aat2842 Datasheet - Analogictech
The AAT2842 is a high-performance, low-dropout linear regulator designed for powering analog, digital, or RF circuits in battery-powered devices.
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📝 Component Overview
The AAT2842 is a high-performance, low-dropout linear regulator designed for powering analog, digital, or RF circuits in battery-powered devices. It features a very low dropout voltage, low noise, and high output current capability, making it suitable for a wide range of applications including mobile phones, PDAs, and other portable electronics.
Key Features and Benefits
- High Output Current: Up to 200mA
- Low Dropout Voltage: 200mV at 200mA
- Low Noise: 30uVrms
- High Accuracy: +/-2% Over Temperature
- Low Quiescent Current: 30uA
- Enable/Shutdown Function
- Over-Temperature Protection
Typical Applications
- Mobile Phones
- PDAs and Handheld Computers
- Portable Audio and Video Players
- Digital Cameras
- Wireless Headsets
- Bluetooth Devices
📊 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 = 3.5V, IOUT = 100mA | 2.5V | 2.75V | 3.0V | V |
| Dropout Voltage | VIN = 3.5V, IOUT = 200mA | 150mV | 200mV | 250mV | mV |
Package Information
- 4x4mm TDFN: Thin Dual Flat No-Lead Package
Pin Configuration
- Pin 1: VIN - Input Voltage
- Pin 2: GND - Ground
- Pin 3: VOUT - Output Voltage
- Pin 4: EN - Enable/Shutdown
🔧 Application Guidelines
Design Considerations
The AAT2842 is designed to be used in applications where high output current and low dropout voltage are required. The device should be mounted on a thermally conductive board to ensure proper heat dissipation.
Installation Guidelines
The AAT2842 should be handled with care to prevent damage to the device. The device should be stored in a dry, cool place, away from direct sunlight.
Operational Notes
The AAT2842 is a linear regulator and should not be used in applications where high switching frequencies are required. The device is designed to operate within the specified temperature range and should not be exposed to temperatures outside this range.