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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Types of Voltage Regulators & Voltage Controllers

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.	Mounting Style	Package/Case	Output Voltage	Output Current
LDO Voltage Regulators OPTIREG LINEAR TLS820F3ELV33XUMA1 Infineon Technologies 1: 1,39 € 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 1,39 € 1,02 € 0,929 € 0,823 € Reel 0,691 € View 0,774 € 0,744 € 0,738 € 0,676 € MouseReel Available	Min.: 1 Mult.: 1 : 2.500	SMD/SMT	SSOP-14	3.3 V	550 mA
LDO Voltage Regulators OPTIREG LINEAR TLF44773LAXUMA1 Infineon Technologies 1: 2,80 € 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 2,80 € 2,10 € 1,93 € 1,73 € View Reel 1,45 € 1,64 € 1,62 € 1,53 € 1,49 € 1,45 €	Min.: 1 Mult.: 1 : 5.000	SMD/SMT	TSON-14		500 mA
LDO Voltage Regulators OPTIREG LINEAR TLS850F3TUV50ATMA1 Infineon Technologies 1: 1,51 € 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 1,51 € 1,10 € 1,01 € 0,894 € Reel 0,758 € View 0,843 € 0,812 € 0,807 € 0,74 € MouseReel Available	Min.: 1 Mult.: 1 : 2.500	SMD/SMT	TO252-7	5 V	500 mA
LDO Voltage Regulators OPTIREG LINEAR TLS820F3ELV50XUMA1 Infineon Technologies 1: 1,39 € 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 1,39 € 1,02 € 0,929 € 0,823 € Reel 0,691 € View 0,774 € 0,744 € 0,737 € 0,676 € MouseReel Available	Min.: 1 Mult.: 1 : 2.500	SMD/SMT	SSOP-14	5 V	200 mA
LDO Voltage Regulators OPTIREG LINEAR TLT125D0EJXUMA1 Infineon Technologies 1: 1,81 € 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 1,81 € 1,34 € 1,23 € 1,09 € Reel 0,92 € View 1,03 € 0,998 € 0,955 € 0,903 €	Min.: 1 Mult.: 1 : 2.500	SMD/SMT	DSO-8		250 mA
LDO Voltage Regulators OPTIREG LINEAR TLF80511TFV50ATMA2 Infineon Technologies 1: 1,24 € 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 1,24 € 0,903 € 0,818 € 0,726 € Reel 0,609 € View 0,681 € 0,654 € 0,637 € 0,595 €	Min.: 1 Mult.: 1 : 2.500	SMD/SMT	TO-252-3	5 V	400 mA
Linear Voltage Regulators OPTIREG LINEAR TLS850C2TEV33ATMA1 Infineon Technologies 1: 1,39 € 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 1,39 € 1,02 € 0,929 € 0,823 € Reel 0,692 € View 0,775 € 0,745 € 0,739 € 0,677 €	Min.: 1 Mult.: 1 : 2.500	SMD/SMT	TO-252-5	3.3 V	500 mA
LDO Voltage Regulators OPTIREG LINEAR TLS850F3TUV33ATMA1 Infineon Technologies 1: 1,51 € 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 1,51 € 1,10 € 1,01 € 0,894 € Reel 0,758 € View 0,844 € 0,812 € 0,807 € 0,74 € MouseReel Available	Min.: 1 Mult.: 1 : 2.500	SMD/SMT	TO252-7	3.3 V	1.1 A
LDO Voltage Regulators OPTIREG LINEAR TLE42644GHTMA1 Infineon Technologies 1: 1,42 € 2.363In 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	2.363In Stock 4.000On Order	Cut Tape 1,42 € 1,04 € 0,946 € 0,838 € View Reel 0,688 € 0,788 € 0,758 € 0,753 € 0,726 € 0,688 € MouseReel Available	Min.: 1 Mult.: 1 : 4.000	SMD/SMT	SOT223-4	5 V	100 mA
LDO Voltage Regulators OPTIREG LINEAR TLE42672GATMA1 Infineon Technologies 1: 2,49 € 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 2,49 € 1,86 € 1,70 € 1,53 € Reel 1,38 € View 1,44 € 1,42 € 1,27 € 1,26 € MouseReel Available	Min.: 1 Mult.: 1 : 1.000	SMD/SMT	TO-263-8	5 V	400 mA
LDO Voltage Regulators OPTIREG LINEAR TLS125D0EJXUMA1 Infineon Technologies 1: 1,67 € 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 1,67 € 1,23 € 1,13 € 0,998 € Reel 0,845 € View 0,946 € 0,912 € 0,827 €	Min.: 1 Mult.: 1 : 2.500	SMD/SMT	DSO-8		250 mA
Switching Voltage Regulators OPTIREG SWITCHER TLS4125D0EPV50XUMA1 Infineon Technologies 1: 3,85 € 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 3,85 € 2,92 € 2,69 € 2,43 € View Reel 2,08 € 2,31 € 2,30 € 2,23 € 2,08 € Quote MouseReel Available	Min.: 1 Mult.: 1 : 3.000	SMD/SMT	TSDSO-14	5 V	2.5 A
Linear Voltage Regulators OPTIREG LINEAR TLS850C2TEV50ATMA1 Infineon Technologies 1: 1,42 € 1.617Expected 11/5/2026	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 11/5/2026	Cut Tape 1,42 € 1,03 € 0,937 € 0,83 € Reel 0,692 € View 0,779 € 0,749 € 0,74 € 0,677 €	Min.: 1 Mult.: 1 : 2.500	SMD/SMT	TO-252-5	5 V	500 mA
LDO Voltage Regulators Low Drop Voltage Regulator, TO-263-5 TLE4276GV50ATMA4 Infineon Technologies 1: 1,98 € 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 1,98 € 1,55 € 1,41 € 1,26 € Reel 1,10 € View 1,19 € 1,15 € 1,08 € 1,07 €	Min.: 1 Mult.: 1 : 1.000	SMD/SMT	TO-263-5	5 V	400 mA

OPTIREG™ Switcher Regulators

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