aat3125 Datasheet - Analogdevices
The AAT3125 is a charge pump DC/DC converter designed for handheld applications. It provides high efficiency and low noise, making it suitable for powering RF...
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📝 Component Overview
The AAT3125 is a charge pump DC/DC converter designed for handheld applications. It provides high efficiency and low noise, making it suitable for powering RF circuits and other noise-sensitive applications. The device operates over a wide input voltage range and can deliver output currents up to 100mA.
Key Features and Benefits
- High efficiency charge pump DC/DC converter
- Low noise operation
- Wide input voltage range
- Up to 100mA output current
- Small QFN44-16 package
- Low quiescent current
- Over-temperature protection
- Short-circuit protection
Typical Applications
- Handheld devices
- RF circuits
- Noise-sensitive applications
- Portable electronics
- Wireless devices
- Audio equipment
- Medical 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 | VIN = 3.6V, VOUT = 5V, IOUT = 50mA | 80% | 85% | 90% | % |
| Output Voltage | VIN = 3.6V, IOUT = 50mA | 4.9V | 5V | 5.1V | V |
Package Information
- QFN44-16: 16-pin QFN package
Pin Configuration
- Pin 1: VIN - Input voltage pin
- Pin 2: GND - Ground pin
🔧 Application Guidelines
Design Considerations
The AAT3125 should be used in applications where high efficiency and low noise are required. The device is suitable for powering RF circuits and other noise-sensitive applications. The input voltage range is wide, making it suitable for use with a variety of power sources.
Installation Guidelines
The AAT3125 should be mounted on a PCB with adequate thermal dissipation. The device is sensitive to noise, so it is recommended to use a noise-reducing capacitor on the input and output pins.
Operational Notes
The AAT3125 has built-in over-temperature protection and short-circuit protection. However, it is still important to ensure that the device is not operated outside of its recommended operating conditions.