Voltage Regulators

Voltage regulators are ICs used to generate a stable and consistent voltage within a circuit. They take an input voltage and convert this into a fixed output voltage. Even if the input voltage changes, the regulator will continue to provide the same output. The voltage regulator will take the output voltage and compare it to a reference voltage. It will then adjust the pass device to help manage the output voltage. This helps to regulate the voltage throughout a circuit design, dependant on where the voltage regulator(s) are.

Voltage regulators are essential in electronic circuits that include components that require a particular voltage input. For example, a processor. The input voltage, output voltage and output current are all important things to consider when choosing a voltage regulator IC.

Voltage regulators cannot convert the voltage from AC to DC, for example. If you require voltage conversion to run in parallel to your voltage regulator, please see our range of Digital to Analogue Converters (DACs) or Analogue to Digital Converters (ADCs).

Types of voltage regulator

Buck-Boost Switching Regulator
Charge Pump
Linear Voltage Regulator
LDO (Low Dropout) Voltage Regulator

Where are voltage regulators used?

Voltage regulators are found in most electronics circuits that require voltage management or voltage regulation. This includes chargers, power supply units (PSUs), telecommunications and automotive applications.

7558 Products showing for Voltage Regulators

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onsemi MC7805CDTG, 1 Linear Voltage, Voltage Regulator 1A, 5 V 3-Pin, DPAK RS stock no.: 463-650 Mfr. Part No.: MC7805CDTG Datasheets: R 7,866 Each (In a Pack of 20)	onsemi	-	-	1A	Linear Voltage	1	5 V	20 mV	±4%	25 mV	Surface Mount	Positive	DPAK	3.2mA	3	-	Fixed	-	-	-	6.73 x 6.22 x 2.38mm	2.38mm	35 V	+125 °C	-	0 °C
STMicroelectronics L7905CV, 1 Linear Voltage, Voltage Regulator 1.5A, -5 V 3-Pin, TO-220 RS stock no.: 298-8615 Mfr. Part No.: L7905CV Datasheets: R 10,40 Each	STMicroelectronics	-	-	1.5A	Linear Voltage	1	-5 V	100 mV	-	100 mV	Through Hole	Negative	TO-220	3mA	3	-	Fixed	-	-	-	10.4 x 4.6 x 9.15mm	9.15mm	-35 V	+150 °C	-	0 °C
United Automation CSR604B, 1 Linear Voltage, Voltage Regulator 6A, 230 V 3-Pin RS stock no.: 489-3676 Mfr. Part No.: CSR604B Datasheets: R 651,80 Each	United Automation	-	-	6A	Linear Voltage	1	230 V	-	-	-	Through Hole	-	-	-	3	-	Adjustable	-	-	-	17.5 x 7.6 x 35.7mm	35.7mm	230 V	+70 °C	-	0 °C
Texas Instruments TPS63001DRCT, 1 DC-DC, DC-DC Converter 1.2A, 1.5 MHz 10-Pin, SON RS stock no.: 661-7067 Mfr. Part No.: TPS63001DRCT Datasheets: R 51,79 Each	Texas Instruments	Switching Regulator	-	1.2A	DC-DC	1	-	0.5 %	-	0.5 %	Surface Mount	-	SON	-	10	-	Fixed	-	1.5 MHz	96%	3 x 3 x 0.9mm	0.9mm	5.5 V	+85 °C	1.8 V	-40 °C
