aat8543 Datasheet - Analogictech
The AAT8543 is a power management integrated circuit designed for battery-powered applications.
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📝 Component Overview
The AAT8543 is a power management integrated circuit designed for battery-powered applications. It features low power consumption, high efficiency, and a small footprint, making it suitable for use in portable devices such as cellular phones and other handheld equipment.
Key Features and Benefits
- Low power consumption
- High efficiency
- Small footprint
- Suitable for battery-powered applications
- High current capability
- Low dropout voltage
- Overcurrent protection
- Thermal shutdown
Typical Applications
- Cellular phones
- Portable devices
- Handheld equipment
- Battery-powered systems
- Low power consumer electronics
📊 Complete Technical Specifications
Absolute Maximum Ratings
| Parameter | Value |
|---|---|
| Input Voltage | 5.5V |
| Operating Temperature | -40°C to 85°C |
| Storage Temperature | -40°C to 150°C |
Electrical Characteristics
| Parameter | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Output Voltage | VIN = 3.6V, IOUT = 100mA | 2.7V | 3.0V | 3.3V | V |
| Dropout Voltage | VIN = 3.6V, IOUT = 1A | 0.2V | 0.3V | 0.4V | V |
Package Information
- SC70JW-8: 8-pin SC70JW package
- TSOP-6: 6-pin TSOP package
Pin Configuration
- Pin 1: VIN - Input voltage
- Pin 2: GND - Ground
- Pin 3: VOUT - Output voltage
- Pin 4: EN - Enable input
- Pin 5: FB - Feedback input
- Pin 6: NC - No connection
- Pin 7: NC - No connection
- Pin 8: NC - No connection
🔧 Application Guidelines
Design Considerations
The AAT8543 is designed to provide high efficiency and low power consumption. To achieve optimal performance, it is recommended to use a high quality input capacitor and to minimize the trace length between the input capacitor and the AAT8543.
Installation Guidelines
The AAT8543 is available in a SC70JW-8 and TSOP-6 package. When installing the AAT8543, ensure that the package is properly soldered to the PCB to prevent thermal issues.
Operational Notes
The AAT8543 has a built-in overcurrent protection circuit that will shut down the device in case of an overcurrent condition. Additionally, the device has a thermal shutdown feature that will turn off the device if the junction temperature exceeds 150°C.