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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.

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In Stock STMicroelectronics, Voltage Regulator 30V SOT-89 3-Pin RS stock no. 714-0675 Mfr. Part No. L78L05ABUTR Subtotal (1 pack of 10 units) R 28,59(exc. VAT) R 2,859/unit Quantity	STMicroelectronics	Voltage Regulator	-	-	-	SOT-89	-	-	-	-	-	-	Surface	-	Positive	6mA	-	3	-	-	-	-	-	-	-	1.6mm	4.6mm	L78Lxx	No	-	30V	125°C	-	-
In Stock Texas Instruments LP2950-33LPE3, Voltage Regulator 30V TO-92 3-Pin RS stock no. 762-0430 Mfr. Part No. LP2950-33LPE3 Subtotal (1 pack of 10 units) R 170,40(exc. VAT) R 17,04/unit Quantity	Texas Instruments	Voltage Regulator	-	-	-	TO-92	-	-	-	-	-	-	Through Hole	-	Positive	0.075mA	-	3	-	-	-	-	-	-	-	5.34mm	5.21mm	LP2950	No	4.19mm	30V	125°C	-0.3V	-
In Stock onsemi MC78M09CDTRKG, Voltage Regulator 5 W 40V dc 3-Pin RS stock no. 785-7058 Mfr. Part No. MC78M09CDTRKG Subtotal (1 pack of 20 units) R 106,14(exc. VAT) R 5,307/unit Quantity	onsemi	Voltage Regulator	-	-	-	-	-	-	-	-	-	-	Surface	-	Positive	6mA	-	3	-	-	5W	-	-	-	-	2.38mm	6.73mm	MC78Mxx	No	-	40V dc	125°C	11V	-
In Stock STMicroelectronics LD1086DT50TR, Voltage Regulator 30V 3-Pin RS stock no. 809-1587 Mfr. Part No. LD1086DT50TR Subtotal (1 pack of 10 units) R 159,68(exc. VAT) R 15,968/unit Quantity	STMicroelectronics	Voltage Regulator	-	-	-	-	-	-	-	-	-	-	Surface	-	Positive	10mA	-	3	-	-	-	-	-	-	-	4.6mm	10.4mm	LD1086	No	9.35mm	30V	125°C	-	-
In Stock DiodesZetex AP2114HA-3.3TRG1, 1-Channel Linear, Voltage Regulator, 1 A, 3.3V 1 kHz, SOT-223 3-Pin RS stock no. 719-569 Mfr. Part No. AP2114HA-3.3TRG1 Subtotal (1 pack of 5 units) R 28,07(exc. VAT) R 5,614/unit Quantity	DiodesZetex	Voltage Regulator	-	Linear	-	SOT-223	1	3.3V	0.1 %/V	1kHz	-	1 %/A	Surface	-	-	75μA	1A	3	-	Current, Voltage	-	-	-	-	-	1.8mm	6.7mm	AP2114	-	3.7mm	6V	85°C	2.5V	-40°C
In Stock Infineon TLE4274V50AKSA2, Voltage Regulator 40V TO-220 3-Pin RS stock no. 223-8547 Mfr. Part No. TLE4274V50AKSA2 Subtotal (1 pack of 10 units) R 267,68(exc. VAT) R 26,768/unit Quantity	Infineon	Voltage Regulator	-	-	-	TO-220	-	-	-	-	-	-	-	-	-	100μA	-	3	-	-	-	-	-	-	-	-	-	TLE4274	RoHS	-	40V	150°C	42V	-
In Stock STMicroelectronics, 1-Channel Low Dropout Voltage, Voltage Regulator, 500 mA, 24V, 5 V, TO-220 3-Pin RS stock no. 152-229 Mfr. Part No. L78M24CV Subtotal (1 pack of 20 units) R 304,22(exc. VAT) R 15,211/unit Quantity	STMicroelectronics	Voltage Regulator	-	Low Dropout Voltage	-	TO-220	-	-	100 mV	-	-	100 mV	-	-	-	6mA	500mA	3	-	5/24 V	-	-	-	-	-	-	-	L78M	RoHS	-	40V	125°C	5V	-40°C
