aat1156 Datasheet - Analogictech
The AAT1156 is a high efficiency, step-down DC-DC converter designed for portable applications.
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📝 Component Overview
The AAT1156 is a high efficiency, step-down DC-DC converter designed for portable applications. It operates from an input voltage range of 2.5V to 5.5V and can deliver an output current of up to 1A. The device features a low dropout voltage, high efficiency, and a small footprint, making it suitable for use in handheld devices, mobile phones, and other portable electronics.
Key Features and Benefits
- High efficiency step-down DC-DC converter
- Input voltage range: 2.5V to 5.5V
- Output current: up to 1A
- Low dropout voltage
- Small footprint
- Suitable for portable applications
Typical Applications
- Handheld devices
- Mobile phones
- Portable electronics
- PDAs
- Notebook computers
📊 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 |
|---|---|---|---|---|---|
| Efficiency | Vout = 3.3V, Iout = 1A | 85% | 90% | 92% | % |
| Output Voltage Tolerance | Vout = 3.3V | -2% | 0% | 2% | % |
Package Information
- QFN33-16: 16-pin QFN package
Pin Configuration
- Pin 1: VIN - Input voltage
- Pin 2: GND - Ground
🔧 Application Guidelines
Design Considerations
The AAT1156 is designed to be used in a variety of applications, including handheld devices, mobile phones, and portable electronics. When designing with the AAT1156, it is recommended to follow proper PCB layout guidelines to ensure optimal performance and efficiency.
Installation Guidelines
The AAT1156 is available in a QFN33-16 package and can be installed using standard SMT assembly techniques. It is recommended to follow the manufacturer's guidelines for soldering and rework.
Operational Notes
The AAT1156 is a high efficiency step-down DC-DC converter and should be operated within the recommended input voltage and output current ranges. It is also recommended to follow proper thermal management guidelines to ensure optimal performance and reliability.