STMicroelectronics L7805CV-DG, 1 Linear Voltage, Voltage Regulator 1.5A, 5 V 3-Pin, TO-220 RS stock no.: 793-1346 Mfr. Part No.: L7805CV-DG Datasheets: R 8,718 Each (In a Pack of 10)	STMicroelectronics	-	-	1.5A	Linear Voltage	1	5 V	50 mV	-	100 mV	Through Hole	-	TO-220	6mA	3	-	Fixed	-	-	-	10.4 x 4.6 x 15.75mm	15.75mm	35 V	+125 °C	-	0 °C
STMicroelectronics LM317T, 1 Linear Voltage, Voltage Regulator 1.5A, 1.2 → 37 V 3-Pin, TO-220 RS stock no.: 714-0792 Mfr. Part No.: LM317T Datasheets: R 14,966 Each (In a Pack of 10)	STMicroelectronics	-	-	1.5A	Linear Voltage	1	1.2 → 37 V	0.04 %/V	-	0.5 %, 0.5 %Vo, 25 mV%/Vo	Through Hole	Positive	TO-220	-	3	1.25V	Adjustable	-	-	-	10.4 x 4.6 x 9.15mm	9.15mm	40 V	+125 °C	3 V	0 °C
Microchip MIC29302AWD, 1 Low Dropout Voltage, Voltage Regulator 3A, 1.24 → 15 V 5-Pin, TO-252 RS stock no.: 177-0613 Mfr. Part No.: MIC29302AWD Datasheets: R 47,33 Each (In a Pack of 5)	Microchip	-	-	3A	Low Dropout Voltage	1	1.24 → 15 V	0.5 %	±2%	1 %	Surface Mount	-	TO-252	-	5	1.26V	Adjustable	-	-	-	6.604 x 6.2 x 2.38mm	2.38mm	16 V	+125 °C	3 V	-40 °C
STMicroelectronics L7812CV-DG, 1 Linear Voltage, Voltage Regulator 1.5A, 12 V 3-Pin, TO-220 RS stock no.: 793-1355 Mfr. Part No.: L7812CV-DG Datasheets: R 8,339 Each (In a Pack of 10)	STMicroelectronics	-	-	1.5A	Linear Voltage	1	12 V	50 mV	-	100 mV	Through Hole	-	TO-220	6mA	3	-	Fixed	-	-	-	10.4 x 4.6 x 15.75mm	15.75mm	35 V	+125 °C	-	0 °C
STMicroelectronics L7815CV-DG, 1 Linear Voltage, Voltage Regulator 1.5A, 15 V 3-Pin, TO-220 RS stock no.: 793-1358 Mfr. Part No.: L7815CV-DG Datasheets: R 11,865 Each (In a Pack of 10)	STMicroelectronics	-	-	1.5A	Linear Voltage	1	15 V	50 mV	-	100 mV	Through Hole	-	TO-220	6mA	3	-	Fixed	-	-	-	10.4 x 4.6 x 15.75mm	15.75mm	35 V	+125 °C	-	0 °C
STMicroelectronics L7809CV, 1 Linear Voltage, Voltage Regulator 1.5A, 9 V 3-Pin, TO-220 RS stock no.: 714-0666 Mfr. Part No.: L7809CV Datasheets: R 11,758 Each (In a Pack of 10)	STMicroelectronics	-	-	1.5A	Linear Voltage	1	9 V	180 mV	2%	180 mV	Through Hole	Positive	TO-220	8mA	3	-	Fixed	-	-	-	10.4 x 4.6 x 15.75mm	15.75mm	35 V	+125 °C	-	0 °C
ROHM BA08CC0WFP-E2, 1 Low Dropout Voltage, Voltage Regulator 1A, 8 V 5-Pin, TO-252 RS stock no.: 167-7475 Mfr. Part No.: BA08CC0WFP-E2 Datasheets: R 25,879 Each (In a Pack of 10)	ROHM	-	-	1A	Low Dropout Voltage	1	8 V	100 mV	±1%	150 mV	Surface Mount	Positive	TO-252	-	5	-	Fixed	-	-	-	6.5 x 5.5 x 2.3mm	2.3mm	25 V	+125 °C	4 V	-40 °C
STMicroelectronics L7805ACV, 1 Linear Voltage, Voltage Regulator 1A, 5 V 3-Pin, TO-220 RS stock no.: 298-8508 Mfr. Part No.: L7805ACV Datasheets: R 11,95 Each	STMicroelectronics	-	-	1A	Linear Voltage	1	5 V	50 mV	2%	100 mV	Through Hole	Positive	TO-220	4.3mA	3	-	Fixed	-	-	-	10.4 x 4.6 x 9.15mm	9.15mm	35 V	+150 °C	-	0 °C
