aat3119 Datasheet - Analogictech
The AAT3119 is a high efficiency, low noise, and high accuracy charge pump DC/DC converter designed for white LED backlighting applications.
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📝 Component Overview
The AAT3119 is a high efficiency, low noise, and high accuracy charge pump DC/DC converter designed for white LED backlighting applications. It can deliver up to 150mA of current and has a high efficiency of up to 90%. The device also features a low noise operation, making it suitable for use in noise sensitive applications.
Key Features and Benefits
- High efficiency up to 90%
- Low noise operation
- High accuracy current regulation
- Up to 150mA of output current
- Input voltage range of 2.7V to 5.5V
- Low dropout voltage
- Over temperature protection
- Short circuit protection
Typical Applications
- White LED backlighting for mobile phones
- LED drivers for portable devices
- Power management for handheld devices
- Battery powered devices
- Low power consumer electronics
📊 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, IOUT = 100mA | 80% | 90% | 92% | % |
| Output Voltage | VIN = 3.6V, IOUT = 100mA | 4.5V | 5V | 5.5V | V |
Package Information
- SC70JW-8: 8-pin surface mount package
Pin Configuration
- Pin 1: VIN - Input voltage pin
- Pin 2: GND - Ground pin
🔧 Application Guidelines
Design Considerations
The AAT3119 is designed to be used in a variety of applications, including white LED backlighting for mobile phones and other handheld devices. When designing with the AAT3119, it is important to consider the input voltage, output current, and efficiency requirements of the application.
Installation Guidelines
The AAT3119 is available in a SC70JW-8 package and can be installed using standard surface mount techniques. It is recommended to use a thermal pad to improve thermal performance.
Operational Notes
The AAT3119 has a number of features that make it suitable for use in a variety of applications, including over temperature protection and short circuit protection. It is also designed to be highly efficient and have low noise operation.