aat1351 Datasheet - Analogdevices
The AAT1351 is a 2-channel, high efficiency, step-down DC-DC converter designed for portable applications.
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📝 Component Overview
The AAT1351 is a 2-channel, high efficiency, step-down DC-DC converter designed for portable applications. It operates from an input voltage range of 2.7V to 5.5V and can deliver up to 800mA of output current per channel. 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
- 2-channel step-down DC-DC converter
- High efficiency: up to 95%
- Low dropout voltage: 300mV
- Small footprint: SOP-16 package
- Low noise: <10mVrms
- High output current: up to 800mA per channel
- Input voltage range: 2.7V to 5.5V
- Output voltage range: 0.6V to 5.0V
Typical Applications
- Portable electronics
- Handheld devices
- Mobile phones
- Tablet computers
- Laptops
- Wearable devices
- IoT devices
📊 Complete Technical Specifications
Absolute Maximum Ratings
| Parameter | Value |
|---|---|
| Input Voltage | 5.5V |
| Output Current | 800mA per channel |
| Operating Temperature | -40°C to +85°C |
Electrical Characteristics
| Parameter | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Efficiency | VIN = 3.6V, VOUT = 1.8V, IOUT = 400mA | 90% | 95% | 98% | % |
| Output Voltage Tolerance | VIN = 3.6V, VOUT = 1.8V, IOUT = 400mA | -2% | 0% | 2% | % |
Package Information
- SOP-16: 16-lead SOP package
Pin Configuration
- Pin 1: VIN - Input voltage
- Pin 2: GND - Ground
🔧 Application Guidelines
Design Considerations
The AAT1351 is designed for use in portable applications where high efficiency and low noise are required. The device should be mounted on a thermally conductive PCB to ensure proper heat dissipation.
Installation Guidelines
The AAT1351 should be handled with care to avoid damage to the device or the PCB. The device should be soldered to the PCB using a soldering iron with a temperature of 250°C to 300°C.
Operational Notes
The AAT1351 is a high efficiency device and should be operated within the specified input voltage and output current ranges to ensure proper operation and to prevent damage to the device.