Texas Instruments LT1054IP Charge Pump, Regulator 8-Pin, PDIP RS stock no.: 662-4750 Mfr. Part No.: LT1054IP Datasheets: R 47,156 Each (In a Pack of 5)	Texas Instruments	-	-	-	Charge Pump	-	-	-	-	-	Through Hole	-	PDIP	-	8	-	-	-	-	-	9.81 x 6.35 x 4.57mm	4.57mm	-	+85 °C	-	-40 °C
Texas Instruments MC33063AD, 1 Buck Boost Switching, Regulator 1.5A 8-Pin, SOIC RS stock no.: 922-3665 Mfr. Part No.: MC33063AD Datasheets: R 21,669 Each (In a Tube of 75)	Texas Instruments	-	-	1.5A	Buck Boost Switching	1	-	-	-	-	Surface Mount	-	SOIC	-	8	-	-	-	-	-	4.9 x 3.91 x 1.58mm	1.58mm	40 V	+85 °C	3 V	-40 °C
onsemi LM337TG, 1 Linear Voltage, Voltage Regulator 1.5A, -37 → -1.2 V 3-Pin, TO-220 RS stock no.: 464-104P Mfr. Part No.: LM337TG Datasheets: R 14,211 Each (Supplied in a Tube)	onsemi	-	-	1.5A	Linear Voltage	1	-37 → -1.2 V	0.04 %/V	-	1 %	Through Hole	Negative	TO-220	-	3	-1.25V	Adjustable	-	-	-	10.28 x 4.82 x 9.28mm	9.28mm	-40 V	+125 °C	-	0 °C
STMicroelectronics L78S05CV, 1 Linear Voltage, Voltage Regulator 2A, 5 V 3-Pin, TO-220 RS stock no.: 714-7780 Mfr. Part No.: L78S05CV Datasheets: R 12,24 Each (In a Pack of 10)	STMicroelectronics	-	-	2A	Linear Voltage	1	5 V	100 mV	-	100 mV	Through Hole	Positive	TO-220	8mA	3	-	Fixed	-	-	-	10.4 x 4.6 x 9.15mm	9.15mm	35 V	+150 °C	8 V	0 °C
Texas Instruments LM317T/NOPB, 1 Linear Voltage, Voltage Regulator 1.5A, 1.2 → 37 V 3-Pin, TO-220 RS stock no.: 533-8209 Mfr. Part No.: LM317T/NOPB Datasheets: R 28,26 Each	Texas Instruments	-	-	1.5A	Linear Voltage	1	1.2 → 37 V	0.04 %/V	-	0.5 %	Through Hole	Positive	TO-220	-	3	1.25V	Adjustable	-	-	-	10.16 x 4.7 x 8.89mm	8.89mm	40 V	+125 °C	4.2 V	0 °C
onsemi MC7805BTG, 1 Linear Voltage, Voltage Regulator 1A, 5 V 3-Pin, TO-220 RS stock no.: 102-3503 Mfr. Part No.: MC7805BTG Datasheets: R 15,452 Each (In a Tube of 50)	onsemi	-	-	1A	Linear Voltage	1	5 V	100 mV	±4%	100 mV	Through Hole	Positive	TO-220	3.2mA	3	-	Fixed	-	-	-	10.28 x 4.82 x 30.02mm	30.02mm	35 V	+125 °C	-	-40 °C
Texas Instruments LM350T/NOPB, 1 Linear Voltage, Voltage Regulator 3A, 1.2 → 33 V 3-Pin, TO-220 RS stock no.: 535-9408 Mfr. Part No.: LM350T/NOPB Datasheets: R 34,55 Each (In a Pack of 5)	Texas Instruments	-	-	3A	Linear Voltage	1	1.2 → 33 V	0.03 %/V	-	0.5 %	Through Hole	Positive	TO-220	-	3	1.3V	Adjustable	25W	-	-	10.16 x 4.7 x 8.89mm	8.89mm	35 V	+125 °C	4.2 V	0 °C
Microchip MCP1825S-3302E/DB, 1 Low Dropout Voltage, Voltage Regulator 500mA, 3.3 V 3+Tab-Pin, SOT-223 RS stock no.: 669-5092 Mfr. Part No.: MCP1825S-3302E/DB Datasheets: R 12,826 Each (In a Pack of 5)	Microchip	-	-	500mA	Low Dropout Voltage	1	3.3 V	0.05 %/V	±0.5%	0.5 %	Surface Mount	Positive	SOT-223	0.12mA	3+Tab	-	Fixed	-	-	-	6.5 x 3.5 x 1.6mm	1.6mm	6 V	+125 °C	2.1 V	-40 °C

Voltage Regulators

Types of voltage regulator

Where are voltage regulators used?

7558 Products showing for Voltage Regulators

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