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. 165-5967
Mfr. Part No.IFX25401TEVATMA1
BrandInfineon
MYR2.234
Each (On a Reel of 2500)
units
- 400mA Low Dropout Voltage 1 25 mV ±2% 35 mV Surface Mount Positive TO-252 220µA 5 2.5V Adjustable
RS Stock No. 827-5085
Mfr. Part No.IFX25401TEVATMA1
BrandInfineon
MYR4.064
Each (In a Pack of 25)
units
- 400mA Low Dropout Voltage 1 25 mV ±2% 35 mV Surface Mount Positive TO-252 220µA 5 2.5V Adjustable
RS Stock No. 919-8771
Mfr. Part No.TLE4284DVATMA1
BrandInfineon
MYR4.547
Each (On a Reel of 2500)
units
- 1A Low Dropout Voltage 1 1.5 % - 0.5 % Surface Mount Positive TO-252 - 3 1.25V Adjustable
RS Stock No. 826-9383
Mfr. Part No.IFX21401MBHTSA1
BrandInfineon
MYR1.092
Each (In a Pack of 100)
units
- 50mA Low Dropout Voltage - - 0.5% - Surface Mount Positive SCT595 140µA 5 - Tracking
RS Stock No. 165-5624
Mfr. Part No.IFX21401MBHTSA1
BrandInfineon
MYR0.718
Each (On a Reel of 3000)
units
- 50mA Low Dropout Voltage - - 0.5% - Surface Mount Positive SCT595 140µA 5 - Tracking
RS Stock No. 827-5176
Mfr. Part No.TLE42502GHTSA1
BrandInfineon
MYR3.184
Each (In a Pack of 25)
units
- 50mA Low Dropout Voltage 1 10 mV 0.5% 15 mV Surface Mount Positive SCT595 200µA 5 - Tracking
RS Stock No. 110-7174
Mfr. Part No.IFX20002MBV33HTSA1
BrandInfineon
MYR1.68
Each (In a Pack of 50)
units
- 30mA Low Dropout Voltage 1 25 mV 4% 50 mV Surface Mount Positive SCT-595 5µA 4+Tab - Fixed
RS Stock No. 166-1102
Mfr. Part No.IFX20002MBV33HTSA1
BrandInfineon
MYR0.878
Each (On a Reel of 3000)
units
- 30mA Low Dropout Voltage 1 25 mV 4% 50 mV Surface Mount Positive SCT-595 5µA 4+Tab - Fixed
RS Stock No. 753-3257
Mfr. Part No.TLE4284DVATMA1
BrandInfineon
MYR6.67
Each (In a Pack of 2)
units
- 1A Low Dropout Voltage 1 1.5 % - 0.5 % Surface Mount Positive TO-252 - 3 1.25V Adjustable
RS Stock No. 124-8765
Mfr. Part No.TLE42502GHTSA1
BrandInfineon
MYR2.313
Each (On a Reel of 3000)
units
- 50mA Low Dropout Voltage 1 10 mV 0.5% 15 mV Surface Mount Positive SCT-595 200µA 5 - Tracking
RS Stock No. 165-8065
Mfr. Part No.IFX27001TFVATMA1
BrandInfineon
MYR2.313
Each (On a Reel of 2500)
units
- 1A Low Dropout Voltage 1 1.5 % - 0.5 % Surface Mount Positive TO-252 - 3 1.2 → 1.3V Adjustable
RS Stock No. 897-7396
Mfr. Part No.IFX27001TFVATMA1
BrandInfineon
MYR3.61
Each (In a Pack of 10)
units
- 1A Low Dropout Voltage 1 1.5 % - 0.5 % Surface Mount Positive TO-252 - 3 1.2 → 1.3V Adjustable
RS Stock No. 823-5620
Mfr. Part No.TLE4278GXUMA1
BrandInfineon
MYR12.085
Each (In a Pack of 2)
units
- - Low Dropout Voltage 1 20 mV 2% -5 mV Surface Mount Positive SOIC 180µA 14 1.35V Fixed
RS Stock No. 826-9484
Mfr. Part No.TLE42344GHTSA1
BrandInfineon
MYR5.96
Each (In a Pack of 25)
units
- 100mA Low Dropout Voltage - - 2% - Surface Mount Positive SOT-223 400µA 3 - Fixed
RS Stock No. 825-9061
Mfr. Part No.TLE42742DV50ATMA1
BrandInfineon
MYR5.529
Each (In a Pack of 10)
units
- 600mA Low Dropout Voltage 1 25 mV - 50 mV Surface Mount Positive TO-252 - 3 - Fixed
RS Stock No. 827-5198
Mfr. Part No.TLE4295GV50HTSA1
BrandInfineon
MYR4.326
Each (In a Pack of 25)
units
- 30mA Low Dropout Voltage 1 30 mV 4% 30 mV Surface Mount Positive SCT595 200µA 5 - Fixed
RS Stock No. 110-7781
Mfr. Part No.TLE7469GV52AUMA1
BrandInfineon
MYR15.87
Each (In a Pack of 4)
units
- 700mA Low Dropout Voltage 2 50 mV ±2 (5 V) %, ±4 (2.6 V) % 60 mV Surface Mount Positive DSO 55µA 12 - Fixed
RS Stock No. 857-8542
Mfr. Part No.IFX4949SJXUMA1
BrandInfineon
MYR1.419
Each (On a Reel of 2500)
units
- 100mA Low Dropout Voltage 1 15 mV ±1% 20 mV Surface Mount Positive DSO 3.6mA 8 - Fixed
RS Stock No. 826-9030
Mfr. Part No.IFX1117MEV33HTMA1
BrandInfineon
MYR2.05
Each (In a Pack of 50)
units
- 800mA Low Dropout Voltage 1 - 2% - Surface Mount Positive SOT-223 5000µA 3+Tab - Fixed
RS Stock No. 897-7355
Mfr. Part No.TLE4252GATMA1
BrandInfineon
MYR11.214
Each (In a Pack of 5)
units
- 500mA Low Dropout Voltage 1 10 mV ±10mV 10 mV Surface Mount Positive D2PAK (TO-263) 2µA 5 1.5V Adjustable