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 Line Regulation Accuracy Load Regulation Mounting Type Polarity Package Type Quiescent Current Pin Count Reference Voltage Output Type
RS-artikelnummer 145-0843
Tillv. art.nrTLV1117-50CDCY
VarumärkeTexas Instruments
5,572 kr
Each (In a Tube of 80)
Enheter
- 800mA Low Dropout Voltage 1 0.2 % - 0.4 % Surface Mount Positive SOT-223 5mA 3+Tab - Fixed
RS-artikelnummer 662-4093
Tillv. art.nrTPS60403DBVR
VarumärkeTexas Instruments
8,382 kr
Each (In a Pack of 5)
Enheter
- - Charge Pump - - - - Surface Mount - SOT-23 - 5 - -
RS-artikelnummer 100-8059
Tillv. art.nrLM2931AZ-5.0G
VarumärkeON Semiconductor
1,799 kr
Each (In a Bag of 2000)
Enheter
- 100mA Low Dropout Voltage 1 30 mV ±3.8% 50 mV Through Hole Positive TO-92 - 3 - Fixed
RS-artikelnummer 686-5608
Tillv. art.nrSP34063AEN-L/TR
VarumärkeMaxLinear
1,397 kr
Each (In a Pack of 10)
Enheter
Boost/Buck Controller 1.5A Buck Boost Switching 1 - - - Surface Mount - SOIC - 8 - Adjustable
RS-artikelnummer 189-1015
Tillv. art.nrLM217T
VarumärkeSTMicroelectronics
6,93 kr
Each
Enheter
- 1.5A Linear Voltage 1 0.02 %/V - 0.3 % Through Hole Positive TO-220 - 3 1.3V Adjustable
RS-artikelnummer 661-6121
Tillv. art.nrLM317KCS
VarumärkeTexas Instruments
6,122 kr
Each (In a Pack of 5)
Enheter
- 1.5A Linear Voltage 1 0.04 %/V - 0.5 % Through Hole Positive TO-220 - 3 1.3V Adjustable
RS-artikelnummer 655-644
Tillv. art.nrCSR2-15E
VarumärkeUnited Automation
461,22 kr
Each
Enheter
- 15A Linear Voltage - - - - Panel Mount - - - 3 - Adjustable
RS-artikelnummer 686-9757
Tillv. art.nrL78S10CV
VarumärkeSTMicroelectronics
5,503 kr
Each (In a Pack of 10)
Enheter
- 2A Linear Voltage 1 200 mV - 240 mV Through Hole Positive TO-220 8mA 3 - Fixed
RS-artikelnummer 170-9152
Tillv. art.nrHT7544-1-SOT89
VarumärkeHoltek
3,047 kr
Each (On a Reel of 1000)
Enheter
- 100mA Low Dropout Voltage 1 0.2 %/V ±3% 60 mV Surface Mount Positive SOT-89 4µA 3 - Fixed
RS-artikelnummer 506-1921
Tillv. art.nrLTC3440EMS#PBF
VarumärkeAnalog Devices
57,69 kr
Each
Enheter
- 600mA Buck Boost Switching 1 - - - Surface Mount - MSOP - 10 - Adjustable
RS-artikelnummer 779-9331
Tillv. art.nrLT1521CST-3.3#PBF
VarumärkeAnalog Devices
41,43 kr
Each (In a Pack of 2)
Enheter
- 300mA Low Dropout Voltage 1 20 mV - -30 V Surface Mount Positive SOT-223 12µA 3 - Fixed
RS-artikelnummer 162-9537
Tillv. art.nrNCP551SN33T1G
VarumärkeON Semiconductor
1,432 kr
Each (On a Reel of 3000)
Enheter
- 150mA Low Dropout Voltage 1 30 mV 2% 65 mV Surface Mount Positive TSOP 8µA 5 - Fixed
RS-artikelnummer 703-7905
Tillv. art.nrTC1262-3.3VDB
VarumärkeMicrochip
4,80 kr
Each
Enheter
- 500mA Low Dropout Voltage 1 0.35 %/V ±0.5% 0.01 %/mA Surface Mount Positive SOT-223 - 3+Tab - Fixed
RS-artikelnummer 102-5640
Tillv. art.nrLP2985AIM5-3.3/NOPB
VarumärkeTexas Instruments
3,22 kr
Each (On a Reel of 1000)
Enheter
- 150mA Low Dropout Voltage 1 0.014 %/V ±2.5% - Surface Mount Positive SOT-23 - 5 - Fixed
RS-artikelnummer 163-0095
Tillv. art.nrNCP186AMX330TAG
VarumärkeON Semiconductor
1,042 kr
Each (On a Reel of 3000)
Enheter
- 1A Low Dropout Voltage 1 0.1 %/V ±1% 5 mV Surface Mount Positive XDFN 140µA 8 - Fixed
RS-artikelnummer 686-9460
Tillv. art.nrL78L09ABUTR
VarumärkeSTMicroelectronics
3,195 kr
Each (In a Pack of 25)
Enheter
- 100mA Linear Voltage 1 225 mV - 80 mV Surface Mount Positive SOT-89 6mA 3 - Fixed
RS-artikelnummer 155-7523
Tillv. art.nrLT3060ETS8-5#TRMPBF
VarumärkeAnalog Devices
17,603 kr
Each (On a Reel of 500)
Enheter
- 100mA Low Dropout Voltage 1 25 mV ±2% 75 mV Surface Mount Positive TSOT-23 40µA 8 0.6 → 44.5V Fixed
RS-artikelnummer 714-0688
Tillv. art.nrL78M05CDT-TR
VarumärkeSTMicroelectronics
3,359 kr
Each (In a Pack of 10)
Enheter
- 500mA Linear Voltage 1 100 mV - 100 mV Surface Mount Positive DPAK 6mA 3 - Fixed
RS-artikelnummer 170-8224
Tillv. art.nrICL7660CBAZA
13,021 kr
Each (In a Tube of 98)
Enheter
- - Charge Pump - - - - Surface Mount - SOIC - 8 - -
RS-artikelnummer 748-8766
Tillv. art.nrNCP4681DSQ15T1G
VarumärkeON Semiconductor
5,994 kr
Each (In a Pack of 5)
Enheter
- 180mA Linear Voltage 1 0.1 %/V ±1% 20 mV Surface Mount Positive SC-70 2µA 5 - Fixed