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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Description Prix Regulator Function Maximum Output Current Regulator Type Number of Outputs Line Regulation Accuracy Load Regulation Mounting Type Polarity Package Type Quiescent Current Pin Count Reference Voltage Output Type
N° de stock RS 714-0792
Référence fabricantLM317T
0,452 €
Each (In a Pack of 10)
Unité
- 1.5A Linear Voltage 1 0.04 %/V - 0.5 %, 0.5 %Vo, 25 mV%/Vo Through Hole Positive TO-220 - 3 1.25V Adjustable
N° de stock RS 168-6809
Référence fabricantLM317T
0,438 €
Each (In a Tube of 50)
Unité
- 1.5A Linear Voltage 1 0.04 %/V - 0.5 %, 0.5 %Vo, 25 mV%/Vo Through Hole Positive TO-220 - 3 1.25V Adjustable
N° de stock RS 370-9637
Référence fabricantL200CV
2,764 €
Each (In a Tube of 50)
Unité
- 2A Linear Voltage 1 - - 1 % Through Hole Positive PENTAWATT 4.2mA 5 2.86V Adjustable
N° de stock RS 785-6936
Référence fabricantMC7808ACTG
0,463 €
Each (In a Pack of 10)
Unité
- 2.2A Linear Voltage 1 18 mV - 25 mV Through Hole Positive TO-220 6mA 3 - Fixed
N° de stock RS 460-900
Référence fabricantLM338T/NOPB
1,878 €
Each (In a Pack of 5)
Unité
- 5A Linear Voltage 1 0.03 %/V - 0.5 % Through Hole Positive TO-220 - 3 1.29V Adjustable
N° de stock RS 100-0719
Référence fabricantLM338T/NOPB
1,551 €
Each (In a Tube of 45)
Unité
- 5A Linear Voltage 1 0.03 %/V - 0.5 % Through Hole Positive TO-220 - 3 1.29V Adjustable
N° de stock RS 805-6616
Référence fabricantMC7908ACTG
0,132 €
Each (In a Pack of 25)
Unité
- 1A Linear Voltage 1 160 mV - 160 mV Through Hole Negative TO-220 - 3 - Fixed
N° de stock RS 170-3556
Référence fabricantMC7908ACTG
0,13 €
Each (In a Tube of 50)
Unité
- 1A Linear Voltage 1 160 mV - 160 mV Through Hole Negative TO-220 - 3 - Fixed
N° de stock RS 661-6733
Référence fabricantUA78M33CDCY
0,50 €
Each (In a Pack of 5)
Unité
- 500mA Linear Voltage 1 100 mV - 100 mV Surface Mount Positive SOT-223 - 3+Tab - Fixed
N° de stock RS 922-3520
Référence fabricantUA78M33CDCY
0,415 €
Each (In a Tube of 80)
Unité
- - - - - - - - - - - - - -
N° de stock RS 102-5700
Référence fabricantLM2940T-10.0/NOPB
1,144 €
Each (In a Tube of 45)
Unité
- 1A Low Dropout Voltage 1 100 mV - 100 mV Through Hole Positive TO-220 - 3 - Fixed
N° de stock RS 128-8855
Référence fabricantBA7809FP-E2
MarqueROHM
0,702 €
Each (In a Pack of 10)
Unité
- 1A Linear Voltage 1 180 mV - 180 mV Surface Mount Positive TO-252 - 3+Tab - Fixed
N° de stock RS 802-2130
Référence fabricantNCP1117ST50T3G
0,307 €
Each (In a Pack of 20)
Unité
- 1A Low Dropout Voltage 1 6 mV ±1% 15 mV Surface Mount Positive SOT-223 10mA 3+Tab - Fixed
N° de stock RS 686-9388
Référence fabricantLD1117S33CTR
0,282 €
Each (In a Pack of 25)
Unité
- 1.3A Low Dropout Voltage 1 6 mV ±1% 10 mV Surface Mount Positive SOT-223 5mA 3+Tab - Fixed
N° de stock RS 535-9010
Référence fabricantLM2940T-10.0/NOPB
0,818 €
Each (In a Pack of 5)
Unité
- 1A Low Dropout Voltage 1 100 mV - 100 mV Through Hole Positive TO-220 - 3 - Fixed
N° de stock RS 655-644
Référence fabricantCSR2-15E
43,25 €
Each
Unité
- 15A Linear Voltage - - - - Panel Mount - - - 3 - Adjustable
N° de stock RS 124-5349
Référence fabricantNCP1117ST50T3G
0,126 €
Each (On a Reel of 4000)
Unité
- 2.2A Low Dropout Voltage 1 6 mV ±1% 15 mV Surface Mount Positive SOT-223 10mA 3+Tab - Fixed
N° de stock RS 165-7750
Référence fabricantLD1117S33CTR
0,109 €
Each (On a Reel of 2500)
Unité
- 1.3A Low Dropout Voltage 1 6 mV ±1% 10 mV Surface Mount Positive SOT-223 5mA 3+Tab - Fixed
N° de stock RS 688-9231
Référence fabricantMC33269DTRK-3.3G
0,60 €
Each (In a Pack of 2)
Unité
- 800mA Low Dropout Voltage 1 0.3 % ±1% 0.5 % Surface Mount Positive DPAK 5.5mA 3 - Fixed
N° de stock RS 168-6067
Référence fabricantL7915CV
0,417 €
Each (In a Tube of 50)
Unité
- 1.5A Linear Voltage 1 300 mV - 300 mV Through Hole Negative TO-220 3mA 3 - Fixed