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Quasi Resonant CoolSET™ Power ICs

Infineon Quasi-Resonant CoolSET™ Power ICs are optimized for off-line switch power supplies in cascode configurations. These Infineon ICs are housed in single packages with two separate chips: one is a controller chip and the other is an HV MOSFET chip. The ICs can achieve lower EMI and higher efficiency with improved digital frequency reduction through the proprietary novel Quasi-Resonant operation. The enhanced Active Burst Mode enables flexibility in standby power range selection. The product has a wide operation range (10.0V to 25.5V) of IC power supply and lower power consumption.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (IDR) Filter the results in the table by unit price based on your quantity.	Qty.	Mounting Style	Package/Case	Output Voltage	Output Power	Supply Voltage - Min	Supply Voltage - Max	Topology	Technology	Switching Frequency	Duty Cycle - Max	Operating Supply Current	Minimum Operating Temperature	Maximum Operating Temperature	Output Current	Series	Packaging
AC/DC Converters PWM Controller 650V 2.5A ICE2QR0665Z Infineon Technologies 1: Rp53.386,86 2.975In Stock	Mfr. Part No. ICE2QR0665Z Mouser Part No 726-ICE2QR0665Z	Infineon Technologies	AC/DC Converters PWM Controller 650V 2.5A Learn More about Infineon Technologies infineon quasi resonant coolset	Datasheet	2.975In Stock	Rp53.386,86 Rp39.810,82 Rp36.325,08 Rp32.655,88 View Rp30.821,28 Rp30.087,44 Rp28.619,76 Rp27.519,00 Rp27.152,08	Min.: 1 Mult.: 1	Through Hole	PDIP-7	650 V	79 W	10.5 V	24 V	Flyback	Si	39 kHz to 65 kHz	50 %	1.5 mA	- 25 C	+ 125 C	2.5 A	QR CoolSET	Tube
AC/DC Converters SMPS QUASI-RESONANT PWM CTRLR 800V ICE2QR2280GXUMA1 Infineon Technologies 1: Rp38.526,60 8.020In Stock	Mfr. Part No. ICE2QR2280GXUMA1 Mouser Part No 726-ICE2QR2280GXUMA1	Infineon Technologies	AC/DC Converters SMPS QUASI-RESONANT PWM CTRLR 800V Learn More about Infineon Technologies infineon quasi resonant coolset	Datasheet	8.020In Stock	Cut Tape Rp38.526,60 Rp28.986,68 Rp26.601,70 Rp23.849,80 Reel Rp19.630,22 View Rp22.565,58 Rp21.831,74 Rp20.914,44 Rp19.079,84 MouseReel Available	Min.: 1 Mult.: 1 : 2.500		SOIC-12						Si							QR CoolSET	Reel, Cut Tape, MouseReel
AC/DC Converters SMPS QUASI-RESONANT PWM CTRLR 800V ICE2QR2280G Infineon Technologies 1: Rp41.278,50 4.589In Stock	Mfr. Part No. ICE2QR2280G Mouser Part No 726-ICE2QR2280G	Infineon Technologies	AC/DC Converters SMPS QUASI-RESONANT PWM CTRLR 800V Learn More about Infineon Technologies infineon quasi resonant coolset	Datasheet	4.589In Stock	Cut Tape Rp41.278,50 Rp30.454,36 Rp27.702,46 Rp24.767,10 Reel Rp21.097,90 View Rp23.299,42 Rp22.565,58 Rp21.648,28 Rp20.364,06 MouseReel Available	Min.: 1 Mult.: 1 : 2.500	SMD/SMT	SO-12						Si	52 kHz		1.5 mA	- 40 C	+ 150 C		QR CoolSET	Reel, Cut Tape, MouseReel
