The LM2596T-12 is a step-down (buck) switching regulator IC capable of converting higher input voltages into a lower output voltage. It is designed to provide a fixed output voltage of 12V with high efficiency and low ripple. The LM2596T-12 is widely used in applications where efficient voltage conversion and regulation are required, such as in power supplies, battery chargers, LED drivers, and other electronic devices.
Key Features:
- Output Voltage: 12V fixed
- Output Current: Up to 3A (with adequate heatsinking)
- Input Voltage Range: 4.5V to 40V
- Efficiency: Up to 92%
- Adjustable Output Version Available: LM2596 Adjustable Version
- Switching Frequency: 150 kHz (typical)
- Short Circuit Protection: Limits current during short circuit conditions
- Thermal Shutdown: Protects against overheating
- Low Quiescent Current: Typically 5mA
- Adjustment Pin Current: Typically 100µA
- Temperature Range: -40°C to +125°C
- Package: TO-220 (Standard), TO-263 (D2PAK), and other variants
- Load Regulation: Typically 0.1%
- Line Regulation: Typically 0.5%
- Ripple Rejection: Typically 60dB
- Switching Regulator Type: Step-Down (Buck)
- Power Supplies: Ideal for generating 12V power rails in various electronic circuits.
- LED Drivers: Used in LED lighting applications requiring constant voltage power supplies.
- Battery Chargers: Provides regulated voltage for charging batteries.
- DC-DC Converters: Converts higher voltage DC sources to 12V for specific applications.
- Consumer Electronics: Applied in various consumer electronic devices requiring stable 12V power.
- Industrial Control Systems: Used in industrial automation and control systems.