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Description
INFINEON ICE2QS03GXUMA1 PWM Controller Switched-Mode Power Supply , 26V-9.8V supply, 52 kHz, SOIC-8The ICE2QS03G is a quasi resonant PWM Controller optimized for off line switch power supply. The digital frequency reduction with decreasing load enables a quasi resonant operation till very low load. As a result, the overall system efficiency is significantly improved compared to other conventional solutions. The active burst mode operation enables ultra low power consumption at standby mode with small and controllable output voltage ripple. Based on
The ICE2QS03G is a quasi-resonant PWM Controller optimized for off-line switch power supply. The digital frequency reduction with decreasing load enables a quasi-resonant operation till very low load. As a result, the overall system efficiency is significantly improved compared to other conventional solutions. The active burst mode operation enables ultra-low power consumption at standby mode with small and controllable output voltage ripple. Based on the BiCMOS technology, the product has a wide operation range (up to 25V) of IC power supply and lower power consumption. The numerous protection functions give a full protection of the power supply system in failure situations. All of these make the ICE2QS03G an outstanding controller for quasi resonant flyback converter in the market.
- Active burst mode for low standby power
- Quasi resonant operation
- Digital frequency reduction for better overall system efficiency
- Quasi resonant operation till very low load
- Active burst mode operation at light/no load for low standby input power (<100mW)
- Digital frequency reduction with decreasing load
- Startup cell for VCC pre-charging with constant current
- Built-in digital soft-start
- Foldback correction and cycle-by-cycle peak current limitation
- Latch-off mode for adjustable output over-voltage protection and short-winding protection
Applications
Consumer Electronics, Communications & Networking, Power Management, Audio
Product details
| Controller IC Case Style | SOIC |
| Operating Temperature Min | -40�C |
| Output Current | - |
| Operating Temperature Max | 130�C |
| No. of Pins | 8Pins |
| Frequency | 52kHz |
| Output Voltage | - |
| Input Voltage | - |
| Product Range | - |
| Automotive Qualification Standard | - |
| Supply Voltage Min | 9.8V |
| Packaging | Cut Tape |
| Supply Voltage Max | 26V |
| MSL | MSL 3 - 168 hours |
Other details
| Brand | INFINEON |
| Part Number | ICE2QS03GXUMA1 |
| Quantity | Each (Supplied on Cut Tape) |
| Technical Data Sheet EN |
All product and company names are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them. Image is for illustrative purposes only. Please refer to product description.
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4.2 ★★★★★
Based on 7 reviews
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Product Reviews
★★★★★ 5
Great story and wonderful pictures
I’ve been trying to find books my son (6) would enjoy reading. He's asked me to read this one to him every night for like a week now. It’s a sweet story and the illustrations are beautiful. I’m really glad I bought it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 3, 2025
★★★★★ 4
nice but not preschool
Format: Hardcover
nice but not for preschool, perhaps older children to really understand the content
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Reviewed in the United States on December 30, 2025
★★★★★ 5
Award Winning Teaching Book
Format: Hardcover
This story has a lovely story that is a great teaching moment for young children. I enjoyed the illustrations and I find these stories about real life situations of other people in other circumstances other than your own offer great teaching moments for the young readers....Recommend you read it to your young children and it gives you a good opportunity to explain to your children that even those who have much less than you do....but, have love and family are wealthy in their own way....and to express all types of families exist and are all just as important and your individual family is to you. Important that they are getting more books out that offer important lessons about life to young people...to grow their empathy for others...and caring feelings for others from a young age. Recommend
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Reviewed in the United States on March 12, 2021
★★★★★ 5
A great buy
Format: Paperback
Great quality & well bound. Much better quality pages than expected, better than a lot of my trades.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 7, 2026
★★★★★ 5
It's huge
Format: Paperback
It's gorgeous 😍
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Reviewed in the United States on December 14, 2025
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