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OPTIREG™ Switcher Regulators

Infineon OPTIREG™ Switcher Regulators are synchronous step-down regulators specially designed for automotive applications. The device has a current capability of 2A or 2.5A, fixed 3.3V or 5V output voltage, and a feedback voltage accuracy of ±1.5% in PWM mode. The integrated power stages, soft-start feature, and integrated compensation network reduce the required amount of external components and thus system costs and board space. The wide input voltage range and a 100% duty cycle operation mode make the device suitable for battery-cranking scenarios in automotive applications. The wide switching frequency range allows the selection of appropriate coils and capacitors. The switching frequency can be synchronized to an external clock signal.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CLP) Filter the results in the table by unit price based on your quantity.	Qty.
LDO Voltage Regulators OPTIREG LINEAR TLS820F3ELV33XUMA1 Infineon Technologies 1: $1.846 2.926In Stock	Mfr. Part # TLS820F3ELV33XUMA1 Mouser Part # 726-TLS820F3ELV33XUM	Infineon Technologies	LDO Voltage Regulators OPTIREG LINEAR Learn More about Infineon Technologies infineon optireg switcher regulators	Datasheet	2.926In Stock	Cut Tape $1.846 $1.356 $1.230 $1.090 Reel $915 View $1.025 $985 $977 $895 MouseReel Available	Min.: 1 Mult.: 1 : 2.500
LDO Voltage Regulators OPTIREG LINEAR TLF44773LAXUMA1 Infineon Technologies 1: $3.703 3.488In Stock	Mfr. Part # TLF44773LAXUMA1 Mouser Part # 726-TLF44773LAXUMA1	Infineon Technologies	LDO Voltage Regulators OPTIREG LINEAR Learn More about Infineon Technologies infineon optireg switcher regulators	Datasheet	3.488In Stock	Cut Tape $3.703 $2.780 $2.552 $2.290 View Reel $1.925 $2.176 $2.142 $2.028 $1.971 $1.925	Min.: 1 Mult.: 1 : 5.000
LDO Voltage Regulators OPTIREG LINEAR TLS850F3TUV50ATMA1 Infineon Technologies 1: $1.994 2.814In Stock	Mfr. Part # TLS850F3TUV50ATMA1 Mouser Part # 726-TLS850F3TUV50ATM	Infineon Technologies	LDO Voltage Regulators OPTIREG LINEAR Learn More about Infineon Technologies infineon optireg switcher regulators	Datasheet	2.814In Stock	Cut Tape $1.994 $1.458 $1.333 $1.185 Reel $1.004 View $1.116 $1.075 $1.069 $981 MouseReel Available	Min.: 1 Mult.: 1 : 2.500
LDO Voltage Regulators OPTIREG LINEAR TLS820F3ELV50XUMA1 Infineon Technologies 1: $1.846 4.989In Stock	Mfr. Part # TLS820F3ELV50XUMA1 Mouser Part # 726-TLS820F3ELV50XUM	Infineon Technologies	LDO Voltage Regulators OPTIREG LINEAR Learn More about Infineon Technologies infineon optireg switcher regulators	Datasheet	4.989In Stock	Cut Tape $1.846 $1.356 $1.230 $1.090 Reel $915 View $1.025 $985 $976 $895 MouseReel Available	Min.: 1 Mult.: 1 : 2.500
LDO Voltage Regulators OPTIREG LINEAR TLT125D0EJXUMA1 Infineon Technologies 1: $2.404 1.843In Stock	Mfr. Part # TLT125D0EJXUMA1 Mouser Part # 726-TLT125D0EJXUMA1	Infineon Technologies	LDO Voltage Regulators OPTIREG LINEAR Learn More about Infineon Technologies infineon optireg switcher regulators	Datasheet	1.843In Stock	Cut Tape $2.404 $1.777 $1.629 $1.447 Reel $1.219 View $1.367 $1.322 $1.265 $1.196	Min.: 1 Mult.: 1 : 2.500
LDO Voltage Regulators OPTIREG LINEAR TLF80511TFV50ATMA2 Infineon Technologies 1: $1.641 13.716In Stock	Mfr. Part # TLF80511TFV50ATMA2 Mouser Part # 726-TLF80511TFV50AT2	Infineon Technologies	LDO Voltage Regulators OPTIREG LINEAR Learn More about Infineon Technologies infineon optireg switcher regulators	Datasheet	13.716In Stock	Cut Tape $1.641 $1.196 $1.083 $962 Reel $807 View $902 $867 $844 $788	Min.: 1 Mult.: 1 : 2.500
