The TOP269EG is an integrated off-line switcher from Power Integrations, belonging to the TOPSwitch-HX family. It incorporates a high-voltage MOSFET, a PWM control circuit, fault protection, and other system-level functions into a single package. This highly integrated design simplifies power supply design, reduces component count, and improves overall system reliability. The TOP269EG is suitable for a wide range of power supply applications, particularly those requiring high efficiency and compact size.

Applications:

• Power supplies for consumer electronics
• Adapters and chargers
• Auxiliary power supplies
• Industrial power supplies
• LED lighting drivers

Features:

• Integrated high-voltage MOSFET
• EcoSmart energy efficiency
• Line undervoltage (UV) and overvoltage (OV) protection
• Overload power limiting
• Hysteresis thermal shutdown
• Frequency jittering for improved EMI performance
• Accurate current limit
• Advanced protection features including auto-restart

Benefits:

• Simplifies power supply design and reduces component count.
• Improves energy efficiency and reduces standby power consumption.
• Protects against various fault conditions, enhancing system reliability.
• Reduces EMI emissions for compliance with regulatory standards.
• Offers a compact and cost-effective power supply solution.

Additional Details:

The TOP269EG offers a wide input voltage range and is designed for both universal input AC-DC power supplies and DC-DC converters. It features EcoSmart technology, which enables very low standby power consumption. The integrated protection features protect the power supply from overload, overvoltage, and over-temperature conditions. Frequency jittering reduces EMI emissions, simplifying compliance with electromagnetic compatibility standards. The device is available in an eSIP-7C package. Refer to the Power Integrations datasheet for detailed specifications, design recommendations, and application notes.