ahk1117 Datasheet - Analogictech
The AHK1117 is a low dropout linear voltage regulator designed for use in a wide range of applications.
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📝 Component Overview
The AHK1117 is a low dropout linear voltage regulator designed for use in a wide range of applications. It offers high accuracy, low noise, and high ripple rejection, making it suitable for powering sensitive electronics. The regulator is available in various packages, including SOT-223 and TO-220, and can be adjusted to provide output voltages from 1.2V to 12V.
Key Features and Benefits
- Low Dropout Voltage: 1.2V
- High Accuracy: ±1%
- Low Noise: 10uVrms
- High Ripple Rejection: 60dB
- Adjustable Output Voltage: 1.2V to 12V
- Thermal Shutdown Protection
- Current Limiting Protection
Typical Applications
- Power Supplies
- Battery Chargers
- Voltage Regulator Modules
- Point of Load (POL) Regulators
- Industrial Control Systems
- Medical Devices
- Telecommunication Equipment
📊 Complete Technical Specifications
Absolute Maximum Ratings
| Parameter | Value |
|---|---|
| Input Voltage | 15V |
| Operating Temperature | -40°C to 125°C |
| Storage Temperature | -55°C to 150°C |
Electrical Characteristics
| Parameter | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Output Voltage Accuracy | At 25°C | ±0.5% | ±1% | ±2% | % |
| Line Regulation | Vin = 2.5V to 12V | 0.1 | 0.2 | 0.5 | mV/V |
Package Information
- SOT-223: Surface Mount Package
- TO-220: Through-Hole Package
Pin Configuration
- Pin 1: Vin - Input Voltage
- Pin 2: Vout - Output Voltage
- Pin 3: GND - Ground
🔧 Application Guidelines
Design Considerations
When designing with the AHK1117, consider the input voltage, output voltage, and output current requirements. Ensure the regulator is properly heatsinked to maintain a safe operating temperature.
Installation Guidelines
Mount the regulator on a suitable heatsink, ensuring good thermal contact. Connect the input and output capacitors as close to the regulator as possible to minimize noise and improve stability.
Operational Notes
The AHK1117 is a linear regulator and may generate heat during operation. Ensure adequate airflow and consider using a thermal interface material to improve heat transfer.