LM2575T-ADJ switching regulator
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Description: The LM2575T-ADJ is a versatile switching regulator integrated circuit (IC) designed to provide a regulated adjustable output voltage from a higher input voltage source. It offers efficient power conversion for various applications where precise voltage regulation is required. This regulator is particularly useful in projects and devices that operate with different input voltage levels and need a stable and adjustable output voltage.
Key Features:
- Adjustable output voltage range (typically 1.23V to 37V)
- Wide input voltage range capability
- High efficiency up to 80%
- Internal thermal shutdown and current limit protection
- Simple external components for easy design implementation
- Fixed output versions also available (LM2575T-12 for 12V output)
- TO-220 package for effective heat dissipation
- Input Voltage Range: Up to 40V (depends on specific model)
- Output Voltage: Adjustable, typically 1.23V to 37V
- Output Current: Up to 1A (depends 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
- Adjustable power supplies
- Battery chargers
- LED drivers
- Telecom and networking equipment
- Consumer electronics
- Industrial automation
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