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 806-0895
Référence fabricantNCP5501DT33RKG
0,503 €
Each (On a Tape of 25)
Unité
Current Limiting, Thermal Shut Down 500mA Low Dropout Voltage 1 1 % ±2.9% 1 % Surface Mount Positive DPAK - 3 - Fixed
N° de stock RS 146-0191
Référence fabricantMCP1703A-3302E/DB
MarqueMicrochip
0,44 €
Each (In a Tube of 78)
Unité
- 250mA Low Dropout Voltage 1 0.3 %/V 2% 2.5 % Surface Mount Positive SOT-223 5µA 3 - Fixed
N° de stock RS 121-6355
Référence fabricantMC7812ABTG
0,565 €
Each (In a Tube of 50)
Unité
- 1A Linear Voltage 1 20 mV - 25 mV Through Hole Positive TO-220 6mA 3 - Fixed
N° de stock RS 770-9486
Référence fabricantMCP1703A-3302E/DB
MarqueMicrochip
0,552 €
Each (In a Pack of 6)
Unité
- 250mA Low Dropout Voltage 1 0.3 %/V 2% 2.5 % Surface Mount Positive SOT-223 5µA 3 - Fixed
N° de stock RS 122-1247
Référence fabricantZLDO1117K50TC
MarqueDiodesZetex
0,156 €
Each (On a Reel of 2500)
Unité
- 1A Linear Voltage 1 0.2 % 2% 20 mV Surface Mount Positive TO-252 10mA 3 1.25V Fixed
N° de stock RS 100-5939
Référence fabricantLM3940IT-3.3/NOPB
1,457 €
Each (In a Tube of 45)
Unité
- 1A Low Dropout Voltage 1 40 mV - 50 mV Through Hole Positive TO-220 - 3 - Fixed
N° de stock RS 168-6060
Référence fabricantL7808CV
0,35 €
Each (In a Tube of 50)
Unité
- 1.5A Linear Voltage 1 160 mV - 160 mV Through Hole Positive TO-220 8mA 3 - Fixed
N° de stock RS 298-8520
Référence fabricantL7808CV
0,57 €
Each
Unité
- 1.5A Linear Voltage 1 160 mV - 160 mV Through Hole Positive TO-220 8mA 3 - Fixed
N° de stock RS 163-0718
Référence fabricantNCP5501DT33RKG
0,234 €
Each (On a Reel of 2500)
Unité
- 500mA Low Dropout Voltage 1 1 % ±2.9% 1 % Surface Mount Positive DPAK - 3 - Fixed
N° de stock RS 910-1449
Référence fabricantMIC5205YM5-TR
MarqueMicrochip
0,299 €
Each (In a Pack of 25)
Unité
- 150mA Low Dropout Voltage 1 0.05 %/V 1% 0.5 % Surface Mount Positive SOT-23 5µA 5 - Adjustable
N° de stock RS 534-3021
Référence fabricantLM3940IT-3.3/NOPB
1,73 €
Each
Unité
- 1A Low Dropout Voltage 1 40 mV - 50 mV Through Hole Positive TO-220 - 3 - Fixed
N° de stock RS 918-1971
Référence fabricantL7805CV
0,387 €
Each (In a Tube of 50)
Unité
- 1.5A Linear Voltage 1 100 mV - 100 mV Through Hole Positive TO-220 8mA 3 - Fixed
N° de stock RS 714-0688
Référence fabricantL78M05CDT-TR
0,347 €
Each (In a Pack of 10)
Unité
- 500mA Linear Voltage 1 100 mV - 100 mV Surface Mount Positive DPAK 6mA 3 - Fixed
N° de stock RS 545-6587
Référence fabricantLT1111CN8#PBF
4,55 €
Each
Unité
Boost/Buck Controller, Inverting, Non-Inverting 1A Buck Boost Switching 1 0.7 %/V - - Through Hole - PDIP - 8 - Adjustable
N° de stock RS 911-5697
Référence fabricantMCP1700-3302E/TO
MarqueMicrochip
0,236 €
Each (In a Bag of 1000)
Unité
- 250mA Low Dropout Voltage 1 0.75 %/V ±2% 1 % Through Hole Positive TO-92 0.0016mA 3 - Fixed
N° de stock RS 178-5052
Référence fabricantLD1085D2T-R
0,562 €
Each (On a Reel of 1000)
Unité
- 3A Low Dropout Voltage 1 0.2 % ±1% 0.3 % Surface Mount Positive D2PAK 5mA 3 - Adjustable
N° de stock RS 189-1295
Référence fabricantL78L05ACZ
0,39 €
Each
Unité
- 100mA Linear Voltage 1 150 mV ±5% 60 mV Through Hole Positive TO-92 6mA 3 - Fixed
N° de stock RS 403-888
Référence fabricantMCP1700-3302E/TO
MarqueMicrochip
0,329 €
Each (In a Pack of 10)
Unité
- 250mA Low Dropout Voltage 1 0.75 %/V ±2% 1 % Through Hole Positive TO-92 0.0016mA 3 - Fixed
N° de stock RS 100-3890
Référence fabricantLM2937IMP-10/NOPB
0,816 €
Each (On a Reel of 1000)
Unité
- 500mA Low Dropout Voltage 1 30 mV ±5% 10 mV Surface Mount Positive SOT-223 - 3+Tab - Fixed
N° de stock RS 714-0697
Référence fabricantLD1117S33TR
0,31 €
Each (In a Pack of 10)
Unité
- 1.3A Low Dropout Voltage 1 6 mV ±1% 10 mV Surface Mount Positive SOT-223 5mA 3+Tab - Fixed