aat1275 Datasheet - Analogictech
The AAT1275 is a high efficiency, synchronous, step-down converter that delivers up to 2A of output current.
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📝 Component Overview
The AAT1275 is a high efficiency, synchronous, step-down converter that delivers up to 2A of output current. It is designed for applications where high efficiency, small size, and low noise are required. The device operates at a fixed frequency of 2MHz, allowing the use of small, low cost inductors and capacitors. The AAT1275 is available in a compact TSOPJW-12 package, making it ideal for handheld devices and other space-constrained applications.
Key Features and Benefits
- High efficiency synchronous step-down converter
- Delivers up to 2A of output current
- Operates at a fixed frequency of 2MHz
- Compact TSOPJW-12 package
- Low noise and small size
- Ideal for handheld devices and space-constrained applications
- Input voltage range: 2.7V to 5.5V
- Output voltage range: 0.6V to 5V
Typical Applications
- Handheld devices
- Smartphones
- Tablets
- Portable media players
- Digital cameras
- GPS devices
- Wireless sensors
📊 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 | VIN = 3.6V, VOUT = 1.8V, IOUT = 1A | 85% | 90% | 92% | % |
| Output Voltage Accuracy | VIN = 3.6V, VOUT = 1.8V, IOUT = 1A | -2% | 0% | 2% | % |
Package Information
- TSOPJW-12: Compact package with 12 pins
Pin Configuration
- Pin 1: VIN - Input voltage pin
- Pin 2: GND - Ground pin
🔧 Application Guidelines
Design Considerations
The AAT1275 is a high efficiency, synchronous, step-down converter that requires careful design consideration to ensure optimal performance. The device operates at a fixed frequency of 2MHz, allowing the use of small, low cost inductors and capacitors. The input voltage range is 2.7V to 5.5V, and the output voltage range is 0.6V to 5V.
Installation Guidelines
The AAT1275 is available in a compact TSOPJW-12 package, making it ideal for handheld devices and other space-constrained applications. The device should be mounted on a printed circuit board (PCB) with adequate thermal dissipation to ensure reliable operation.
Operational Notes
The AAT1275 is a high efficiency device that requires careful attention to thermal management to ensure reliable operation. The device should be operated within the recommended temperature range of -40°C to 85°C to prevent damage or degradation.