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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 (KRW) 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: ₩4,100.8 2,975In Stock	Mfr. Part # ICE2QR0665Z Mouser Part # 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	₩4,100.8 ₩3,058 ₩2,790.2 ₩2,508.4 View ₩2,367.5 ₩2,311.1 ₩2,212.4 ₩2,099.7 ₩2,085.6	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: ₩2,719.8 8,020In Stock	Mfr. Part # ICE2QR2280GXUMA1 Mouser Part # 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 ₩2,719.8 ₩2,099.7 ₩1,944.7 ₩1,775.6 Reel ₩1,465.6 View ₩1,676.9 ₩1,634.7 ₩1,564.2 ₩1,437.4 MouseReel Available	Min.: 1 Mult.: 1 : 2,500		SOIC-12						Si							QR CoolSET	Reel, Cut Tape, MouseReel
AC/DC Converters .DP LITE COOLSET ICE5QR0680AGXUMA1 Infineon Technologies 1: ₩3,494.8 2,053In Stock	Mfr. Part # ICE5QR0680AGXUMA1 Mouser Part # 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 ₩3,494.8 ₩2,832.5 ₩2,663.4 ₩2,508.4 Reel ₩2,282.9 View ₩2,409.7 ₩2,381.5 ₩2,367.5 ₩2,226.5	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: ₩3,156.6 1,429In Stock	Mfr. Part # ICE2QR0665XKLA1 Mouser Part # 726-ICE2QR0665XKLA1	Infineon Technologies	AC/DC Converters COOLSET Learn More about Infineon Technologies infineon quasi resonant coolset	Datasheet	1,429In Stock	₩3,156.6 ₩2,649.3 ₩2,452 ₩2,381.5 View ₩2,311.1 ₩2,268.8 ₩2,240.6 ₩2,184.3	Min.: 1 Mult.: 1								Si							QR CoolSET	Tube
AC/DC Converters SMPS QUASI-RESONANT PWM CTRLR 800V ICE2QR2280G Infineon Technologies 1: ₩3,170.7 4,589In Stock	Mfr. Part # ICE2QR2280G Mouser Part # 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 ₩3,170.7 ₩2,339.3 ₩2,127.9 ₩1,902.4 Reel ₩1,606.5 View ₩1,789.7 ₩1,733.3 ₩1,676.9 ₩1,564.2 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: ₩2,212.4 3,583In Stock	Mfr. Part # ICE5QR4780BGXUMA1 Mouser Part # 726-ICE5QR4780BGXUMA	Infineon Technologies	AC/DC Converters COOLSET Learn More about Infineon Technologies infineon quasi resonant coolset	Datasheet	3,583In Stock	Cut Tape ₩2,212.4 ₩1,620.6 ₩1,465.6 ₩1,293.6 Reel ₩1,089.3 View ₩1,216.1 ₩1,168.2 ₩1,162.6 ₩1,065.4 MouseReel Available	Min.: 1 Mult.: 1 : 2,500								Si								Reel, Cut Tape, MouseReel
AC/DC Converters PWM Controller 650V 1.5A ICE2QR1765G Infineon Technologies 1: ₩3,396.2 2,233In Stock NRND	Mfr. Part # ICE2QR1765G Mouser Part # 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 ₩3,396.2 ₩2,522.5 ₩2,297 ₩2,057.4 Reel ₩1,747.4 View ₩1,944.7 ₩1,888.3 ₩1,832 ₩1,705.1 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: ₩3,269.3 1,289In Stock NRND	Mfr. Part # ICE2QR1765Z Mouser Part # 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	₩3,269.3 ₩2,423.8 ₩2,212.4 ₩1,972.9 View ₩1,860.1 ₩1,803.8 ₩1,733.3	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 PWM Controller 650V ICE2QR0665G Infineon Technologies 1: ₩4,171.2 1,896In Stock NRND	Mfr. Part # ICE2QR0665G Mouser Part # 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 ₩4,171.2 ₩3,114.3 ₩2,860.7 ₩2,564.7 Reel ₩2,127.9 View ₩2,423.8 ₩2,381.5 ₩2,268.8 ₩2,099.7 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 .DP LITE COOLSET ICE5QR1680AGXUMA1 Infineon Technologies 1: ₩3,325.7 1,698In Stock	Mfr. Part # ICE5QR1680AGXUMA1 Mouser Part # 726-ICE5QR1680AGXUMA	Infineon Technologies	AC/DC Converters .DP LITE COOLSET Learn More about Infineon Technologies infineon fixed frequency coolset	Datasheet	1,698In Stock	Cut Tape ₩3,325.7 ₩2,466.1 ₩2,254.7 ₩2,015.2 Reel ₩1,705.1 View ₩1,902.4 ₩1,860.1 ₩1,789.7 ₩1,648.8	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: ₩4,312.2 720In Stock	Mfr. Part # ICE5QR0680BGXUMA1 Mouser Part # 726-ICE5QR0680BGXUMA	Infineon Technologies	AC/DC Converters COOLSET Learn More about Infineon Technologies infineon quasi resonant coolset	Datasheet	720In Stock	Cut Tape ₩4,312.2 ₩3,241.2 ₩2,959.3 ₩2,663.4 Reel ₩2,268.8 View ₩2,522.5 ₩2,480.2 ₩2,353.4 ₩2,226.5	Min.: 1 Mult.: 1 : 2,500								Si								Reel, Cut Tape
