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 761-4612
Tillv. art.nrLM337IMP/NOPB
VarumärkeTexas Instruments
21,03 kr
Each (In a Pack of 5)
Enheter
- 1.5A Linear Voltage 1 0.07 %/V - 1.5 % Surface Mount Negative SOT-223 - 3+Tab -1.25V Adjustable
RS-artikelnummer 162-6346
Tillv. art.nrLP3985IM5-5.0/NOPB
VarumärkeTexas Instruments
1,68 kr
Each (On a Reel of 1000)
Enheter
- 150mA Low Dropout Voltage 1 0.19 %/V 3% 0.005 %/mA Surface Mount Positive SOT-23 0.25mA 5 - Fixed
RS-artikelnummer 761-6706
Tillv. art.nrLP3985IM5-5.0/NOPB
VarumärkeTexas Instruments
3,786 kr
Each (In a Pack of 10)
Enheter
- 150mA Low Dropout Voltage 1 0.19 %/V 3% 0.005 %/mA Surface Mount Positive SOT-23 0.25mA 5 - Fixed
RS-artikelnummer 145-6052
Tillv. art.nrLP2951-50D
VarumärkeTexas Instruments
4,832 kr
Each (In a Tube of 75)
Enheter
- 100mA Low Dropout Voltage 1 0.4 %/V 1.4% 0.3 % Surface Mount Positive SOIC 75µA 8 1.272V Fixed
RS-artikelnummer 921-5324
Tillv. art.nrLM337IMP/NOPB
VarumärkeTexas Instruments
7,476 kr
Each (On a Reel of 1000)
Enheter
- 1.5A Linear Voltage 1 0.07 %/V - 1.5 % Surface Mount Negative SOT-223 - 3+Tab -1.25V Adjustable
RS-artikelnummer 922-3388
Tillv. art.nrTPS51200DRCT
VarumärkeTexas Instruments
5,143 kr
Each (On a Reel of 250)
Enheter
- - - - - - - - - - - - - -
RS-artikelnummer 817-5486
Tillv. art.nrTPS7A4700RGWT
VarumärkeTexas Instruments
53,53 kr
Each
Enheter
- 1A Low Dropout Voltage 1 0.092 %/V ±2.5% 0.3 %/V Surface Mount Positive VQFN - 20 1.4V Adjustable
RS-artikelnummer 533-9577
Tillv. art.nrLM1117MP-3.3/NOPB
VarumärkeTexas Instruments
10,45 kr
Each
Enheter
- 800mA Low Dropout Voltage 1 1 mV ±1% 1 mV Surface Mount - SOT-223 - 4 - Fixed
RS-artikelnummer 796-8067
Tillv. art.nrLM7815CT/NOPB
VarumärkeTexas Instruments
14,076 kr
Each (In a Pack of 5)
Enheter
- 1A Linear Voltage 1 150 mV - 150 mV Through Hole Positive TO-220 8.5mA 3 - Fixed
RS-artikelnummer 817-5477
Tillv. art.nrTPS7A3301RGWT
VarumärkeTexas Instruments
58,12 kr
Each
Enheter
- 1A Linear Voltage 1 0.14 %V ±2.5% 0.4 %V Surface Mount Negative VQFN - 20 -1.192 → -1.157V Adjustable
RS-artikelnummer 121-9409
Tillv. art.nrTPS7A4700RGWT
VarumärkeTexas Instruments
32,478 kr
Each (On a Reel of 250)
Enheter
- 1A Low Dropout Voltage 1 0.092 %/V ±2.5% 0.3 %/V Surface Mount Positive VQFN - 20 1.4V Adjustable
RS-artikelnummer 661-3772
Tillv. art.nrTPS51200DRCT
VarumärkeTexas Instruments
8,85 kr
Each
Enheter
- 3A Low Dropout Voltage 1 - - - Surface Mount Positive SON - 10 1.8V Adjustable
RS-artikelnummer 121-9408
Tillv. art.nrTPS7A3301RGWT
VarumärkeTexas Instruments
36,463 kr
Each (On a Reel of 250)
Enheter
- 1A Linear Voltage 1 0.14 %V ±2.5% 0.4 %V Surface Mount Negative VQFN - 20 -1.192 → -1.157V Adjustable
RS-artikelnummer 825-6804
Tillv. art.nrTPS51200DRCR
VarumärkeTexas Instruments
7,572 kr
Each (In a Pack of 5)
Enheter
- 5.5A Linear Voltage 1 - ±5% - Surface Mount Positive SON - 10 1.25V Adjustable
RS-artikelnummer 162-8792
Tillv. art.nrTPS51200DRCR
VarumärkeTexas Instruments
3,462 kr
Each (On a Reel of 3000)
Enheter
- 5.5A Linear Voltage 1 - ±5% - Surface Mount Positive SON - 10 1.25V Adjustable
RS-artikelnummer 922-2372
Tillv. art.nrLM7815CT/NOPB
VarumärkeTexas Instruments
9,00 kr
Each (In a Tube of 45)
Enheter
- 1A Linear Voltage 1 150 mV - 150 mV Through Hole Positive TO-220 8.5mA 3 - Fixed
RS-artikelnummer 100-5930
Tillv. art.nrLM1117MP-3.3/NOPB
VarumärkeTexas Instruments
4,552 kr
Each (On a Reel of 1000)
Enheter
- 800mA Low Dropout Voltage 1 1 mV ±1% 1 mV Surface Mount Positive SOT-223 - 3+Tab - Fixed
RS-artikelnummer 761-5609
Tillv. art.nrLM2937IMP-5.0/NOPB
VarumärkeTexas Instruments
16,316 kr
Each (In a Pack of 5)
Enheter
- 400mA Low Dropout Voltage 1 50 mV 5% 50 mV Surface Mount Positive SOT-223 20mA 3+Tab - Fixed
RS-artikelnummer 535-9357
Tillv. art.nrLM340S-12/NOPB
VarumärkeTexas Instruments
16,102 kr
Each (In a Pack of 5)
Enheter
- 1A Linear Voltage 1 120 mV ±2% 120 mV Surface Mount Positive D2PAK (TO-263) 8mA 3 - Fixed
RS-artikelnummer 761-5621
Tillv. art.nrLM317AEMP/NOPB
VarumärkeTexas Instruments
16,038 kr
Each (In a Pack of 5)
Enheter
- 1.5A Linear Voltage 1 0.01 %/V ±1% 0.5 % Surface Mount Positive SOT-223 - 3+Tab 1.27V Adjustable