The SC1933C-H215-TL is a highly integrated offline switcher IC manufactured by Power Integrations. It is part of their InnoSwitch3-CP family, designed for constant power (CP) applications. This IC incorporates primary and secondary controllers and safety feedback into a single package. It is ideal for designing highly efficient and compact power supplies.

Applications

• USB PD (Power Delivery) chargers
• Adapters for mobile devices
• Auxiliary power supplies in appliances
• High-efficiency power supplies for set-top boxes
• Offline LED drivers

Features

• Integrated primary and secondary controllers
• Constant Power (CP) output characteristic
• Integrated synchronous rectification driver for high efficiency
• Accurate constant voltage (CV) and constant current (CC) regulation
• Hysteric Thermal Shutdown (OTP)
• Line overvoltage (OVL) protection
• Output overvoltage protection (OVP)
• Short-circuit protection (SCP)
• No-load consumption <30 mW

Benefits

• Simplified power supply design with fewer external components
• High efficiency exceeding regulatory standards
• Compact size for smaller adapter designs
• Enhanced reliability and safety due to comprehensive protection features
• Improved system performance with accurate CV/CC regulation
• Reduced energy consumption and compliance with stringent energy efficiency regulations

Additional Details

The SC1933C-H215-TL is typically packaged in a compact SMD package. It operates over a wide input voltage range, typically from 85 VAC to 265 VAC. The integrated synchronous rectification driver significantly reduces switching losses, resulting in higher efficiency. The constant power characteristic allows for optimized performance across a wide range of output voltages. The accurate CV/CC regulation ensures stable and consistent output power delivery. The comprehensive protection features safeguard the power supply and connected devices from potential damage. The no-load consumption of less than 30 mW minimizes standby power losses. Detailed electrical characteristics and application notes are available in the Power Integrations datasheet for this part number. The InnoSwitch3-CP family is designed for high-performance, low-component-count power supplies.