aat3113 Datasheet - Analogictech
The AAT3113 is a high efficiency, constant frequency, current mode step-up converter designed for battery-powered applications.
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📝 Component Overview
The AAT3113 is a high efficiency, constant frequency, current mode step-up converter designed for battery-powered applications. It can deliver up to 20mA of load current while maintaining high efficiency and low noise. The device features a 1.5MHz switching frequency, allowing the use of small external components.
Key Features and Benefits
- High Efficiency: Up to 90% efficiency at heavy loads
- Constant Frequency: 1.5MHz switching frequency for small component size
- Low Noise: Optimized for low electromagnetic interference
- High Accuracy: ±5% output voltage accuracy
- Low Dropout: Maintains regulation down to low input voltages
- Overcurrent Protection: Prevents damage from excessive load current
- Thermal Shutdown: Protects the device from overheating
Typical Applications
- Battery-Powered Devices
- Portable Electronics
- Wireless Handsets
- PDAs and Smartphones
- Digital Cameras
- MP3 Players
- GPS Devices
📊 Complete Technical Specifications
Absolute Maximum Ratings
| Parameter | Value |
|---|---|
| Input Voltage | 6V |
| Operating Temperature | -40°C to 85°C |
| Storage Temperature | -40°C to 150°C |
Electrical Characteristics
| Parameter | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Efficiency | V_IN = 3.6V, I_OUT = 10mA | 80% | 85% | 90% | % |
| Output Voltage Accuracy | V_IN = 3.6V, I_OUT = 10mA | -5% | 0% | 5% | % |
Package Information
- TSOPJW-12: 12-pin, thin small outline package
Pin Configuration
- Pin 1: VIN - Input voltage pin
- Pin 2: GND - Ground pin
🔧 Application Guidelines
Design Considerations
The AAT3113 requires careful selection of external components to ensure optimal performance. The input capacitor should be placed as close as possible to the device, and the output capacitor should be selected based on the desired output voltage ripple.
Installation Guidelines
The device should be mounted on a PCB with adequate thermal dissipation. The recommended footprint is provided in the datasheet. Ensure all connections are secure and meet the recommended soldering guidelines.
Operational Notes
The AAT3113 has built-in overcurrent protection and thermal shutdown. However, it is still important to follow proper design and testing procedures to ensure reliable operation and prevent damage to the device or surrounding components.