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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 (USD) Filter the results in the table by unit price based on your quantity.	Qty.
LDO Voltage Regulators OPTIREG LINEAR TLS820F3ELV33XUMA1 Infineon Technologies 1: $1.63 2,936In Stock	Mfr. Part No. TLS820F3ELV33XUMA1 Mouser Part No 726-TLS820F3ELV33XUM	Infineon Technologies	LDO Voltage Regulators OPTIREG LINEAR Learn More about Infineon Technologies infineon optireg switcher regulators	Datasheet	2,936In Stock	Cut Tape $1.63 $1.19 $1.08 $0.962 Reel $0.804 View $0.904 $0.868 $0.858 $0.786 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
LDO Voltage Regulators OPTIREG LINEAR TLS850F3TUV50ATMA1 Infineon Technologies 1: $1.76 2,814In Stock	Mfr. Part No. TLS850F3TUV50ATMA1 Mouser Part No 726-TLS850F3TUV50ATM	Infineon Technologies	LDO Voltage Regulators OPTIREG LINEAR Learn More about Infineon Technologies infineon optireg switcher regulators	Datasheet	2,814In Stock	Cut Tape $1.76 $1.28 $1.17 $1.04 Reel $0.882 View $0.982 $0.944 $0.939 $0.861 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
LDO Voltage Regulators OPTIREG LINEAR TLF44773LAXUMA1 Infineon Technologies 1: $3.31 3,488In Stock	Mfr. Part No. TLF44773LAXUMA1 Mouser Part No 726-TLF44773LAXUMA1	Infineon Technologies	LDO Voltage Regulators OPTIREG LINEAR Learn More about Infineon Technologies infineon optireg switcher regulators	Datasheet	3,488In Stock	Cut Tape $3.31 $2.47 $2.26 $2.02 View Reel $1.69 $1.91 $1.87 $1.77 $1.72 $1.69	Min.: 1 Mult.: 1 : 5,000
Linear Voltage Regulators OPTIREG LINEAR TLS850C2TEV33ATMA1 Infineon Technologies 1: $1.36 2,025In Stock	Mfr. Part No. TLS850C2TEV33ATMA1 Mouser Part No 726-S850C2TEV33ATMA1	Infineon Technologies	Linear Voltage Regulators OPTIREG LINEAR Learn More about Infineon Technologies infineon optireg switcher regulators	Datasheet	2,025In Stock	Cut Tape $1.36 $1.04 $0.954 $0.864 Reel $0.754 View $0.818 $0.795 $0.789 $0.75	Min.: 1 Mult.: 1 : 2,500
LDO Voltage Regulators OPTIREG LINEAR TLS820F3ELV50XUMA1 Infineon Technologies 1: $1.55 4,989In Stock	Mfr. Part No. TLS820F3ELV50XUMA1 Mouser Part No 726-TLS820F3ELV50XUM	Infineon Technologies	LDO Voltage Regulators OPTIREG LINEAR Learn More about Infineon Technologies infineon optireg switcher regulators	Datasheet	4,989In Stock	Cut Tape $1.55 $1.14 $1.03 $0.913 View Reel $0.729 $0.858 $0.826 $0.818 $0.729 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
LDO Voltage Regulators OPTIREG LINEAR TLT125D0EJXUMA1 Infineon Technologies 1: $2.01 1,897In Stock	Mfr. Part No. TLT125D0EJXUMA1 Mouser Part No 726-TLT125D0EJXUMA1	Infineon Technologies	LDO Voltage Regulators OPTIREG LINEAR Learn More about Infineon Technologies infineon optireg switcher regulators	Datasheet	1,897In Stock	Cut Tape $2.01 $1.49 $1.35 $1.21 Reel $1.02 View $1.14 $1.10 $1.06 $0.999	Min.: 1 Mult.: 1 : 2,500
LDO Voltage Regulators OPTIREG LINEAR TLE42644GHTMA1 Infineon Technologies 1: $1.58 3,763In Stock	Mfr. Part No. TLE42644GHTMA1 Mouser Part No 726-TLE42644GHTMA1	Infineon Technologies	LDO Voltage Regulators OPTIREG LINEAR Learn More about Infineon Technologies infineon optireg switcher regulators	Datasheet	3,763In Stock	Cut Tape $1.58 $1.16 $1.05 $0.93 View Reel $0.762 $0.875 $0.84 $0.833 $0.804 $0.762 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
