LM2575T-3.3 switching regulator
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Description: The LM2575T-3.3 is a step-down (buck) switching regulator designed to provide a stable 3.3V output from a higher input voltage. It is an efficient and reliable solution for powering various electronic devices and circuits. This regulator offers advantages such as higher efficiency, reduced heat dissipation, and compact design compared to traditional linear regulators. It is suitable for use in industrial, automotive, and consumer electronics applications.
Key Features:
- Fixed 3.3V output voltage
- High efficiency up to 88%
- Wide input voltage range
- Internal thermal shutdown and current limit protection
- Requires a minimal number of external components
- Available in a TO-220 package for effective heat dissipation
- Simple design and easy to implement
- RoHS compliant
- Input Voltage Range: 4V to 40V
- Output Voltage: 3.3V (fixed)
- Output Current: Up to 1A (depending on heat sinking and input-output differential)
- Switching Frequency: 52 kHz typical
- Efficiency: Up to 88%
- Operating Temperature Range: -40°C to +125°C
- Package Type: TO-220
- Line Regulation: ±0.5%
- Load Regulation: ±0.5%
- DC-DC converters
- Power supplies for industrial and automotive applications
- Battery chargers
- Embedded systems
- Consumer electronics
- Telecom and networking equipment
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