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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STMicroelectronics LD1084V, 1 Low Dropout Voltage, Voltage Regulator 5A 3-Pin, TO-220 RS 제품 번호 686-8837 제조사 부품 번호 LD1084V 개당가격(5개가 1팩안에) ₩2,613.20 주문수량	STMicroelectronics	-	-	5A	Low Dropout Voltage	1	-	0.2 %	±1%	0.3 %	Through Hole	Positive	TO-220	-	3	-	Adjustable	-	-	-	10.4 x 4.6 x 9.15mm	9.15mm	30 V	+125 °C	-	-40 °C
Nisshinbo Micro Devices RP114K301D-TRB, 1 Low Dropout Voltage, Voltage Regulator 300mA, 3 V 4-Pin, DFN(PL)1010-4B RS 제품 번호 277-010 제조사 부품 번호 RP114K301D-TRB 개당가격(100개가 1테이프안에) ₩188.00 주문수량	Nisshinbo Micro Devices	-	Linear	300mA	Low Dropout Voltage	1	3 V	0.02 %/V	±1%	-	-	-	DFN(PL)1010-4B	-	4	-	-	-	-	-	-	-	-	-	-	-
Texas Instruments LM338T/NOPB, 1 Linear Voltage, Voltage Regulator 5A, 1.2 → 32 V 3-Pin, TO-220 RS 제품 번호 460-900P 제조사 부품 번호 LM338T/NOPB 개당(튜브에 담겨 공급됨) ₩2,842.56 주문수량	Texas Instruments	-	-	5A	Linear Voltage	1	1.2 → 32 V	0.03 %/V	-	0.5 %	Through Hole	Positive	TO-220	-	3	1.29V	Adjustable	25W	-	-	10.16 x 4.7 x 8.89mm	8.89mm	40 V	+125 °C	4.2 V	0 °C
onsemi MC7818CD2TR4G, 1 Linear Voltage, Voltage Regulator 2.2A, 18 V 3-Pin, D2PAK RS 제품 번호 162-8923 제조사 부품 번호 MC7818CD2TR4G 개당가격(800개가 1릴안에) ₩528.28 주문수량	onsemi	-	-	2.2A	Linear Voltage	1	18 V	50 mV	-	55 mV	Surface Mount	Positive	D2PAK	6.5mA	3	-	Fixed	-	-	-	10.236 x 9.347 x 4.572mm	4.572mm	35 V	+125 °C	-	0 °C
onsemi MC34063ADR2G, 1 Buck Boost Switching, Buck/Boost Converter 1.5A 8-Pin, SOIC RS 제품 번호 689-9948 제조사 부품 번호 MC34063ADR2G 개당 ₩996.40 주문수량	onsemi	-	Boost/Buck Controller	1.5A	Buck Boost Switching	1	-	3 mV、12 mV、30 mV	-	0.022 V、3 mV、10 mV	Surface Mount	-	SOIC	-	8	-	-	-	-	-	5 x 4 x 1.5mm	1.5mm	-	+70 °C	-	0 °C
Texas Instruments LM338T/NOPB, 1 Linear Voltage, Voltage Regulator 5A, 1.2 → 32 V 3-Pin, TO-220 RS 제품 번호 460-900 제조사 부품 번호 LM338T/NOPB 개당가격(5개가 1팩안에) ₩2,842.56 주문수량	Texas Instruments	-	-	5A	Linear Voltage	1	1.2 → 32 V	0.03 %/V	-	0.5 %	Through Hole	Positive	TO-220	-	3	1.29V	Adjustable	25W	-	-	10.16 x 4.7 x 8.89mm	8.89mm	40 V	+125 °C	4.2 V	0 °C
STMicroelectronics L7815CV, 1 Linear Voltage, Voltage Regulator 1.5A, 15 V 3-Pin, TO-220 RS 제품 번호 168-6061 제조사 부품 번호 L7815CV 개당가격(50개가 1튜브안에) ₩436.16 주문수량	STMicroelectronics	-	-	1.5A	Linear Voltage	1	15 V	300 mV	-	300 mV	Through Hole	Positive	TO-220	8mA	3	-	Fixed	-	-	-	10.4 x 4.6 x 9.15mm	9.15mm	35 V	+150 °C	-	0 °C
STMicroelectronics L4940V5, 1 Low Dropout Voltage, Voltage Regulator 1.5A, 5 V 3-Pin, TO-220 RS 제품 번호 168-6058 제조사 부품 번호 L4940V5 개당가격(50개가 1튜브안에) ₩1,472.04 주문수량	STMicroelectronics	-	-	1.5A	Low Dropout Voltage	1	5 V	10 mV	-	25 mV	Through Hole	Positive	TO-220	5mA	3	-	Fixed	-	-	-	10.4 x 4.6 x 9.15mm	9.15mm	17 V	+150 °C	-	-40 °C
DiodesZetex AP2127N-3.3TRG1, 1 Low Dropout Voltage, Voltage Regulator, 3.3 V 3-Pin, SOT-23 RS 제품 번호 828-7378 제조사 부품 번호 AP2127N-3.3TRG1 개당가격(100개가 1팩안에) ₩184.24 주문수량	DiodesZetex	-	-	-	Low Dropout Voltage	1	3.3 V	5 mV	±2%	10 mV	Surface Mount	Positive	SOT-23	90µA	3	0.8V	Fixed	-	-	-	3 x 1.4 x 1.1mm	1.1mm	6 V	+85 °C	2.5 V	-40 °C
