LM2575T-12 switching regulator
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Description: The LM2575T-12 is a highly efficient switching regulator integrated circuit (IC) capable of converting high input voltages down to a stable 12V output with high efficiency. This regulator is suitable for various applications where a reliable and efficient power conversion is needed, such as in industrial, automotive, and consumer electronic devices. It offers significant advantages over linear regulators, including higher efficiency, lower heat dissipation, and smaller size.
Key Features:
- Wide input voltage range
- Fixed 12V output voltage
- High efficiency up to 80%
- Internal thermal shutdown and current limit protection
- Simple external components for easy design implementation
- Adjustable output version available (LM2575 Adjustable)
- TO-220 package for effective heat dissipation
- Input Voltage Range: Up to 40V (depends on specific model)
- Output Voltage: 12V (fixed)
- Output Current: Up to 1A (depending on heatsinking and input-output differential)
- Switching Frequency: 52 kHz typical
- Efficiency: Up to 80%
- Operating Temperature Range: 0°C to +125°C
- Package Type: TO-220
- DC-DC converters
- Power supplies for industrial and automotive applications
- Battery chargers
- LED drivers
- Telecom and networking equipment
- Consumer electronics
Technical Specifications:
- Logic Family: CMOS
- Number of Channels: 3
- Switch Configuration: Single-Pole Double-Throw (SPDT)
- Supply Voltage Range: 3V to 15V
- “ON” Resistance (R_ON): 125Ω typical at V_DD = 10V
- “OFF” Leakage Current (I_OFF): ±100pA typical at V_DD = 10V
- Control Input Voltage (V_IH): 0.7 V_DD min, 0.3 V_DD max
- Maximum Operating Frequency: 40 MHz at V_DD = 10V
Applications:
- Signal routing and switching
- Analog and digital multiplexing
- Audio and video signal processing
- Data acquisition systems
- Test equipment