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. 827-5325
Mfr. Part No.TLE4253GSXUMA1
BrandInfineon
$2.658
Each (In a Pack of 20)
units
- 250mA Low Dropout Voltage 1 10 mV 0.5% 10 mV Surface Mount Positive DSO 15mA 8 - Tracking
RS Stock No. 145-8848
Mfr. Part No.TLE4253GSXUMA1
BrandInfineon
$1.566
Each (On a Reel of 2500)
units
- 250mA Low Dropout Voltage 1 10 mV 0.5% 10 mV Surface Mount Positive DSO 15mA 8 - Tracking
RS Stock No. 462-8084
Mfr. Part No.TLE4264GHTSA1
BrandInfineon
$2.298
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. 165-5878
Mfr. Part No.TLE4295GV50HTSA1
BrandInfineon
$0.744
Each (On a Reel of 3000)
units
- 30mA Low Dropout Voltage 1 30 mV 4% 30 mV Surface Mount Positive SCT595 200µA 5 - Fixed
RS Stock No. 906-2971
Mfr. Part No.TLE42754DATMA1
BrandInfineon
$2.56
Each (In a Pack of 10)
units
- 450mA Low Dropout Voltage 1 15 mV - -15 mV Surface Mount Positive TO-252 - 5 - Fixed
RS Stock No. 145-9664
Mfr. Part No.IFX27001TFV50ATMA1
BrandInfineon
$0.74
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. 110-9087
Mfr. Part No.TLE42702DATMA1
BrandInfineon
$4.84
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. 165-5967
Mfr. Part No.IFX25401TEVATMA1
BrandInfineon
$0.702
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. 110-9109
Mfr. Part No.TLE42642GHTSA2
BrandInfineon
$4.433
Each (On a Tape of 10)
units
- 500mA Low Dropout Voltage 1 30 mV ±3% 90 mV Surface Mount Positive SOT-223 4mA 3+Tab 2.5V Fixed
RS Stock No. 165-8019
Mfr. Part No.IFX27001TFV33ATMA1
BrandInfineon
$0.732
Each (On a Reel of 2500)
units
- 1A Low Dropout Voltage 1 50 mV - 16 mV Surface Mount Positive TO-252 - 3 1.25V Fixed
RS Stock No. 165-5323
Mfr. Part No.IFX25001TCV50ATMA1
BrandInfineon
$0.98
Each (On a Reel of 1000)
units
- 400mA Low Dropout Voltage 1 25 mV 4% 50 mV Surface Mount Positive D2PAK (TO-263) 220µA 3 - Fixed
RS Stock No. 110-7095
Mfr. Part No.TLE42662GHTMA2
BrandInfineon
$4.33
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
$1.481
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. 892-2103
Mfr. Part No.IFX25001TCV50ATMA1
BrandInfineon
$1.823
Each (In a Pack of 10)
units
- 400mA Low Dropout Voltage 1 25 mV 4% 50 mV Surface Mount Positive D2PAK (TO-263) 220µA 3 - Fixed
RS Stock No. 166-0878
Mfr. Part No.TLE4252DATMA1
BrandInfineon
$1.90
Each (On a Reel of 2500)
units
- 500mA Low Dropout Voltage 1 10 mV - 10 mV Surface Mount Positive TO-252 150µA 5 - Tracking
RS Stock No. 166-0909
Mfr. Part No.TLE42662GHTMA2
BrandInfineon
$2.191
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. 919-8774
Mfr. Part No.TLE42712GATMA1
BrandInfineon
$2.618
Each (On a Reel of 1000)
units
- 800mA Low Dropout Voltage 1 25 mV ±2% 50 mV Surface Mount Positive D2PAK (TO-263) 10µA 7 - Fixed
RS Stock No. 857-8823
Mfr. Part No.TLE42744GV33ATMA1
BrandInfineon
$1.377
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. 826-9030
Mfr. Part No.IFX1117MEV33HTMA1
BrandInfineon
$1.135
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. 906-3057
Mfr. Part No.TLE4275DV33ATMA1
BrandInfineon
$4.642
Each (In a Pack of 5)
units
- 400mA Low Dropout Voltage 1 15 mV - -15 mV Surface Mount Positive TO-252 - 5 - Fixed