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 Price 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 Stock No. 124-8758
Mfr. Part No.IFX25001MEV33HTSA1
BrandInfineon
$0.67
Each (On a Reel of 1000)
units
- 400mA Low Dropout Voltage - - 4% - Surface Mount Positive SOT-223 100µA 4 - Fixed
RS Stock No. 826-9389
Mfr. Part No.IFX25001MEV33HTSA1
BrandInfineon
$1.44
Each (In a Pack of 25)
units
- 400mA Low Dropout Voltage - - 4% - Surface Mount Positive SOT-223 100µA 3 - Fixed
RS Stock No. 145-9664
Mfr. Part No.IFX27001TFV50ATMA1
BrandInfineon
$0.701
Each (On a Reel of 2500)
units
- 1A Linear Voltage 1 75 mV ±3% 24 mV Surface Mount Positive TO-252 800mA 3 1.25V Fixed
RS Stock No. 827-5136
Mfr. Part No.IFX27001TFV50ATMA1
BrandInfineon
$1.389
Each (In a Pack of 25)
units
- 1A Linear Voltage 1 75 mV ±3% 24 mV Surface Mount Positive TO-252 800mA 3 1.25V Fixed
RS Stock No. 823-5566
Mfr. Part No.TLE4275GATMA1
BrandInfineon
$4.178
Each (In a Pack of 5)
units
- - Low Dropout Voltage 1 15 mV 2% 30 mV Surface Mount Positive D2PAK (TO-263) 180µA 5 - Fixed
RS Stock No. 110-7489
Mfr. Part No.TLE42662GSV33HTMA2
BrandInfineon
$3.23
Each (In a Pack of 10)
units
- 500mA Low Dropout Voltage 1 20 mV ±3% 60 mV Surface Mount Positive SOT-223 4mA 3+Tab 2.5V Fixed
RS Stock No. 166-0848
Mfr. Part No.TLE42662GSV33HTMA2
BrandInfineon
$1.96
Each (On a Reel of 4000)
units
- 500mA Low Dropout Voltage 1 20 mV ±3% 60 mV Surface Mount Positive SOT-223 4mA 3+Tab 2.5V Fixed
RS Stock No. 462-8084
Mfr. Part No.TLE4264GHTSA1
BrandInfineon
$2.14
Each (In a Pack of 5)
units
- 120mA Low Dropout Voltage 1 - ±2% 40 mV Surface Mount Positive SOT-223 9mA 3+Tab - Fixed
RS Stock No. 857-8823
Mfr. Part No.TLE42744GV33ATMA1
BrandInfineon
$1.282
Each (On a Reel of 1000)
units
- 1.1A Low Dropout Voltage 1 25 mV ±2% 70 mV Surface Mount Positive D2PAK (TO-263) 220µA 3 - Fixed
RS Stock No. 110-9087
Mfr. Part No.TLE42702DATMA1
BrandInfineon
$4.25
Each (In a Pack of 5)
units
- 850mA Low Dropout Voltage 1 25 mV 2% 50 mV Surface Mount Positive TO-252 90mA 5 - Fixed
RS Stock No. 826-9402
Mfr. Part No.IFX20001MBV33HTSA1
BrandInfineon
$0.374
Each (In a Pack of 100)
units
- 30mA Low Dropout Voltage - - 4% - Surface Mount Positive SCT595 110µA 5 - Fixed
RS Stock No. 178-7476
Mfr. Part No.TLE4266GHTMA1
BrandInfineon
$1.584
Each (On a Reel of 4000)
units
- 120mA Low Dropout Voltage 1 30 mV - 40 mV Surface Mount Positive SOT-223 150mA 3+Tab - Fixed
RS Stock No. 919-8759
Mfr. Part No.TLE4264GHTSA1
BrandInfineon
$3.804
Each (On a Reel of 1000)
units
- 120mA Low Dropout Voltage 1 - ±2% 40 mV Surface Mount Positive SOT-223 9mA 3+Tab - Fixed
RS Stock No. 110-7491
Mfr. Part No.IFX20002MBV50HTSA1
BrandInfineon
$0.556
Each (In a Pack of 50)
units
- 30mA Low Dropout Voltage 1 25 mV 4% 50 mV Surface Mount Positive SCT-595 170µA 5 2.5V Fixed
RS Stock No. 165-5628
Mfr. Part No.IFX20001MBV33HTSA1
BrandInfineon
$0.273
Each (On a Reel of 3000)
units
- 30mA Low Dropout Voltage - - 4% - Surface Mount Positive SCT595 110µA 5 - Fixed
RS Stock No. 166-0881
Mfr. Part No.TLE42702DATMA1
BrandInfineon
$2.28
Each (On a Reel of 2500)
units
- 850mA Low Dropout Voltage 1 25 mV 2% 50 mV Surface Mount Positive TO-252 90mA 5 - Fixed
RS Stock No. 110-7095
Mfr. Part No.TLE42662GHTMA2
BrandInfineon
$4.032
Each (In a Pack of 5)
units
- 150mA Low Dropout Voltage 1 30 mV ±3% 90 mV Surface Mount Positive SOT-223 1µA 3+Tab - Fixed
RS Stock No. 906-3047
Mfr. Part No.TLE4285GHTSA1
BrandInfineon
$1.298
Each (In a Pack of 20)
units
- 15mA Linear Voltage 1 10 mV 4% 10 mV Surface Mount Positive SCT-595 150µA 5 - Fixed
RS Stock No. 166-0909
Mfr. Part No.TLE42662GHTMA2
BrandInfineon
$1.992
Each (On a Reel of 4000)
units
- 150mA Low Dropout Voltage 1 30 mV ±3% 90 mV Surface Mount Positive SOT-223 1µA 3+Tab - Fixed
RS Stock No. 825-9421
Mfr. Part No.TLE4266GHTMA1
BrandInfineon
$3.008
Each (In a Pack of 5)
units
- 120mA Low Dropout Voltage 1 30 mV - 40 mV Surface Mount Positive SOT-223 150mA 3+Tab - Fixed