TNY278GN,Energy-Efficient Off-Line Switcher,SMD,85-265VAC,28W

The TNY278GN - SMD is an energy-efficient, off-line switcher IC from Power Integrations, part of the TinySwitch-III family. It integrates a 700V power MOSFET, oscillator, and control logic, offering a cost-effective solution for low-power, energy-efficient power supplies. With a wide input voltage range from 85V to 265V AC, it is suitable for applications in chargers, adapters, standby power supplies, and small appliances.

This IC delivers up to 28W in open-frame designs, making it ideal for designs that require compactness and energy efficiency. It operates at a switching frequency of 132kHz with integrated frequency jittering to reduce EMI, allowing for smaller external components. Advanced protection features, including thermal shutdown, auto-restart, and undervoltage lockout, ensure reliable operation even under demanding conditions.

Packaged in a compact SMD-8 form, the TNY278GN provides designers with flexibility in creating efficient power supplies with minimal external components. Its energy-saving features and high-performance make it the perfect choice for various low-power applications.

• Integrated 700V Power MOSFET for efficient switching and low standby power.
• Operates over a wide universal input voltage range of 85V to 265V AC.
• Delivers up to 28W output power in open-frame designs at 230VAC input.
• Built-in thermal shutdown and auto-restart protection for enhanced reliability.
• Frequency jittering minimizes EMI, reducing the need for external components.
• Ideal for low-power applications such as chargers, adapters, and industrial controls.