aat1204 Datasheet - Analogictech
The AAT1204 is a low dropout linear regulator designed for portable applications where high efficiency and low noise are required.
📖 Datasheet Preview
⬇️ Download Complete Datasheet
Get the full 13-page technical datasheet in PDF format
📝 Component Overview
The AAT1204 is a low dropout linear regulator designed for portable applications where high efficiency and low noise are required. It operates from an input voltage range of 2.5V to 5.5V and can supply up to 400mA of output current. The device features a very low dropout voltage, making it suitable for battery-powered devices. Additionally, it has a low quiescent current, which helps in prolonging battery life. The AAT1204 is available in a small SOT23-5 package, making it ideal for space-constrained designs.
Key Features and Benefits
- Low Dropout Voltage
- High Efficiency
- Low Noise
- Low Quiescent Current
- Small SOT23-5 Package
- Input Voltage Range: 2.5V to 5.5V
- Output Current: Up to 400mA
Typical Applications
- Portable Electronics
- Battery-Powered Devices
- Wireless Handsets
- PDAs
- Digital Cameras
- MP3 Players
📊 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 |
|---|---|---|---|---|---|
| Dropout Voltage | IOUT = 400mA | 0.3V | 0.4V | 0.5V | V |
| Quiescent Current | No Load | 50uA | 70uA | 100uA | A |
Package Information
- SOT23-5: Small outline transistor package with 5 leads
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
When designing with the AAT1204, consider the input and output capacitors carefully to ensure stability and optimal performance. The input capacitor should be at least 1uF, and the output capacitor should be at least 2.2uF. Additionally, the device should be placed close to the battery to minimize voltage drops.
Installation Guidelines
The AAT1204 is a surface mount device and should be handled with care to avoid damage. It is recommended to use a soldering iron with a temperature-controlled tip to prevent overheating the device. The device should be soldered to a PCB with a solder mask to prevent solder bridges.
Operational Notes
The AAT1204 is designed to operate in a wide range of temperatures. However, the device should not be exposed to temperatures above 150°C for an extended period. Additionally, the device should not be subjected to high voltage spikes or surges, as this can damage the internal circuitry.