Linear Voltage Regulators OPTIREG LINEAR TLS850C2TEV33ATMA1 Infineon Technologies 1: $1.846 2.024In Stock	Mfr. Part # TLS850C2TEV33ATMA1 Mouser Part # 726-S850C2TEV33ATMA1	Infineon Technologies	Linear Voltage Regulators OPTIREG LINEAR Learn More about Infineon Technologies infineon optireg switcher regulators	Datasheet	2.024In Stock	Cut Tape $1.846 $1.356 $1.230 $1.090 Reel $917 View $1.026 $987 $979 $897	Min.: 1 Mult.: 1 : 2.500
LDO Voltage Regulators OPTIREG LINEAR TLS850F3TUV33ATMA1 Infineon Technologies 1: $1.994 540In Stock	Mfr. Part # TLS850F3TUV33ATMA1 Mouser Part # 726-TLS850F3TUV33ATM	Infineon Technologies	LDO Voltage Regulators OPTIREG LINEAR Learn More about Infineon Technologies infineon optireg switcher regulators	Datasheet	540In Stock	Cut Tape $1.994 $1.458 $1.333 $1.185 Reel $1.004 View $1.118 $1.075 $1.069 $981 MouseReel Available	Min.: 1 Mult.: 1 : 2.500
LDO Voltage Regulators OPTIREG LINEAR TLE42644GHTMA1 Infineon Technologies 1: $1.880 2.363In Stock 4.000Expected 1/19/2027	Mfr. Part # TLE42644GHTMA1 Mouser Part # 726-TLE42644GHTMA1	Infineon Technologies	LDO Voltage Regulators OPTIREG LINEAR Learn More about Infineon Technologies infineon optireg switcher regulators	Datasheet	2.363In Stock 4.000Expected 1/19/2027	Cut Tape $1.880 $1.379 $1.253 $1.110 View Reel $911 $1.044 $1.004 $997 $962 $911 MouseReel Available	Min.: 1 Mult.: 1 : 4.000
LDO Voltage Regulators OPTIREG LINEAR TLE42672GATMA1 Infineon Technologies 1: $3.293 1.089In Stock	Mfr. Part # TLE42672GATMA1 Mouser Part # 726-TLE42672GATMA1	Infineon Technologies	LDO Voltage Regulators OPTIREG LINEAR Learn More about Infineon Technologies infineon optireg switcher regulators	Datasheet	1.089In Stock	Cut Tape $3.293 $2.461 $2.256 $2.028 Reel $1.834 View $1.914 $1.880 $1.686 $1.663 MouseReel Available	Min.: 1 Mult.: 1 : 1.000
LDO Voltage Regulators OPTIREG LINEAR TLS125D0EJXUMA1 Infineon Technologies 1: $2.210 2.048In Stock	Mfr. Part # TLS125D0EJXUMA1 Mouser Part # 726-TLS125D0EJXUMA1	Infineon Technologies	LDO Voltage Regulators OPTIREG LINEAR Learn More about Infineon Technologies infineon optireg switcher regulators	Datasheet	2.048In Stock	Cut Tape $2.210 $1.629 $1.492 $1.322 Reel $1.120 View $1.253 $1.208 $1.096	Min.: 1 Mult.: 1 : 2.500
Switching Voltage Regulators OPTIREG SWITCHER TLS4125D0EPV50XUMA1 Infineon Technologies 1: $5.104 3.753In Stock	Mfr. Part # TLS4125D0EPV50XUMA1 Mouser Part # 726-TLS4125D0EPV50XU	Infineon Technologies	Switching Voltage Regulators OPTIREG SWITCHER Learn More about Infineon Technologies infineon optireg switcher regulators	Datasheet	3.753In Stock	Cut Tape $5.104 $3.874 $3.566 $3.224 View Reel $2.757 $3.065 $3.053 $2.951 $2.757 Quote MouseReel Available	Min.: 1 Mult.: 1 : 3.000
Linear Voltage Regulators OPTIREG LINEAR TLS850C2TEV50ATMA1 Infineon Technologies 1: $1.880 1.617Expected 11/5/2026	Mfr. Part # TLS850C2TEV50ATMA1 Mouser Part # 726-S850C2TEV50ATMA1	Infineon Technologies	Linear Voltage Regulators OPTIREG LINEAR Learn More about Infineon Technologies infineon optireg switcher regulators	Datasheet	1.617Expected 11/5/2026	Cut Tape $1.880 $1.367 $1.242 $1.099 Reel $917 View $1.032 $992 $980 $897	Min.: 1 Mult.: 1 : 2.500
LDO Voltage Regulators Low Drop Voltage Regulator, TO-263-5 TLE4276GV50ATMA4 Infineon Technologies 1: $2.620 Non-Stocked Lead-Time 16 Weeks NRND	Mfr. Part # TLE4276GV50ATMA4 Mouser Part # 726-TLE4276GV50ATMA4 NRND	Infineon Technologies	LDO Voltage Regulators Low Drop Voltage Regulator, TO-263-5 Learn More about Infineon Technologies infineon optireg switcher regulators	Datasheet	Non-Stocked Lead-Time 16 Weeks	Cut Tape $2.620 $2.051 $1.868 $1.675 Reel $1.458 View $1.572 $1.527 $1.435 $1.413	Min.: 1 Mult.: 1 : 1.000

OPTIREG™ Switcher Regulators

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