AC/DC Converters PWM Controller 650V 2.5A ICE2QR0665ZXKLA1 Infineon Technologies 1: ₩4,058.5 679In Stock	Mfr. Part # ICE2QR0665ZXKLA1 Mouser Part # 726-ICE2QR0665ZXKLA1	Infineon Technologies	AC/DC Converters PWM Controller 650V 2.5A Learn More about Infineon Technologies infineon quasi resonant coolset	Datasheet	679In Stock	₩4,058.5 ₩3,029.8 ₩2,621.1 ₩2,494.3 View ₩2,367.5 ₩2,282.9 ₩2,198.4 ₩2,071.5 ₩2,029.2	Min.: 1 Mult.: 1		DIP-7						Si							QR CoolSET	Tube
AC/DC Converters COOLSET ICE5QR2280BGXUMA1 Infineon Technologies 1: ₩2,973.4 2,665In Stock	Mfr. Part # ICE5QR2280BGXUMA1 Mouser Part # 726-ICE5QR2280BGXUMA	Infineon Technologies	AC/DC Converters COOLSET Learn More about Infineon Technologies infineon quasi resonant coolset	Datasheet	2,665In Stock	Cut Tape ₩2,973.4 ₩2,198.4 ₩2,015.2 ₩1,789.7 Reel ₩1,564.2 View ₩1,691 ₩1,634.7 ₩1,606.5 ₩1,479.7 MouseReel Available	Min.: 1 Mult.: 1 : 2,500								Si								Reel, Cut Tape, MouseReel
AC/DC Converters COOLSET ICE5QSAGXUMA1 Infineon Technologies 1: ₩1,705.1 2,474In Stock	Mfr. Part # ICE5QSAGXUMA1 Mouser Part # 726-ICE5QSAGXUMA1	Infineon Technologies	AC/DC Converters COOLSET Learn More about Infineon Technologies infineon quasi resonant coolset	Datasheet	2,474In Stock	Cut Tape ₩1,705.1 ₩1,245.7 ₩1,128.8 ₩1,003.4 Reel ₩866.7 View ₩952.6 ₩914.6 ₩875.1 ₩828.6 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: ₩1,747.4 9,938In Stock	Mfr. Part # ICE5QSBGXUMA1 Mouser Part # 726-ICE5QSBGXUMA1	Infineon Technologies	AC/DC Converters COOLSET Learn More about Infineon Technologies infineon quasi resonant coolset	Datasheet	9,938In Stock	Cut Tape ₩1,747.4 ₩1,268.3 ₩1,148.5 ₩1,016 Reel ₩848.3 View ₩952.6 ₩914.6 ₩875.1 ₩828.6	Min.: 1 Mult.: 1 : 2,500								Si								Reel, Cut Tape
AC/DC Converters AC/DC COOLSET ICE2QR2280G1XUMA1 Infineon Technologies 1: ₩3,156.6 173In Stock 2,500Expected 2/23/2027	Mfr. Part # ICE2QR2280G1XUMA1 Mouser Part # 726-ICE2QR2280G1XUMA	Infineon Technologies	AC/DC Converters AC/DC COOLSET Learn More about Infineon Technologies infineon quasi resonant coolset	Datasheet	173In Stock 2,500Expected 2/23/2027	Cut Tape ₩3,156.6 ₩2,325.2 ₩2,113.8 ₩1,888.3 Reel ₩1,620.6 View ₩1,775.6 ₩1,719.2 ₩1,648.8 ₩1,564.2 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: ₩3,325.7 2,500Expected 9/2/2027	Mfr. Part # ICE5QR1680BGXUMA1 Mouser Part # 726-ICE5QR1680BGXUMA	Infineon Technologies	AC/DC Converters COOLSET Learn More about Infineon Technologies infineon quasi resonant coolset	Datasheet	2,500Expected 9/2/2027	Cut Tape ₩3,325.7 ₩2,466.1 ₩2,254.7 ₩2,015.2 Reel ₩1,761.5 View ₩1,944.7 ₩1,888.3 ₩1,676.9 MouseReel Available	Min.: 1 Mult.: 1 : 2,500								Si								Reel, Cut Tape, MouseReel
AC/DC Converters COOLSET ICE2QR1765XKLA1 Infineon Technologies 2,000: ₩1,662.9 Non-Stocked Lead-Time 17 Weeks NRND	Mfr. Part # ICE2QR1765XKLA1 Mouser Part # 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	₩1,662.9 ₩1,620.6	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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