LM2575S-3.3V TO-263-5 Step-Down Switching Voltage Regulator IC (LM2575S-3.3)
The LM2575S-3.3V is a step-down switching voltage regulator IC designed to provide a stable 3.3V output with high efficiency for embedded systems, industrial electronics, and power management applications. It integrates switching regulation circuitry and requires minimal external components, making it suitable for compact DC-DC converter designs.
Key Features -
- Fixed 3.3V switching voltage regulator
- High efficiency step-down DC-DC conversion
- TO-263-5 surface mount package
- Integrated switching regulator circuitry
- Thermal and overload protection support
Specifications -
- IC type / Product type - Step-Down Switching Voltage Regulator IC
- Logic family / Component type - Power Management IC
- Package type - TO-263-5 SMD IC
- Input voltage - Approx 4V to 40V DC
- Output voltage - Fixed 3.3V DC output
- Output current - Up to approx 1A output current
- Switching frequency - Approx 52kHz typical
- Efficiency - High efficiency switching regulation operation
- Operating temperature - Approx -40°C to +125°C
- Additional important specifications - Internal oscillator, thermal shutdown protection, current limiting protection, low external component requirement, high efficiency DC-DC conversion
Applications -
- Embedded power supply systems
- Industrial automation equipment
- Battery powered devices
- Microcontroller power regulation
- DC-DC converter circuits
Pinout Configuration -
- Pin 1 - Input voltage pin
- Pin 2 - Switching output pin
- Pin 3 - Ground connection
- Additional pins - Feedback pin, ON or OFF control pin, thermal tab connection