In Stock Microchip MCP1703AT-3302E/DB, Voltage Regulator 16V SOT-223 3-Pin RS stock no. 238-0646 Mfr. Part No. MCP1703AT-3302E/DB Subtotal (1 pack of 10 units) R 143,29(exc. VAT) R 14,329/unit Quantity	Microchip	Voltage Regulator	-	-	-	SOT-223	-	3.3V	-	-	-	-	Surface	-	Positive	5μA	-	3	-	-	-	-	-	-	-	1.6mm	6.5mm	MCP1703A	RoHS	3.5mm	16V	125°C	2.7V	-
In Stock STMicroelectronics, Voltage Regulator 10V 3-Pin RS stock no. 686-9123P Mfr. Part No. LD1117ADT33TR Subtotal 10 units (supplied on a continuous strip) R 70,00(exc. VAT) R 7,00/unit Quantity	STMicroelectronics	Voltage Regulator	-	-	-	-	-	-	-	-	-	-	Surface	-	Positive	5mA	-	3	-	-	-	-	-	-	-	2.4mm	6.6mm	LD1117A	No	6.2mm	10V	125°C	-	-
In Stock Microchip MCP1702-5002E/TO, 5-Channel Low Dropout Voltage, Voltage Regulator, 250 mA, 5V, TO-92 3-Pin RS stock no. 403-856 Mfr. Part No. MCP1702-5002E/TO Subtotal (1 pack of 10 units) R 110,50(exc. VAT) R 11,05/unit Quantity	Microchip	Voltage Regulator	-	Low Dropout Voltage	-	TO-92	-	-	0.1 %/V	-	-	1 %	Through Hole	-	Positive	2μA	250mA	3	-	Fixed	-	-	-	-	-	4.62mm	4.71mm	MCP1702	RoHS	-	13.2V	125°C	2.7V	-40°C
Temporarily out of stock STMicroelectronics, 5-Channel Linear, Voltage Regulator, 1.5 A, -5V, TO-220 3-Pin RS stock no. 298-8615 Mfr. Part No. L7905CV Subtotal (1 unit) R 9,47(exc. VAT) R 9,47/unit Quantity	STMicroelectronics	Voltage Regulator	-	Linear	-	TO-220	-	-	100 mV	-	-	100 mV	Through Hole	-	Negative	3mA	1.5A	3	-	Fixed	-	-	No	-	-	9.15mm	10.4mm	L79xx	RoHS	-	-35V	150°C	-	0°C
In Stock Microchip MCP1825S-3302E/DB, 5-Channel Low Dropout Voltage, Voltage Regulator, 500 mA, 3.3V, SOT-223 3-Pin RS stock no. 669-5092 Mfr. Part No. MCP1825S-3302E/DB Subtotal (1 pack of 5 units) R 59,62(exc. VAT) R 11,924/unit Quantity	Microchip	Voltage Regulator	-	Low Dropout Voltage	-	SOT-223	-	-	0.05 %/V	-	-	0.5 %	Surface	-	Positive	0.12mA	500mA	3	-	Fixed	-	-	No	-	-	1.6mm	6.5mm	MCP1825S	RoHS	-	6V	125°C	2.1V	-40°C
In Stock STMicroelectronics, Voltage Regulator 35V TO-220 3-Pin RS stock no. 686-9827 Mfr. Part No. L7812ABV Subtotal (1 pack of 25 units) R 138,85(exc. VAT) R 5,554/unit Quantity	STMicroelectronics	Voltage Regulator	-	-	-	TO-220	-	-	-	-	-	-	Through Hole	-	Positive	4.4mA	-	3	-	-	-	-	-	-	-	9.15mm	10.4mm	L78xx	No	-	35V	125°C	-	-
