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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Beskrivning Pris Regulator Function Maximum Output Current Regulator Type Number of Outputs Output Voltage Line Regulation Accuracy Load Regulation Mounting Type Polarity Package Type Quiescent Current Pin Count Reference Voltage
RS-artikelnummer 125-0057
Tillv. art.nrMC78M12CDTG
Varumärkeonsemi
4,082 kr
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- 700mA Linear Voltage 1 12 V 50 mV - 240 mV Surface Mount Positive DPAK - 3 -
RS-artikelnummer 464-114
Tillv. art.nrMC78M12CDTG
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4,074 kr
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- 700mA Linear Voltage 1 12 V 50 mV - 240 mV Surface Mount Positive DPAK - 3 -
RS-artikelnummer 168-6578
Tillv. art.nrL78L33ABZ-AP
VarumärkeSTMicroelectronics
1,39 kr
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- 100mA Linear Voltage 1 3.3 V 150 mV - 60 mV Through Hole Positive TO-92 6mA 3 -
RS-artikelnummer 686-9552
Tillv. art.nrL78L33ABZ-AP
VarumärkeSTMicroelectronics
3,643 kr
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- 100mA Linear Voltage 1 3.3 V 150 mV - 60 mV Through Hole Positive TO-92 6mA 3 -
RS-artikelnummer 398-524
Tillv. art.nrTS78L05ACY RMG
4,191 kr
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- 150mA Linear Voltage 1 5 V 150 mV ±4% 60 mV Surface Mount Positive SOT-89 3mA 4 -
RS-artikelnummer 146-2236
Tillv. art.nrTS78L05ACY RMG
1,732 kr
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- 150mA Linear Voltage 1 5 V 150 mV ±4% 60 mV Surface Mount Positive SOT-89 3mA 4 -
RS-artikelnummer 686-9347
Tillv. art.nrL78L12ABD-TR
VarumärkeSTMicroelectronics
3,643 kr
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- 100mA Linear Voltage 1 12 V 250 mV - 100 mV Surface Mount Positive SOIC 6.5mA 8 -
RS-artikelnummer 178-5135
Tillv. art.nrL78L12ABD-TR
VarumärkeSTMicroelectronics
1,39 kr
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- 100mA Linear Voltage 1 12 V 250 mV - 100 mV Surface Mount Positive SOIC 6.5mA 8 -
RS-artikelnummer 923-1402
Tillv. art.nrICL7660CBAZ
14,63 kr
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- - Charge Pump - - - - - Surface Mount - SOIC - 8 -
RS-artikelnummer 805-6503
Tillv. art.nrMC7812CDTG
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5,106 kr
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- 2.2A Linear Voltage 1 12 V 48 mV - 60 mV Surface Mount Positive DPAK 6.5mA 3 -
RS-artikelnummer 125-0051
Tillv. art.nrMC7812CDTG
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5,105 kr
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- 2.2A Linear Voltage 1 12 V 48 mV - 60 mV Surface Mount Positive DPAK 6.5mA 3 -
RS-artikelnummer 921-5557
Tillv. art.nrICL7660CBAZ
17,062 kr
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- - Charge Pump - - - - - Surface Mount - SOIC - 8 -
RS-artikelnummer 125-0050
Tillv. art.nrMC7806CTG
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4,95 kr
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- 2.2A Linear Voltage 1 6 V 24 mV ±4% 30 mV Through Hole Positive TO-220 3.3mA 3 -
RS-artikelnummer 918-1971
Tillv. art.nrL7805CV
VarumärkeSTMicroelectronics
4,95 kr
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- 1.5A Linear Voltage 1 5 V 100 mV - 100 mV Through Hole Positive TO-220 8mA 3 -
RS-artikelnummer 102-3487
Tillv. art.nrLM317LZG
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1,698 kr
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- 20mA Linear Voltage 1 1.2 → 37 V 0.07 %/V ±4% 0.5 % Through Hole Positive TO-92 - 3 1.3V
RS-artikelnummer 912-3014
Tillv. art.nrMCP1701AT-3002I/CB
VarumärkeMicrochip
2,972 kr
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- 250mA Low Dropout Voltage 1 3 V 0.3 %/V ±2% 3 % Surface Mount Positive SOT-23A 0.0045mA 3 -
RS-artikelnummer 516-4783
Tillv. art.nrLM317LZG
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6,08 kr
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- 20mA Linear Voltage 1 1.2 → 37 V 0.07 %/V ±4% 0.5 % Through Hole Positive TO-92 - 3 1.3V
RS-artikelnummer 628-3683
Tillv. art.nrMCP1701AT-3002I/CB
VarumärkeMicrochip
3,025 kr
Each (In a Pack of 10)
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- 250mA Low Dropout Voltage 1 3 V 0.3 %/V ±2% 3 % Surface Mount Positive SOT-23A 0.0045mA 3 -
RS-artikelnummer 516-6177
Tillv. art.nrMC7806CTG
Varumärkeonsemi
5,65 kr
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- 2.2A Linear Voltage 1 6 V 24 mV ±4% 30 mV Through Hole Positive TO-220 3.3mA 3 -
RS-artikelnummer 165-7750
Tillv. art.nrLD1117S33CTR
VarumärkeSTMicroelectronics
1,803 kr
Each (On a Reel of 2500)
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- 1.3A Low Dropout Voltage 1 3.3 V 6 mV ±1% 10 mV Surface Mount Positive SOT-223 5mA 3+Tab -