aat2806 Datasheet - Analogictech
The AAT2806 is a high efficiency, 1MHz, 1X to 4X adjustable output, current mode, boost converter for backlight and other applications.
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📝 Component Overview
The AAT2806 is a high efficiency, 1MHz, 1X to 4X adjustable output, current mode, boost converter for backlight and other applications. It operates from a single cell lithium-ion battery and can deliver up to 120mA of output current. The device features a low dropout voltage, high efficiency, and a small footprint, making it suitable for portable electronics and other space-constrained applications.
Key Features and Benefits
- High efficiency, 1MHz, 1X to 4X adjustable output
- Current mode, boost converter for backlight and other applications
- Operates from a single cell lithium-ion battery
- Delivers up to 120mA of output current
- Low dropout voltage, high efficiency, and small footprint
- Suitable for portable electronics and other space-constrained applications
Typical Applications
- Backlighting for LCD displays
- Portable electronics, such as mobile phones and PDAs
- Other space-constrained applications, such as digital cameras and 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 |
|---|---|---|---|---|---|
| Efficiency | VIN = 3.6V, VOUT = 5V, IOUT = 100mA | 80% | 85% | 90% | % |
| Output Voltage | VIN = 3.6V, IOUT = 100mA | 4.5V | 5V | 5.5V | V |
Package Information
- TDFN44-16: 16-pin TDFN package with a thermal via
Pin Configuration
- Pin 1: VIN - Input voltage pin
- Pin 2: GND - Ground pin
🔧 Application Guidelines
Design Considerations
The AAT2806 is a high efficiency, 1MHz, 1X to 4X adjustable output, current mode, boost converter. It is designed to operate from a single cell lithium-ion battery and can deliver up to 120mA of output current. The device features a low dropout voltage, high efficiency, and a small footprint, making it suitable for portable electronics and other space-constrained applications.
Installation Guidelines
The AAT2806 is available in a 16-pin TDFN44 package. It is recommended to use a thermal via to improve thermal performance. The device should be mounted on a PCB with a sufficient thermal mass to ensure reliable operation.
Operational Notes
The AAT2806 is a boost converter and requires an input capacitor to filter the input voltage. The output capacitor should be selected based on the output voltage and current requirements. The device also features a soft-start function to prevent inrush current during startup.