The TNY275G is an energy-efficient, off-line switcher IC from Power Integrations' TinySwitch-III family. This IC integrates a 700V power MOSFET, oscillator, high-voltage switched current source, current limit and thermal shutdown circuitry onto a monolithic device. It's designed for power supplies ranging up to 12W in adapter applications and up to 16W in open frame applications. It simplifies power supply design while offering high energy efficiency and comprehensive protection features.
Applications:
- Adapters and Chargers: Powering mobile phones, tablets, and other portable devices.
- Standby Power Supplies: Providing standby power for appliances, TVs, and set-top boxes.
- Auxiliary Power Supplies: Powering control circuits in larger power systems.
- LED Lighting: Driving LED lamps and fixtures.
- Industrial Controls: Powering sensors and control circuits in industrial equipment.
Features:
- Integrated 700V Power MOSFET: Reduces component count and simplifies design.
- EcoSmart Energy Efficiency: Meets stringent energy efficiency standards, reducing standby power consumption.
- On/Off Control: Provides simple and efficient power delivery.
- Auto-Restart Protection: Protects against overload, over-temperature, and short-circuit faults.
- Hysteresis Thermal Shutdown: Provides accurate thermal protection.
- Frequency Jittering: Reduces EMI (Electromagnetic Interference).
- Programmable Current Limit: Allows for optimizing power supply performance.
- Optimized Line Overvoltage Protection: Protects against line surge events.
Benefits:
- Simplified Power Supply Design: Reduces component count and simplifies layout.
- High Energy Efficiency: Reduces energy consumption and lowers operating costs.
- Enhanced System Reliability: Comprehensive protection features ensure robust operation.
- Reduced EMI: Frequency jittering minimizes electromagnetic interference.
- Cost-Effective Solution: Provides a cost-effective solution for low-power applications.
Additional Details:
The TNY275G offers a range of protection features, including auto-restart, over-temperature protection, and over-voltage protection. It also features frequency jittering to reduce EMI and improve system compatibility. The IC is designed for use in flyback converter topologies. Its integrated power MOSFET simplifies the design process and reduces the number of external components required. The datasheet for the TNY275G provides detailed information on its electrical characteristics, application circuits, and layout guidelines. It's packaged in a standard DIP-8 or SMD-8 package. Its EcoSmart technology allows it to meet stringent energy efficiency standards, such as Energy Star and European Union directives. The device is also compliant with worldwide safety standards.