Texas Instruments LM1117DT-ADJ/NOPB, 1 Low Dropout Voltage, Voltage Regulator 1.5A, 1.25 → 13.8 V 3-Pin, TO-252 RS 제품 번호 533-9555 제조사 부품 번호 LM1117DT-ADJ/NOPB 개당 ₩2,350.00 주문수량	Texas Instruments	-	-	1.5A	Low Dropout Voltage	1	1.25 → 13.8 V	0.035 %	±1%	0.2 %	Surface Mount	Positive	TO-252	-	3	1.262V	Adjustable	-	-	-	6.58 x 6.1 x 2.3mm	2.3mm	15 V	+125 °C	-	0 °C
MPS MP174AGJ-P, 1 Buck Boost, Regulator 400mA, 28 kHz 5-Pin, TSOT23-5 RS 제품 번호 337-099 제조사 부품 번호 MP174AGJ-P 개당가격(500개가 1릴안에) ₩1,923.24 주문수량	MPS	-	Linear	400mA	Buck Boost	1	-	-	-	-	-	-	TSOT23-5	-	5	-	-	-	28 kHz	-	-	-	-	-	-	-
STMicroelectronics L78M05ACDT-TR, 1 Linear Voltage, Voltage Regulator 500mA, 5 V 3-Pin, DPAK RS 제품 번호 178-5132 제조사 부품 번호 L78M05ACDT-TR 개당가격(2500개가 1릴안에) ₩409.84 주문수량	STMicroelectronics	-	-	500mA	Linear Voltage	1	5 V	100 mV	±2%	100 mV	Surface Mount	Positive	DPAK	6mA	3	-	Fixed	-	-	-	6.6 x 6.2 x 2.4mm	2.4mm	35 V	+125 °C	-	0 °C
Infineon TDM3885XUMA1, 3 DC-DC, Voltage Regulator 4A, 0.5 → 5 V RS 제품 번호 252-2787 제조사 부품 번호 TDM3885XUMA1 개당 ₩10,584.40 주문수량	Infineon	-	Buck Regulator	4A	DC-DC	3	0.5 → 5 V	-	-1 → +1%	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Nisshinbo Micro Devices NJM7809DL1A-TE1, 1 Linear Voltage, Voltage Regulator 1.5A, 9 V RS 제품 번호 241-2876 제조사 부품 번호 NJM7809DL1A-TE1 개당가격(10개가 1팩안에) ₩1,364.88 주문수량	Nisshinbo Micro Devices	-	Thermal Overload Protection	1.5A	Linear Voltage	1	9 V	180 mV	-	180 mV	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
STMicroelectronics LD1086DT50TR, 1 Low Dropout Voltage, Voltage Regulator 1.5A, 5 V 3-Pin, DPAK RS 제품 번호 809-1587 제조사 부품 번호 LD1086DT50TR 개당가격(10개가 1팩안에) ₩1,257.72 주문수량	STMicroelectronics	-	Standard	1.5A	Low Dropout Voltage	1	5 V	25 mV	-	72 mV	Surface Mount	Positive	DPAK	10mA	3	1.281V	Fixed	-	-	-	10.4 x 9.35 x 4.6mm	4.6mm	30 V	+125 °C	-	-40 °C
Infineon TLS850D0TAV50ATMA1, Dual Linear Voltage, Voltage Regulator 500mA, 3.3 V, 5 V 7-Pin, TO263 RS 제품 번호 258-1695 제조사 부품 번호 TLS850D0TAV50ATMA1 개당가격(1000개가 1릴안에) ₩2,583.12 주문수량	Infineon	-	Linear	500mA	Linear Voltage	2	3.3 V, 5 V	15 mV	2%	5 mV	Surface Mount	-	TO263	-	7	-	-	-	-	-	-	-	-	-	-	-
Renesas Electronics ISL9008AIECZ-T, 1, Voltage Regulator 150mA RS 제품 번호 262-7266 제조사 부품 번호 ISL9008AIECZ-T 개당가격(5개가 1팩안에) ₩2,372.56 주문수량	Renesas Electronics	-	Buck Regulator	150mA	-	1	-	-	±1.8%	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
MPS MP1593DN-LF-P, 1 Step-Down Converter, Converter 3A, 1.22 V, 385 kHz 14-Pin, ECLGA-14 RS 제품 번호 337-089 제조사 부품 번호 MP1593DN-LF-P 개당가격(2개가 1테이프안에) ₩5,671.96 주문수량	MPS	-	Step Down Converter	3A	Step-Down Converter	1	1.22 V	-	-	-	-	-	ECLGA-14	-	14	-	-	-	385 kHz	-	-	-	-	-	-	-
Microchip MIC5205YM5-TR, 1 Low Dropout Voltage, Voltage Regulator 150mA 5-Pin, SOT-23 RS 제품 번호 165-4224 제조사 부품 번호 MIC5205YM5-TR 개당가격(3000개가 1릴안에) ₩599.72 주문수량	Microchip	-	-	150mA	Low Dropout Voltage	1	-	0.05 %/V	1%	0.5 %	Surface Mount	Positive	SOT-23	5µA	5	-	Adjustable	-	-	-	3.02 x 1.75 x 1.3mm	1.3mm	16 V	+125 °C	2.5 V	-40 °C
Texas Instruments TPS563201DDCT, 1 Step-Down Converter, Voltage Regulator 3A, 17 V, 580 kHz 6 Pin-Pin, SOT-23-THIN RS 제품 번호 265-3530 제조사 부품 번호 TPS563201DDCT 개당가격(250개가 1릴안에) ₩1,049.04 주문수량	Texas Instruments	-	Synchronous Step Down	3A	Step-Down Converter	1	17 V	-	2%	-	-	-	SOT-23-THIN	-	6 Pin	-	-	-	580 kHz	-	-	-	-	-	-	-