LDO Voltage Regulators OPTIREG LINEAR TLE42672GATMA1 Infineon Technologies 1: $2.76 1,089In Stock	Mfr. Part No. TLE42672GATMA1 Mouser Part No 726-TLE42672GATMA1	Infineon Technologies	LDO Voltage Regulators OPTIREG LINEAR Learn More about Infineon Technologies infineon optireg switcher regulators	Datasheet	1,089In Stock	Cut Tape $2.76 $2.06 $1.90 $1.69 Reel $1.54 View $1.60 $1.57 $1.42 $1.40 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
LDO Voltage Regulators OPTIREG LINEAR TLF80511TFV50ATMA2 Infineon Technologies 1: $1.38 14,716In Stock	Mfr. Part No. TLF80511TFV50ATMA2 Mouser Part No 726-TLF80511TFV50AT2	Infineon Technologies	LDO Voltage Regulators OPTIREG LINEAR Learn More about Infineon Technologies infineon optireg switcher regulators	Datasheet	14,716In Stock	Cut Tape $1.38 $1.01 $0.909 $0.806 Reel $0.676 View $0.756 $0.726 $0.706 $0.661	Min.: 1 Mult.: 1 : 2,500
LDO Voltage Regulators OPTIREG LINEAR TLS125D0EJXUMA1 Infineon Technologies 1: $1.86 2,048In Stock	Mfr. Part No. TLS125D0EJXUMA1 Mouser Part No 726-TLS125D0EJXUMA1	Infineon Technologies	LDO Voltage Regulators OPTIREG LINEAR Learn More about Infineon Technologies infineon optireg switcher regulators	Datasheet	2,048In Stock	Cut Tape $1.86 $1.37 $1.26 $1.11 Reel $0.937 View $1.05 $1.01 $0.915	Min.: 1 Mult.: 1 : 2,500
Switching Voltage Regulators OPTIREG SWITCHER TLS4125D0EPV50XUMA1 Infineon Technologies 1: $4.28 3,753In Stock	Mfr. Part No. TLS4125D0EPV50XUMA1 Mouser Part No 726-TLS4125D0EPV50XU	Infineon Technologies	Switching Voltage Regulators OPTIREG SWITCHER Learn More about Infineon Technologies infineon optireg switcher regulators	Datasheet	3,753In Stock	Cut Tape $4.28 $3.26 $2.99 $2.70 View Reel $2.33 $2.57 $2.56 $2.40 $2.33 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
LDO Voltage Regulators OPTIREG LINEAR TLS850F3TUV33ATMA1 Infineon Technologies 1: $1.76 540In Stock	Mfr. Part No. TLS850F3TUV33ATMA1 Mouser Part No 726-TLS850F3TUV33ATM	Infineon Technologies	LDO Voltage Regulators OPTIREG LINEAR Learn More about Infineon Technologies infineon optireg switcher regulators	Datasheet	540In Stock	Cut Tape $1.76 $1.28 $1.17 $1.04 Reel $0.882 View $0.982 $0.944 $0.939 $0.861 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Linear Voltage Regulators OPTIREG LINEAR TLS850C2TEV50ATMA1 Infineon Technologies 1: $1.65 1,617Expected 2026/10/22	Mfr. Part No. TLS850C2TEV50ATMA1 Mouser Part No 726-S850C2TEV50ATMA1	Infineon Technologies	Linear Voltage Regulators OPTIREG LINEAR Learn More about Infineon Technologies infineon optireg switcher regulators	Datasheet	1,617Expected 2026/10/22	Cut Tape $1.65 $1.20 $1.09 $0.965 Reel $0.805 View $0.906 $0.871 $0.861 $0.787	Min.: 1 Mult.: 1 : 2,500
LDO Voltage Regulators Low Drop Voltage Regulator, TO-263-5 TLE4276GV50ATMA4 Infineon Technologies 1: $2.30 Non-Stocked Lead-Time 16 Weeks NRND	Mfr. Part No. TLE4276GV50ATMA4 Mouser Part No 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 $2.30 $1.80 $1.64 $1.47 Reel $1.28 View $1.38 $1.34 $1.26 $1.24	Min.: 1 Mult.: 1 : 1,000

OPTIREG™ Switcher Regulators

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