AC/DC Converters COOLSET ICE5QR4780BGXUMA1 Infineon Technologies 1: Rp28.803,22 3.583In Stock	Mfr. Part No. ICE5QR4780BGXUMA1 Mouser Part No 726-ICE5QR4780BGXUMA	Infineon Technologies	AC/DC Converters COOLSET Learn More about Infineon Technologies infineon quasi resonant coolset	Datasheet	3.583In Stock	Cut Tape Rp28.803,22 Rp21.097,90 Rp19.079,84 Rp16.841,63 Reel Rp14.181,46 View Rp15.832,60 Rp15.208,83 Rp15.172,14 Rp13.869,58 MouseReel Available	Min.: 1 Mult.: 1 : 2.500								Si								Reel, Cut Tape, MouseReel
AC/DC Converters .DP LITE COOLSET ICE5QR0680AGXUMA1 Infineon Technologies 1: Rp52.469,56 2.053In Stock	Mfr. Part No. ICE5QR0680AGXUMA1 Mouser Part No 726-ICE5QR0680AGXUM	Infineon Technologies	AC/DC Converters .DP LITE COOLSET Learn More about Infineon Technologies infineon fixed frequency coolset	Datasheet	2.053In Stock	Cut Tape Rp52.469,56 Rp40.361,20 Rp37.242,38 Rp34.673,94 Reel Rp29.537,06 View Rp32.839,34 Rp32.288,96 Rp31.738,58 Rp28.986,68	Min.: 1 Mult.: 1 : 2.500	SMD/SMT	DSO-12	800 V	77 W	10 V	25.5 V	Flyback	Si	20 kHz		900 uA	- 40 C	+ 150 C	1.8 A	QR CoolSET	Reel, Cut Tape
AC/DC Converters COOLSET ICE2QR0665XKLA1 Infineon Technologies 1: Rp42.562,72 1.439In Stock	Mfr. Part No. ICE2QR0665XKLA1 Mouser Part No 726-ICE2QR0665XKLA1	Infineon Technologies	AC/DC Converters COOLSET Learn More about Infineon Technologies infineon quasi resonant coolset	Datasheet	1.439In Stock	Rp42.562,72 Rp35.224,32 Rp32.472,42 Rp31.371,66 View Rp30.270,90 Rp29.720,52 Rp29.170,14 Rp28.619,76 Rp28.436,30	Min.: 1 Mult.: 1								Si							QR CoolSET	Tube
AC/DC Converters PWM Controller 650V ICE2QR0665G Infineon Technologies 1: Rp54.304,16 1.896In Stock NRND	Mfr. Part No. ICE2QR0665G Mouser Part No 726-ICE2QR0665G NRND	Infineon Technologies	AC/DC Converters PWM Controller 650V Learn More about Infineon Technologies infineon quasi resonant coolset	Datasheet	1.896In Stock	Cut Tape Rp54.304,16 Rp40.728,12 Rp37.242,38 Rp33.389,72 Reel Rp27.885,92 View Rp31.555,12 Rp31.004,74 Rp29.537,06 Rp27.335,54 MouseReel Available	Min.: 1 Mult.: 1 : 2.500	SMD/SMT	DSO-16	650 V	79 W	10.5 V	24 V	Flyback	Si	39 kHz to 65 kHz	50 %	1.5 mA	- 40 C	+ 125 C	2.5 A	QR CoolSET	Reel, Cut Tape, MouseReel
AC/DC Converters PWM Controller 650V 1.5A ICE2QR1765G Infineon Technologies 1: Rp44.213,86 2.233In Stock NRND	Mfr. Part No. ICE2QR1765G Mouser Part No 726-ICE2QR1765G NRND	Infineon Technologies	AC/DC Converters PWM Controller 650V 1.5A Learn More about Infineon Technologies infineon quasi resonant coolset	Datasheet	2.233In Stock	Cut Tape Rp44.213,86 Rp32.839,34 Rp29.903,98 Rp26.785,16 Reel Rp22.749,04 View Rp25.317,48 Rp24.583,64 Rp23.849,80 Rp22.198,66 MouseReel Available	Min.: 1 Mult.: 1 : 2.500	SMD/SMT	SO-12	650 V	49 W	10.5 V	24 V	Flyback	Si	65 kHz	50 %	1.5 mA	- 40 C	+ 125 C	1.5 A	QR CoolSET	Reel, Cut Tape, MouseReel
