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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 (SGD) Filter the results in the table by unit price based on your quantity.	Qty.
LDO Voltage Regulators OPTIREG LINEAR TLS820F3ELV33XUMA1 Infineon Technologies 1: $2.20 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 $2.20 $1.62 $1.47 $1.30 Reel $1.09 View $1.22 $1.18 $1.17 $1.07 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
LDO Voltage Regulators OPTIREG LINEAR TLS850F3TUV50ATMA1 Infineon Technologies 1: $2.38 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 $2.38 $1.74 $1.59 $1.41 Reel $1.20 View $1.33 $1.28 $1.17 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Linear Voltage Regulators OPTIREG LINEAR TLS850C2TEV33ATMA1 Infineon Technologies 1: $1.82 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 $1.82 $1.43 $1.33 $1.22 Reel $1.07 View $1.17 $1.13 $1.12 $1.04	Min.: 1 Mult.: 1 : 2,500
LDO Voltage Regulators OPTIREG LINEAR TLF80511TFV50ATMA2 Infineon Technologies 1: $1.96 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 $1.96 $1.43 $1.28 $1.13 Reel $0.926 View $1.06 $1.02 $0.997 $0.904	Min.: 1 Mult.: 1 : 2,500
LDO Voltage Regulators OPTIREG LINEAR TLS820F3ELV50XUMA1 Infineon Technologies 1: $2.20 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 $2.20 $1.62 $1.47 $1.30 Reel $1.09 View $1.22 $1.18 $1.17 $1.07 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
LDO Voltage Regulators OPTIREG LINEAR TLT125D0EJXUMA1 Infineon Technologies 1: $2.84 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 $2.84 $2.12 $1.92 $1.70 Reel $1.46 View $1.60 $1.55 $1.52 $1.41	Min.: 1 Mult.: 1 : 2,500
LDO Voltage Regulators OPTIREG LINEAR TLF44773LAXUMA1 Infineon Technologies 1: $4.42 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 $4.42 $3.32 $3.05 $2.73 View Reel $2.30 $2.60 $2.56 $2.42 $2.35 $2.30	Min.: 1 Mult.: 1 : 5,000
LDO Voltage Regulators OPTIREG LINEAR TLS850F3TUV33ATMA1 Infineon Technologies 1: $2.38 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 $2.38 $1.74 $1.59 $1.41 Reel $1.20 View $1.33 $1.28 $1.17 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
LDO Voltage Regulators OPTIREG LINEAR TLE42644GHTMA1 Infineon Technologies 1: $2.24 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 $2.24 $1.65 $1.50 $1.32 View Reel $1.09 $1.25 $1.20 $1.19 $1.15 $1.09 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
LDO Voltage Regulators OPTIREG LINEAR TLE42672GATMA1 Infineon Technologies 1: $3.93 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 $3.93 $2.94 $2.69 $2.42 Reel $2.19 View $2.28 $2.24 $2.03 $1.99 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
LDO Voltage Regulators OPTIREG LINEAR TLS125D0EJXUMA1 Infineon Technologies 1: $2.64 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 $2.64 $1.94 $1.78 $1.58 Reel $1.34 View $1.50 $1.44 $1.29	Min.: 1 Mult.: 1 : 2,500
Switching Voltage Regulators OPTIREG SWITCHER TLS4125D0EPV50XUMA1 Infineon Technologies 1: $6.09 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 $6.09 $4.62 $4.26 $3.85 View Reel $3.32 $3.66 $3.64 $3.52 $3.32 Quote MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Linear Voltage Regulators OPTIREG LINEAR TLS850C2TEV50ATMA1 Infineon Technologies 1: $2.24 1,617Expected 5/11/2026	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 5/11/2026	Cut Tape $2.24 $1.63 $1.48 $1.31 Reel $1.09 View $1.23 $1.18 $1.17 $1.07	Min.: 1 Mult.: 1 : 2,500
LDO Voltage Regulators Low Drop Voltage Regulator, TO-263-5 TLE4276GV50ATMA4 Infineon Technologies 1: $2.98 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 $2.98 $2.31 $2.15 $1.96 Reel $1.77 View $1.88 $1.84 $1.71 $1.69	Min.: 1 Mult.: 1 : 1,000

OPTIREG™ Switcher Regulators

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OPTIREG™ Switcher Regulators

Types of Semiconductors