Power Integrations TOPSwitch™ Series
The Power Integrations TOPSwitch™ family of ICs offers robust and reliable power conversion solutions for a wide range of AC-DC applications. These highly integrated devices combine a high-voltage power MOSFET with a PWM controller and comprehensive fault protection in a single package, simplifying design and enhancing system reliability.
TOPSwitch ICs are known for their excellent efficiency, low standby power consumption, and robust protection features, including auto-restart, over-temperature protection, and output overvoltage protection. They are widely used in applications such as PC power supplies, DVD/PVRs, set-top boxes, industrial power, and various consumer electronics. With series like TOPSwitch-JX and TOPSwitch-HX, Power Integrations provides scalable solutions for different power levels and performance requirements. LiTong Group, as an authorized PI distributor, offers full support for integrating TOPSwitch solutions into your designs.
The TOPSwitch series has been a cornerstone in power supply design for decades, continuously evolving to meet new efficiency standards and performance demands. Its proven reliability and ease of design make it a preferred choice for engineers seeking robust and cost-effective power conversion solutions.
LiTong FAE Review: "TOPSwitch devices are workhorses in the power supply world. Their robust design and comprehensive protection features provide peace of mind for engineers. We've seen them perform exceptionally well in demanding industrial applications and consumer electronics alike, consistently delivering reliable power with minimal external components. The ease of design with TOPSwitch is a significant advantage for rapid development cycles."
TOPSwitch™ Series Product Model Table
| Model | Series | Power Range (W) | Voltage (V) | Package | Key Features | Datasheet |
|---|---|---|---|---|---|---|
| TOP258PN | TOPSwitch-HX | Up to 195W | 85-265VAC | DIP-7C | EcoSmart, Multi-mode PWM, Integrated MOSFET | Download |
| TOP268EG | TOPSwitch-JX | Up to 290W | 85-265VAC | eSIP-7C | High Power, EcoSmart, Multi-mode PWM | Download |
| TOP247YN | TOPSwitch-GX | Up to 250W | 85-265VAC | TO-220-7C | Extended Power Range, EcoSmart, Integrated MOSFET | Download |
Alternative & Matching Part Numbers
Looking for alternatives or complementary components? Contact our sales team for recommendations.
- **Alternative:** [Example PI Part Number]
- **Matching:** [Example PI Part Number]
TOPSwitch™ Series FAQs
Q: What are the key differences between TOPSwitch-HX and TOPSwitch-JX?
A: TOPSwitch-JX typically offers higher power capability and enhanced features compared to TOPSwitch-HX, making it suitable for more demanding applications. Both series provide excellent efficiency and integration.
Q: Does TOPSwitch support universal input voltage?
A: Yes, most TOPSwitch devices are designed to operate across a universal input voltage range (typically 85-265VAC), making them suitable for global applications without requiring input voltage selection.
Q: What protection features are integrated into TOPSwitch ICs?
A: TOPSwitch ICs include a suite of protection features such as auto-restart for output short-circuit and open-loop faults, over-temperature protection, and output overvoltage protection, ensuring robust and safe operation.