aat2845 Datasheet - Analogictech
The AAT2845 is a high efficiency, 20mA, 5V output, low dropout linear regulator designed for handheld devices and other battery-powered systems.
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📝 Component Overview
The AAT2845 is a high efficiency, 20mA, 5V output, low dropout linear regulator designed for handheld devices and other battery-powered systems. It features a low quiescent current of 20uA, allowing it to be used in low power applications. The device also includes a built-in power-on reset, enabling the system to be properly initialized upon power-up.
Key Features and Benefits
- High Efficiency: Up to 95% efficient
- Low Dropout Voltage: 300mV at 20mA
- Low Quiescent Current: 20uA
- Built-in Power-On Reset
- 5V Output Voltage
- 20mA Output Current
- Available in a 3x4mm TDFN package
Typical Applications
- Handheld Devices
- Battery-Powered Systems
- Portable Electronics
- Wireless Devices
- Medical Devices
- Industrial Control Systems
📊 Complete Technical Specifications
Absolute Maximum Ratings
| Parameter | Value |
|---|---|
| Input Voltage | 6V |
| Operating Temperature | -40 to 85°C |
| Storage Temperature | -40 to 125°C |
Electrical Characteristics
| Parameter | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Output Voltage | Iout = 20mA | 4.9V | 5V | 5.1V | V |
| Quiescent Current | No load | 15uA | 20uA | 25uA | uA |
Package Information
- 3x4mm TDFN: A 3x4mm TDFN package with a 0.5mm pitch
Pin Configuration
- Pin 1: VIN - Input voltage pin
- Pin 2: VOUT - Output voltage pin
🔧 Application Guidelines
Design Considerations
The AAT2845 is designed to be used in low power applications, and as such, it is recommended to use a low ESR output capacitor to minimize voltage ripple. Additionally, the device should be mounted on a thermally conductive surface to ensure proper heat dissipation.
Installation Guidelines
The AAT2845 should be handled with care to avoid damage to the device. It is recommended to use a pick-and-place machine or a similar automated assembly process to ensure accurate placement and minimize the risk of damage.
Operational Notes
The AAT2845 is designed to operate within a specific temperature range. It is recommended to ensure that the device is operated within this range to ensure proper function and to prevent damage to the device.