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Description
POWER INTEGRATIONS TOP245YN Power Management IC, Off Line Switcher 6A, 265 VAC, TO-220-6The TOP245YN is a TOPSwitch GX EcoSmart integrated off line switcher in 6 pin TO 220 package. TOPSwitch GX uses same proven topology as TOPSwitch which cost effectively by integrating high voltage power MOSFET, PWM control, fault protection and other control circuitry onto a single CMOS chip. Many new functions are integrated to reduce system cost, improve design flexibility, high performance and energy efficient. The TOP245YN features soft start,
The TOP245YN is a TOPSwitch-GX EcoSmart integrated off line switcher in 6 pin TO-220 package. TOPSwitch-GX uses same proven topology as TOPSwitch which cost effectively by integrating high voltage power MOSFET, PWM control, fault protection and other control circuitry onto a single CMOS chip. Many new functions are integrated to reduce system cost, improve design flexibility, high performance and energy efficient. The TOP245YN features soft start, frequency jittering for lower EMI, wider DCMAX, hysteretic thermal shutdown and larger creepage packages. In addition all critical parameters (current limit, frequency, PWM gain) have tighter temperature and absolute tolerances to simplify design and optimize system cost.
- Output power of 85W at 230VAC and 60W at 85VAC to 265VAC in open frame design
- Output power of 40W at 230VAC and 26W at 85VAC to 265VAC in non ventilated enclosed adapter
- Extended power range for higher power applications
- Wider duty cycle for more power, smaller input capacitor
- Regulates to zero load without dummy loading
- 132KHz frequency reduces transformer/power supply size
- Hysteretic thermal shutdown for automatic fault recovery
- Large thermal hysteresis prevents PC board overheating
- Switching frequency of 132KHz (frequency pin connected to source) and 66KHz (connected to control)
- Operating junction temperature range from -40°C to 150°C
Applications
Consumer Electronics, Portable Devices, Power Management
Product details
| Supply Voltage | 265VAC |
| Operating Temperature Min | -40°C |
| Digital IC Case | TO-220 |
| No. of LDO Regulators | - |
| Operating Temperature Max | 150°C |
| No. of Pins | 6Pins |
| Product Range | - |
| Automotive Qualification Standard | - |
| No. of Regulated Outputs | 1 |
| No. of Step-Down DC - DC Converters | - |
| Packaging | Each |
| MSL | - |
Other details
| Brand | POWER INTEGRATIONS |
| Part Number | TOP245YN |
| Quantity | Each |
| Technical Data Sheet EN |
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4.2 ★★★★★
Based on 9 reviews
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Product Reviews
★★★★★ 5
Love them
Size: 500 Count
Bargain, and great quality, No lint takes mascara off easy and doesn't scratch your eyelid like some
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 1, 2026
★★★★★ 4
So soft!
Size: 300 Count
Love!! Super soft!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 5, 2026
★★★★★ 5
Thumbs Up for Organic Cotton
Size: 300 Count
When it's time to apply toner or cleanse around the delicate eye area, it's great to have the option of organic cotton pads like these. What I especially like about this brand's style is that the edges are sealed, reducing the chance of getting cotton fuzzy fibers in the eyelashes.
The round pads are lightweight, but hold together nicely to handle the cleansing job. The three pack size will last me a long time and is a good value compared to some other brands I've tried. My understanding is that these are also eco-friendly.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 31, 2026
★★★★★ 5
Clean, lint -free rounds that hold together.
Size: 300 Count
I have purchased these organic cotton rounds at least twice now and they are easy, inexpensive, clean and great for a ton of uses, but especially for cleaning around the eyes without leaving any lint in my eyelashes. When you wet them, they do not fall apart, but are still soft. I highly recommend them.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 24, 2026
★★★★★ 5
Very gentle for the face
Size: 300 Count
I use this brand for the last couple of years and its really good, soft.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 24, 2026