltage
- Pin 2: GND - Ground
🔧 Application Guidelines
Design Considerations
The AAT2505 is designed for use in handheld devices and other battery-powered systems. It provides a high accuracy output voltage with low noise and high PSRR, making it suitable for applications where low power consumption is critical.
Installation Guidelines
The device should be mounted on a PCB with adequate thermal dissipation. The input and output capacitors should be placed as close as possible to the device.
Operational Notes
The device is protected against thermal shutdown and current limit. However, it is still important to ensure that the device is not operated outside its recommended operating conditions.