The TOP253PN is a 15W integrated Off-Line Switcher with advanced feature set and extended power range. This enhanced EcoSmart™ switcher incorporates a 700V power MOSFET, high voltage switched current source and PWM control, oscillator, thermal shutdown circuit, fault protection and other control circuitry onto a monolithic device.

The TOP253PN is designed to be easy to use and provides a high level of performance and integration. It features a multi-mode operation that maximizes efficiency at all loads, from light load to full load. The TOP253PN also features a low height profile, making it ideal for adapters where space is limited.

The TOP253PN includes a number of features that make it a reliable and robust solution for a variety of applications. These features include:

• Line under-voltage detection to prevent turn-OFF glitches
• Line over-voltage shutdown to extend line surge limit
• Accurate programmable current limit
• Heat sink connected to source for low EMI
• Fully integrated soft-start for minimum start-up stress

The TOP253PN is a versatile device that can be used in a wide range of applications, including:

• AC/DC adapters
• Set-top boxes
• LCD TVs
• DVD players
• Printers
• Scanners
• Power supplies for industrial and consumer electronics

Features and Benefits

• Multi-mode operation maximizes efficiency at all loads
• Low height profile ideal for adapters where space is limited
• Line under-voltage detection to prevent turn-OFF glitches
• Line over-voltage shutdown to extend line surge limit
• Accurate programmable current limit
• Heat sink connected to source for low EMI
• Fully integrated soft-start for minimum start-up stress
• Easy to use, high level of performance and integration

Applications

• AC/DC adapters
• Set-top boxes
• LCD TVs
• DVD players
• Printers
• Scanners
• Power supplies for industrial and consumer electronics

Conclusion

The TOP253PN is a highly versatile and integrated Off-Line Switcher that is ideal for a wide range of applications. It offers a number of features and benefits, including multi-mode operation for high efficiency, a low height profile for space-constrained applications, and a variety of protection features for reliability and robustness.

Additional Information

The TOP253PN is available in a DIP-8 package and is RoHS compliant. It is also supported by a comprehensive design suite, including a datasheet, application notes, and reference designs.

Power Integrations

Power Integrations is a leading provider of integrated power management solutions. The company's products are used in a wide range of applications, including consumer electronics, industrial equipment, and telecommunications. Power Integrations is committed to providing innovative and efficient power management solutions that help customers reduce energy consumption and improve system performance.