Voltage Regulators & Voltage Controllers

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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.	Mounting Style	Package/Case	Output Voltage
LDO Voltage Regulators OPTIREG LINEAR TLS820F3ELV33XUMA1 Infineon Technologies 1: $1.62 2,926In 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	2,926In Stock	Cut Tape $1.62 $1.19 $1.08 $0.957 Reel $0.804 View $0.90 $0.865 $0.858 $0.786 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	SSOP-14	3.3 V
Linear Voltage Regulators OPTIREG LINEAR TLS850C2TEV33ATMA1 Infineon Technologies 1: $1.34 2,024In 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	2,024In Stock	Cut Tape $1.34 $1.05 $0.976 $0.897 Reel $0.79 View $0.858 $0.834 $0.827 $0.768	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	TO-252-5	3.3 V
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 $0.98 $0.944 $0.939 $0.861 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	TO252-7	5 V
LDO Voltage Regulators OPTIREG LINEAR TLF80511TFV50ATMA2 Infineon Technologies 1: $1.44 13,716In 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	13,716In Stock	Cut Tape $1.44 $1.05 $0.941 $0.833 Reel $0.682 View $0.783 $0.751 $0.733 $0.665	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	TO-252-3	5 V
LDO Voltage Regulators OPTIREG LINEAR TLF44773LAXUMA1 Infineon Technologies 1: $3.26 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 $3.26 $2.44 $2.24 $2.01 View Reel $1.69 $1.91 $1.88 $1.78 $1.73 $1.69	Min.: 1 Mult.: 1 : 5,000	SMD/SMT	TSON-14
LDO Voltage Regulators OPTIREG LINEAR TLS820F3ELV50XUMA1 Infineon Technologies 1: $1.62 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 $1.62 $1.19 $1.08 $0.957 Reel $0.804 View $0.90 $0.865 $0.857 $0.786 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	SSOP-14	5 V
LDO Voltage Regulators OPTIREG LINEAR TLT125D0EJXUMA1 Infineon Technologies 1: $2.09 1,843In 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	1,843In Stock	Cut Tape $2.09 $1.56 $1.41 $1.26 Reel $1.07 View $1.17 $1.14 $1.12 $1.04	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	DSO-8
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	SMD/SMT	TO252-7	3.3 V
LDO Voltage Regulators OPTIREG LINEAR TLE42644GHTMA1 Infineon Technologies 1: $1.65 2,353In Stock 4,000On Order	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	2,353In Stock 4,000On Order	Cut Tape $1.65 $1.21 $1.10 $0.975 View Reel $0.80 $0.916 $0.882 $0.876 $0.844 $0.80 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	SMD/SMT	SOT223-4	5 V
LDO Voltage Regulators OPTIREG LINEAR TLE42672GATMA1 Infineon Technologies 1: $2.90 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 $2.90 $2.16 $1.98 $1.78 Reel $1.60 View $1.67 $1.65 $1.49 $1.47 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	TO-263-8	5 V
LDO Voltage Regulators OPTIREG LINEAR TLS125D0EJXUMA1 Infineon Technologies 1: $1.94 1,938In 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	1,938In Stock	Cut Tape $1.94 $1.43 $1.31 $1.16 Reel $0.983 View $1.10 $1.06 $0.95	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	DSO-8
Switching Voltage Regulators OPTIREG SWITCHER TLS4125D0EPV50XUMA1 Infineon Technologies 1: $4.48 3,550In 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	3,550In Stock	Cut Tape $4.48 $3.40 $3.13 $2.83 View Reel $2.44 $2.69 $2.67 $2.59 $2.44 Quote MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	TSDSO-14	5 V
Linear Voltage Regulators OPTIREG LINEAR TLS850C2TEV50ATMA1 Infineon Technologies 1: $1.65 1,617Expected 2026/11/05	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 2026/11/05	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	SMD/SMT	TO-252-5	5 V
LDO Voltage Regulators Low Drop Voltage Regulator, TO-263-5 TLE4276GV50ATMA4 Infineon Technologies 1: $2.19 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 $2.19 $1.70 $1.58 $1.44 Reel $1.30 View $1.38 $1.35 $1.26 $1.24	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	TO-263-5	5 V

OPTIREG™ Switcher Regulators

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OPTIREG™ Switcher Regulators

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