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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 (USD) 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 COOLSET ICE2QR0665XKLA1 Infineon Technologies 1: $2.53 1,443In Stock	Mfr. Part # ICE2QR0665XKLA1 Mouser Part # 726-ICE2QR0665XKLA1	Infineon Technologies	AC/DC Converters COOLSET Learn More about Infineon Technologies infineon quasi resonant coolset	Datasheet	1,443In Stock	$2.53 $2.02 $1.86 $1.76 View $1.69 $1.66 $1.61 $1.59 $1.56	Min.: 1 Mult.: 1								Si							QR CoolSET	Tube
AC/DC Converters AC/DC COOLSET ICE2QR2280G1XUMA1 Infineon Technologies 1: $2.22 2,203In Stock	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	2,203In Stock	Cut Tape $2.22 $1.65 $1.50 $1.34 Reel $1.13 View $1.27 $1.23 $1.18 $1.11 MouseReel Available	Min.: 1 Mult.: 1 : 2,500		SOIC-12						Si							QR CoolSET	Reel, Cut Tape, MouseReel
AC/DC Converters PWM Controller 650V 2.5A ICE2QR0665Z Infineon Technologies 1: $2.91 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	$2.91 $2.17 $1.98 $1.78 View $1.68 $1.64 $1.56 $1.50 $1.48	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: $2.24 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 $2.24 $1.66 $1.51 $1.35 Reel $1.07 View $1.27 $1.23 $1.18 $1.04 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: $2.25 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 $2.25 $1.66 $1.51 $1.35 Reel $1.15 View $1.27 $1.23 $1.18 $1.11 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: $1.56 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 $1.56 $1.15 $1.04 $0.918 Reel $0.773 View $0.863 $0.829 $0.821 $0.756 MouseReel Available	Min.: 1 Mult.: 1 : 2,500								Si								Reel, Cut Tape, MouseReel
AC/DC Converters PWM Controller 650V 1.5A ICE2QR1765Z Infineon Technologies 1: $2.31 1,301In 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	1,301In Stock	$2.31 $1.71 $1.52 $1.40 View $1.32 $1.28 $1.23 $1.18 $1.16	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 1.5A ICE2QR1765G Infineon Technologies 1: $2.41 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 $2.41 $1.79 $1.63 $1.46 Reel $1.24 View $1.38 $1.34 $1.30 $1.21 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 ICE2QR0665G Infineon Technologies 1: $2.96 1,900In 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	1,900In Stock	Cut Tape $2.96 $2.22 $2.03 $1.82 Reel $1.52 View $1.72 $1.69 $1.61 $1.50 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: $2.36 1,700In 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	1,700In Stock	Cut Tape $2.36 $1.75 $1.60 $1.43 Reel $1.21 View $1.35 $1.32 $1.27 $1.18	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 PWM Controller 650V 2.5A ICE2QR0665ZXKLA1 Infineon Technologies 1: $2.88 689In 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	689In Stock	$2.88 $2.15 $1.86 $1.77 View $1.68 $1.62 $1.56 $1.48 $1.45	Min.: 1 Mult.: 1		DIP-7						Si							QR CoolSET	Tube
AC/DC Converters COOLSET ICE5QR0680BGXUMA1 Infineon Technologies 1: $3.06 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 $3.06 $2.30 $2.10 $1.89 Reel $1.61 View $1.79 $1.76 $1.67 $1.58	Min.: 1 Mult.: 1 : 2,500								Si								Reel, Cut Tape
AC/DC Converters .DP LITE COOLSET ICE5QR0680AGXUMA1 Infineon Technologies 1: $3.06 2,054In 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	2,054In Stock	Cut Tape $3.06 $2.30 $2.10 $1.89 Reel $1.61 View $1.79 $1.76 $1.71 $1.58	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 ICE5QR1680BGXUMA1 Infineon Technologies 1: $2.36 4,011In Stock	Mfr. Part # ICE5QR1680BGXUMA1 Mouser Part # 726-ICE5QR1680BGXUMA	Infineon Technologies	AC/DC Converters COOLSET Learn More about Infineon Technologies infineon quasi resonant coolset	Datasheet	4,011In Stock	Cut Tape $2.36 $1.75 $1.60 $1.43 Reel $1.25 View $1.38 $1.34 $1.19 MouseReel Available	Min.: 1 Mult.: 1 : 2,500								Si								Reel, Cut Tape, MouseReel
AC/DC Converters COOLSET ICE5QR2280BGXUMA1 Infineon Technologies 1: $2.11 2,678In Stock	Mfr. Part # ICE5QR2280BGXUMA1 Mouser Part # 726-ICE5QR2280BGXUMA	Infineon Technologies	AC/DC Converters COOLSET Learn More about Infineon Technologies infineon quasi resonant coolset	Datasheet	2,678In Stock	Cut Tape $2.11 $1.56 $1.43 $1.27 Reel $1.11 View $1.20 $1.16 $1.14 $1.05 MouseReel Available	Min.: 1 Mult.: 1 : 2,500								Si								Reel, Cut Tape, MouseReel
AC/DC Converters COOLSET ICE5QSAGXUMA1 Infineon Technologies 1: $1.21 2,724In Stock	Mfr. Part # ICE5QSAGXUMA1 Mouser Part # 726-ICE5QSAGXUMA1	Infineon Technologies	AC/DC Converters COOLSET Learn More about Infineon Technologies infineon quasi resonant coolset	Datasheet	2,724In Stock	Cut Tape $1.21 $0.884 $0.801 $0.712 Reel $0.615 View $0.676 $0.649 $0.621 $0.588 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: $1.24 9,972In Stock	Mfr. Part # ICE5QSBGXUMA1 Mouser Part # 726-ICE5QSBGXUMA1	Infineon Technologies	AC/DC Converters COOLSET Learn More about Infineon Technologies infineon quasi resonant coolset	Datasheet	9,972In Stock	Cut Tape $1.24 $0.90 $0.815 $0.721 Reel $0.602 View $0.676 $0.649 $0.621 $0.588	Min.: 1 Mult.: 1 : 2,500								Si								Reel, Cut Tape
AC/DC Converters COOLSET ICE2QR1765XKLA1 Infineon Technologies 2,000: $1.18 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	$1.18 $1.15	Min.: 2,000 Mult.: 2,000	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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