AC/DC Converters PWM Controller 650V 1.5A ICE2QR1765Z Infineon Technologies 1: Rp42.562,72 1.289In Stock NRND	Mfr. Part No. ICE2QR1765Z Mouser Part No 726-ICE2QR1765Z NRND	Infineon Technologies	AC/DC Converters PWM Controller 650V 1.5A Learn More about Infineon Technologies infineon quasi resonant coolset	Datasheet	1.289In Stock	Rp42.562,72 Rp31.555,12 Rp28.803,22 Rp25.684,40 View Rp24.216,72 Rp23.482,88 Rp22.565,58	Min.: 1 Mult.: 1	Through Hole	PDIP-7	650 V	54.8 W	10.5 V	24 V	Flyback	Si	65 kHz	50 %	1.5 mA	- 25 C	+ 125 C	1.5 A	QR CoolSET	Tube
AC/DC Converters .DP LITE COOLSET ICE5QR1680AGXUMA1 Infineon Technologies 1: Rp43.296,56 1.700In Stock	Mfr. Part No. ICE5QR1680AGXUMA1 Mouser Part No 726-ICE5QR1680AGXUMA	Infineon Technologies	AC/DC Converters .DP LITE COOLSET Learn More about Infineon Technologies infineon fixed frequency coolset	Datasheet	1.700In Stock	Cut Tape Rp43.296,56 Rp32.105,50 Rp29.353,60 Rp26.234,78 Reel Rp22.198,66 View Rp24.767,10 Rp24.216,72 Rp23.299,42 Rp21.464,82	Min.: 1 Mult.: 1 : 2.500	SMD/SMT	DSO-12	800 V	50 W	10 V	25.5 V	Flyback	Si	20 kHz		900 uA	- 40 C	+ 150 C	600 mA	QR CoolSET	Reel, Cut Tape
AC/DC Converters COOLSET ICE5QR0680BGXUMA1 Infineon Technologies 1: Rp56.138,76 720In Stock	Mfr. Part No. ICE5QR0680BGXUMA1 Mouser Part No 726-ICE5QR0680BGXUMA	Infineon Technologies	AC/DC Converters COOLSET Learn More about Infineon Technologies infineon quasi resonant coolset	Datasheet	720In Stock	Cut Tape Rp56.138,76 Rp42.195,80 Rp38.526,60 Rp34.673,94 Reel Rp29.537,06 View Rp32.839,34 Rp32.288,96 Rp30.637,82 Rp28.986,68	Min.: 1 Mult.: 1 : 2.500								Si								Reel, Cut Tape
AC/DC Converters PWM Controller 650V 2.5A ICE2QR0665ZXKLA1 Infineon Technologies 1: Rp52.836,48 679In Stock	Mfr. Part No. ICE2QR0665ZXKLA1 Mouser Part No 726-ICE2QR0665ZXKLA1	Infineon Technologies	AC/DC Converters PWM Controller 650V 2.5A Learn More about Infineon Technologies infineon quasi resonant coolset	Datasheet	679In Stock	Rp52.836,48 Rp39.443,90 Rp34.123,56 Rp32.472,42 View Rp30.821,28 Rp29.720,52 Rp28.619,76 Rp26.968,62 Rp26.418,24	Min.: 1 Mult.: 1		DIP-7						Si							QR CoolSET	Tube
AC/DC Converters COOLSET ICE5QR2280BGXUMA1 Infineon Technologies 1: Rp38.710,06 2.665In Stock	Mfr. Part No. ICE5QR2280BGXUMA1 Mouser Part No 726-ICE5QR2280BGXUMA	Infineon Technologies	AC/DC Converters COOLSET Learn More about Infineon Technologies infineon quasi resonant coolset	Datasheet	2.665In Stock	Cut Tape Rp38.710,06 Rp28.619,76 Rp26.234,78 Rp23.299,42 Reel Rp20.364,06 View Rp22.015,20 Rp21.281,36 Rp20.914,44 Rp19.263,30 MouseReel Available	Min.: 1 Mult.: 1 : 2.500								Si								Reel, Cut Tape, MouseReel
