The STRL472 is a high-voltage integrated switch mode power supply (SMPS) controller designed by Sanken Electric. It is primarily used in AC-DC power supplies, particularly for low to medium power applications. The STRL472 combines the functionality of a PWM controller with a high-voltage MOSFET, offering a compact and efficient solution for power conversion in applications like chargers, adapters, and consumer electronics.
Key Features:
- Integrated MOSFET: The STRL472 integrates a high-voltage MOSFET, which simplifies the design and reduces the component count, making it easier to build compact power supplies.
- Wide Input Voltage Range: It supports an input voltage range of 85V to 265V AC, making it suitable for global applications in regions with varying voltage standards.
- PWM Control: The IC employs PWM control for efficient energy conversion, ensuring stable and regulated output voltage and minimizing power losses.
- Built-in Protection: The STRL472 includes several protection features, including overvoltage protection (OVP), overcurrent protection (OCP), overtemperature protection (OTP), and short-circuit protection. These features enhance reliability and safeguard the IC and connected loads.
- Eco-Friendly Operation: With its low standby power consumption and efficient power conversion, the STRL472 meets modern energy efficiency standards and helps reduce overall energy consumption.
- Regulation and Feedback: It offers stable voltage regulation and is designed to work with an external feedback loop to maintain accurate output voltage under varying load conditions.
Applications:
- Power Supplies: The STRL472 is widely used in AC-DC adapters and chargers for products such as laptops, smartphones, and consumer electronics. Its compact design and integrated features make it suitable for space-constrained applications.
- Home Appliances: It can be found in home appliances like air conditioners, fans, and LED lighting systems, where efficient and reliable power conversion is required.
- Industrial Control: Used in industrial power supplies for applications requiring stable voltage and current, such as automation systems, sensors, and communication equipment.
- LED Drivers: The STRL472 is often used in LED drivers for light fixtures and signage, providing constant current and voltage regulation.
The STRL472 offers a highly integrated solution for switch-mode power supplies, making it ideal for applications that require compactness, efficiency, and reliability. Its built-in protections, high-voltage operation, and low standby power make it a popular choice for consumer electronics, industrial control, and lighting systems.
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