aat3110 Datasheet - Analogictech
The AAT3110 is a high efficiency, step-up converter designed for handheld devices such as cell phones, PDAs, and digital cameras.
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📝 Component Overview
The AAT3110 is a high efficiency, step-up converter designed for handheld devices such as cell phones, PDAs, and digital cameras. It operates at a high switching frequency, allowing the use of small external components while maintaining high efficiency. The device can deliver up to 150mA of output current and has a maximum input voltage of 5.5V.
Key Features and Benefits
- High efficiency step-up converter
- Delivers up to 150mA of output current
- Maximum input voltage of 5.5V
- Operates at a high switching frequency
- Small external components
- High efficiency
- Low dropout voltage
- Over-temperature protection
- Short-circuit protection
Typical Applications
- Handheld devices
- Cell phones
- PDAs
- Digital cameras
- Portable media players
- GPS devices
- Wireless headsets
📊 Complete Technical Specifications
Absolute Maximum Ratings
| Parameter | Value |
|---|---|
| Input Voltage | 5.5V |
| Output Current | 150mA |
| Operating Temperature | -40°C to 85°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 | 4.9V | 5V | 5.1V | V |
Package Information
- SC70JW-6: 6-pin SC70JW package
- SOT23-6: 6-pin SOT23 package
Pin Configuration
- Pin 1: VIN - Input voltage
- Pin 2: GND - Ground
- Pin 3: VOUT - Output voltage
- Pin 4: FB - Feedback
- Pin 5: EN - Enable
- Pin 6: NC - No connection
🔧 Application Guidelines
Design Considerations
The AAT3110 is designed to be a high efficiency step-up converter. To achieve the highest efficiency, it is recommended to use a high frequency capacitor with low ESR. The device also has a built-in over-temperature protection circuit to prevent damage from excessive heat.
Installation Guidelines
The AAT3110 is available in a SC70JW-6 and SOT23-6 package. It is recommended to use a thermal pad to improve heat dissipation. The device should be mounted on a PCB with a large ground plane to improve thermal performance.
Operational Notes
The AAT3110 has a built-in soft-start circuit to prevent inrush current during startup. The device also has a low dropout voltage to improve efficiency. It is recommended to use a capacitor with a low ESR to improve the stability of the output voltage.