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. 146-1858
Mfr. Part No.SPX3819M5-L-3-3/TR
BrandMaxLinear
TWD7.30
Each (On a Reel of 2500)
units
- 100mA Low Noise LDO 1 0.2 %/V 1% 0.4 % Surface Mount Positive SOT-23 8µA 5 - Fixed
RS Stock No. 847-2888
Mfr. Part No.SPX3819M5-L-3-3/TR
BrandMaxLinear
TWD18.30
Each (In a Pack of 10)
units
- 100mA Low Noise LDO 1 0.2 %/V 1% 0.4 % Surface Mount Positive SOT-23 8µA 5 - Fixed
RS Stock No. 913-4219
Mfr. Part No.SPX29302T5-L/TR
BrandMaxLinear
TWD37.70
Each (On a Reel of 500)
units
- 3A Low Dropout Voltage 1 0.5 % ±1% 1 % Surface Mount Positive D2PAK (TO-263) 40mA 5 1.277V Adjustable
RS Stock No. 686-5872
Mfr. Part No.SPX5205M5-L-5-0/TR
BrandMaxLinear
TWD12.90
Each (In a Pack of 10)
units
- 150mA Low Dropout Voltage 1 0.1 %/V ±1% 0.2 % Surface Mount Positive SOT-23 0.07mA 5 - Fixed
RS Stock No. 769-5504
Mfr. Part No.SPX29302T5-L
BrandMaxLinear
TWD57.00
Each (In a Pack of 5)
units
- 3A Low Dropout Voltage 1 0.5 % 1% 1 % Surface Mount Positive D2PAK (TO-263) 60mA 5 1.24V Adjustable
RS Stock No. 177-7099
Mfr. Part No.SPX5205M5-L-5-0/TR
BrandMaxLinear
TWD4.40
Each (On a Reel of 3000)
units
- 150mA Low Dropout Voltage 1 0.1 %/V ±1% 0.2 % Surface Mount Positive SOT-23 0.07mA 5 - Fixed
RS Stock No. 170-4437
Mfr. Part No.SP6205EM5-L/TR
BrandMaxLinear
TWD9.30
Each (On a Reel of 2500)
units
- 500mA Low Dropout Voltage 1 0.3 %/V ±2% 0.5 % Surface Mount Positive SOT-23 0.045mA 5 1.275V Adjustable
RS Stock No. 847-2882
Mfr. Part No.XRP6272ITC5TR-F
BrandMaxLinear
TWD29.20
Each (In a Pack of 10)
units
- 2A Low Dropout Voltage 1 15 mV ±2% 15 mV Surface Mount Positive TO-252 30µA 5 - Adjustable, Fixed
RS Stock No. 913-4193
Mfr. Part No.SP6205EM5-L-3-3/TR
BrandMaxLinear
TWD10.90
Each (On a Reel of 2500)
units
- 500mA Low Dropout Voltage 1 0.3 %/V ±2% 0.5 % Surface Mount Positive SOT-23 0.045mA 5 - Fixed
RS Stock No. 170-4541
Mfr. Part No.SP78L05N-L/TR
BrandMaxLinear
TWD4.70
Each (On a Reel of 2500)
units
- 100mA Linear Voltage 1 75 mV - 60 mV Surface Mount Positive NSOIC 5mA 8 - Fixed
RS Stock No. 170-4505
Mfr. Part No.SP6661EN-L
BrandMaxLinear
TWD51.60
Each (In a Tube of 98)
units
- 200mA Charge Pump - - - - Surface Mount - SOIC - 8 - -
RS Stock No. 778-0706
Mfr. Part No.LP2951CS-L-5-0
BrandMaxLinear
TWD13.00
Each (In a Pack of 7)
units
- 100mA Low Dropout Voltage 1 0.2 % ±1% 0.2 % Surface Mount Positive SOIC 150µA 8 1.235V Adjustable, Fixed
RS Stock No. 146-1834
Mfr. Part No.SPX5205M5-L/TR
BrandMaxLinear
TWD5.00
Each (On a Reel of 2500)
units
- 150mA Low Dropout Voltage 1 0.1 %/V ±1% 0.2 % Surface Mount Positive SOT-23 0.07mA 5 - Adjustable
RS Stock No. 769-5416
Mfr. Part No.SP6661EN-L
BrandMaxLinear
TWD63.00
Each (In a Pack of 2)
units
- 200mA Charge Pump - - - - Surface Mount - SOIC - 8 - -
RS Stock No. 170-4511
Mfr. Part No.SPX29302T5-L
BrandMaxLinear
TWD47.90
Each (In a Tube of 50)
units
- 3A Low Dropout Voltage 1 0.5 % 1% 1 % Surface Mount Positive D2PAK (TO-263) 60mA 5 1.24V Adjustable
RS Stock No. 177-7096
Mfr. Part No.SP6203EM5-L-2-8/TR
BrandMaxLinear
TWD8.70
Each (On a Reel of 3000)
units
- 300mA Low Dropout Voltage 1 0.3 %/V ±2% 0.3 % Surface Mount Positive SOT-23 0.045mA 5 - Fixed
RS Stock No. 686-5608
Mfr. Part No.SP34063AEN-L/TR
BrandMaxLinear
TWD14.60
Each (In a Pack of 10)
units
Boost/Buck Controller 1.5A Buck Boost Switching 1 - - - Surface Mount - SOIC - 8 - Adjustable
RS Stock No. 686-5838
Mfr. Part No.SPX1117M3-L/TR
BrandMaxLinear
TWD10.40
Each (In a Pack of 25)
units
- 800mA Low Dropout Voltage 1 0.1 % ±1% 0.2 % Surface Mount Positive SOT-223 5mA 3+Tab 1.262V Adjustable
RS Stock No. 686-5774
Mfr. Part No.SP6205EM5-L-3-3/TR
BrandMaxLinear
TWD29.10
Each (In a Pack of 10)
units
- 500mA Low Dropout Voltage 1 0.3 %/V ±2% 0.5 % Surface Mount Positive SOT-23 0.045mA 5 - Fixed
RS Stock No. 686-5840
Mfr. Part No.SPX1117M3-L-3-3/TR
BrandMaxLinear
TWD11.80
Each (In a Pack of 25)
units
- 800mA Low Dropout Voltage 1 0.1 % ±1% 0.2 % Surface Mount Positive SOT-223 5mA 3+Tab 1.262V Fixed