In Stock Nisshinbo Micro Devices NJU7223DL1-33-TE1, 5-Channel Low Dropout Voltage, LOD Voltage Regulator, 500 mA, 3.3V RS stock no. 244-4560 Mfr. Part No. NJU7223DL1-33-TE1 Subtotal (1 pack of 5 units) R 75,67(exc. VAT) R 15,134/unit Quantity	Nisshinbo Micro Devices	LOD Voltage Regulator	-	Low Dropout Voltage	-	-	-	-	0.1 %/V	-	-	160 %/mV	-	-	Positive	-	500mA	-	-	-	-	-	-	-	-	-	-	NJU7223	No	-	18V	85°C	3.8V	-40°C
Last RS stock Texas Instruments TPS63000DRCT, 5-Channel Buck, Boost, Buck Boost Switching Regulator, 1.2 A, 5.5V 1500 kHz, SON 10-Pin RS stock no. 389-334 Mfr. Part No. TPS63000DRCT Subtotal (1 unit) R 25,98(exc. VAT) R 25,98/unit Quantity	Texas Instruments	Buck Boost Switching Regulator	-	Buck, Boost	-	SON	-	-	0.5 %	1500kHz	-	0.5 %	Surface	-	-	50μA	1.2A	10	-	Adjustable	-	-	Yes	-	-	0.9mm	3mm	TPS6300x	RoHS	-	5.5V	85°C	1.8V	-40°C
In Stock STMicroelectronics, Voltage Regulator 6V DFN 8-Pin RS stock no. 196-1460P Mfr. Part No. LD39200PU33R Subtotal 10 units (supplied on a continuous strip) R 184,58(exc. VAT) R 18,458/unit Quantity	STMicroelectronics	Voltage Regulator	-	-	-	DFN	-	-	-	-	-	-	Surface	-	Positive	300μA	-	8	-	-	-	-	-	-	-	0.95mm	4.1mm	LD39200	No	4.1mm	6V	125°C	1.25V	-
In Stock onsemi NCV8164ASN150T1G, 5-Channel Low Dropout Voltage, Voltage Regulator, 300 mA, 1.5V 1 kHz, TSOP 5-Pin RS stock no. 214-8862 Mfr. Part No. NCV8164ASN150T1G Subtotal (1 pack of 10 units) R 62,96(exc. VAT) R 6,296/unit Quantity	onsemi	Voltage Regulator	-	Low Dropout Voltage	-	TSOP	-	-	-	1kHz	-	2 mV	Surface	-	Positive	30μA	300mA	5	-	Adjustable	-	-	No	-	-	-	-	NCV8164	RoHS	-	5.5V	150°C	1.6V	-40°C
In Stock STMicroelectronics L78L05ACUTR, Voltage Regulator 30V SOT-89 3-Pin RS stock no. 714-0679 Mfr. Part No. L78L05ACUTR Subtotal (1 pack of 10 units) R 30,80(exc. VAT) R 3,08/unit Quantity	STMicroelectronics	Voltage Regulator	-	-	-	SOT-89	-	-	-	-	-	-	Surface	-	Positive	6mA	-	3	-	-	-	-	-	-	-	1.6mm	4.6mm	L78Lxx	No	-	30V	150°C	-	-
In Stock Infineon TLE4274GV50ATMA2, Voltage Regulator 45V 3-Pin RS stock no. 258-4084 Mfr. Part No. TLE4274GV50ATMA2 Subtotal (1 pack of 2 units) R 66,14(exc. VAT) R 33,07/unit Quantity	Infineon	Voltage Regulator	-	-	-	-	-	-	-	-	-	-	Surface	-	Reverse	100μA	-	3	-	-	-	-	-	-	-	4.4mm	15mm	TLE4274	RoHS	10mm	45V	150°C	-42V	-
Last RS stock Texas Instruments, Voltage Regulator 16V WSON 6-Pin RS stock no. 268-3617P Mfr. Part No. TLV76701DRVT Subtotal 10 units (supplied on a continuous strip) R 141,02(exc. VAT) R 14,102/unit Quantity	Texas Instruments	Voltage Regulator	-	-	-	WSON	-	-	-	-	-	-	PCB, Surface	-	Positive	50μA	-	6	-	-	-	-	-	-	-	-	-	TLV7	RoHS	-	16V	125°C	2.5V	-