SKU: 81586766869

INFINEON ICE2QS03GXUMA1 PWM Controller Switched-Mode Power Supply , 26V-9.8V supply, 52 kHz, SOIC-8

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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

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SKU: 81586766869

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Brian M.
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★★★★★ 4
It works
Size: 2+12+12+2 pack
Fits as expected and it's nice to have so many replacement parts. This item is priced well.
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Reviewed in the United States on January 11, 2026
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Suzanne
Massapequa, US
★★★★★ 5
Fits my old eufy
Size: 3+12+12+2+1 pack
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Reviewed in the United States on October 5, 2024
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Dan
Fort Morgan, US
★★★★★ 5
Lots of extras!
Size: 2+12+12+2 pack
The brushes are a bit flimsier than the original but otherwise fine. I needed it for the rectangular filters more than anything
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Reviewed in the United States on March 7, 2026
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Pan8ita
Dallas, US
★★★★★ 5
EUFY 11S
Size: 2+8 pack
Used to replace the ones for my EUFY 11S vacuum. They fit just like the ones and got my vacuum back to cleaning really good. Didn’t realize how loud my vacuum had become until I replaced these parts.
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Reviewed in the United States on December 19, 2025
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Armeeda
Pawtucket, US
★★★★★ 5
Get this!
Size: 3+12+12+2+1 pack
Very nice pack of essentials for my robot.
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