AC/DC Converters COOLSET ICE5QSAGXUMA1 Infineon Technologies 1: Rp22.198,66 2.474In Stock	Mfr. Part No. ICE5QSAGXUMA1 Mouser Part No 726-ICE5QSAGXUMA1	Infineon Technologies	AC/DC Converters COOLSET Learn More about Infineon Technologies infineon quasi resonant coolset	Datasheet	2.474In Stock	Cut Tape Rp22.198,66 Rp16.217,86 Rp14.695,15 Rp13.062,35 Reel Rp11.282,79 View Rp12.401,90 Rp11.906,55 Rp11.392,87 Rp10.787,45 MouseReel Available	Min.: 1 Mult.: 1 : 2.500	SMD/SMT	DSO-8	10 V	109 W	10 V	25.5 V	PWM	Si	20 kHz		900 uA	- 40 C	+ 150 C		QR CoolSET	Reel, Cut Tape, MouseReel
AC/DC Converters COOLSET ICE5QSBGXUMA1 Infineon Technologies 1: Rp22.749,04 9.938In Stock	Mfr. Part No. ICE5QSBGXUMA1 Mouser Part No 726-ICE5QSBGXUMA1	Infineon Technologies	AC/DC Converters COOLSET Learn More about Infineon Technologies infineon quasi resonant coolset	Datasheet	9.938In Stock	Cut Tape Rp22.749,04 Rp16.511,40 Rp14.951,99 Rp13.227,47 Reel Rp11.044,29 View Rp12.401,90 Rp11.906,55 Rp11.392,87 Rp10.787,45	Min.: 1 Mult.: 1 : 2.500								Si								Reel, Cut Tape
AC/DC Converters AC/DC COOLSET ICE2QR2280G1XUMA1 Infineon Technologies 1: Rp40.728,12 173In Stock	Mfr. Part No. ICE2QR2280G1XUMA1 Mouser Part No 726-ICE2QR2280G1XUMA	Infineon Technologies	AC/DC Converters AC/DC COOLSET Learn More about Infineon Technologies infineon quasi resonant coolset	Datasheet	173In Stock	Cut Tape Rp40.728,12 Rp30.270,90 Rp27.519,00 Rp24.583,64 Reel Rp20.730,98 View Rp23.299,42 Rp22.565,58 Rp21.648,28 Rp20.364,06 MouseReel Available	Min.: 1 Mult.: 1 : 2.500		SOIC-12						Si							QR CoolSET	Reel, Cut Tape, MouseReel
AC/DC Converters COOLSET ICE5QR1680BGXUMA1 Infineon Technologies 1: Rp43.296,56 2.500Expected 02/09/2027	Mfr. Part No. ICE5QR1680BGXUMA1 Mouser Part No 726-ICE5QR1680BGXUMA	Infineon Technologies	AC/DC Converters COOLSET Learn More about Infineon Technologies infineon quasi resonant coolset	Datasheet	2.500Expected 02/09/2027	Cut Tape Rp43.296,56 Rp32.105,50 Rp29.353,60 Rp26.234,78 Reel Rp22.932,50 View Rp25.317,48 Rp24.583,64 Rp21.831,74 MouseReel Available	Min.: 1 Mult.: 1 : 2.500								Si								Reel, Cut Tape, MouseReel
AC/DC Converters COOLSET ICE2QR1765XKLA1 Infineon Technologies 1: Rp43.663,48 Non-Stocked Lead-Time 17 Weeks NRND	Mfr. Part No. ICE2QR1765XKLA1 Mouser Part No 726-ICE2QR1765XKLA1 NRND	Infineon Technologies	AC/DC Converters COOLSET Learn More about Infineon Technologies infineon quasi resonant coolset	Datasheet	Non-Stocked Lead-Time 17 Weeks	Rp43.663,48 Rp32.288,96 Rp28.619,76 Rp26.418,24 View Rp24.767,10 Rp24.033,26 Rp23.299,42 Rp21.648,28 Rp21.097,90	Min.: 1 Mult.: 1	Through Hole	DIP-8	650 V	56.4 W	10.5 V	24 V	Flyback	Si	39 kHz to 65 kHz	50 %	1.5 mA	- 25 C	+ 125 C	1.5 A	QR CoolSET	Tube

Quasi Resonant CoolSET™ Power ICs

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