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. 398-742
Mfr. Part No.TS7824CZ COG
MYR1.293
Each (In a Pack of 50)
units
- 1A Linear Voltage 1 480 mV ±4% 480 mV Through Hole Positive TO-220 4.6mA 3 - Fixed
RS Stock No. 169-8941
Mfr. Part No.TS2937CP33 ROG
MYR2.356
Each (On a Reel of 2500)
units
- 500mA Low Dropout Voltage 1 0.5 % ±2% 1 % Surface Mount Positive TO-252 0.2mA 3 - Fixed
RS Stock No. 398-518
Mfr. Part No.TS2937CP33 ROG
MYR6.633
Each (In a Pack of 20)
units
- 500mA Low Dropout Voltage 1 0.5 % ±2% 1 % Surface Mount Positive TO-252 0.2mA 3 - Fixed
RS Stock No. 398-552
Mfr. Part No.TS78L05CT A3G
MYR1.074
Each (In a Pack of 50)
units
- 150mA Linear Voltage 1 150 mV ±4% 60 mV Through Hole Positive TO-92 3mA 3 - Fixed
RS Stock No. 146-2236
Mfr. Part No.TS78L05ACY RMG
MYR1.027
Each (On a Reel of 1000)
units
- 150mA Linear Voltage 1 150 mV ±4% 60 mV Surface Mount Positive SOT-89 3mA 4 - Fixed
RS Stock No. 169-8939
Mfr. Part No.TS1117BCW33 RPG
MYR0.789
Each (On a Reel of 2500)
units
- 800mA Low Dropout Voltage 1 0.5 % ±2% 1 % Surface Mount Positive SOT-223 8mA 4 1.275V Fixed
RS Stock No. 146-2241
Mfr. Part No.TS5205CX533 RFG
MYR0.944
Each (On a Reel of 3000)
units
- 150mA Low Dropout Voltage 1 0.05 % ±1.5% 0.2 % Surface Mount Positive SOT-25 0.00001mA 5 - Fixed
RS Stock No. 169-8952
Mfr. Part No.TS78L05CS RLG
MYR1.22
Each (On a Reel of 2500)
units
- 150mA Linear Voltage 1 150 mV ±4% 60 mV Surface Mount Positive SOP 3mA 8 - Fixed
RS Stock No. 398-641
Mfr. Part No.TS78M12CP ROG
MYR4.625
Each (In a Pack of 50)
units
- 500mA Linear Voltage 1 240 mV ±4% 240 mV Surface Mount Positive TO-252 3mA 3 - Fixed
RS Stock No. 398-708
Mfr. Part No.TS5205CX533 RFG
MYR1.72
Each (In a Pack of 50)
units
- 150mA Low Dropout Voltage 1 0.05 % ±1.5% 0.2 % Surface Mount Positive SOT-25 0.00001mA 5 - Fixed
RS Stock No. 169-8951
Mfr. Part No.TS78M05CP ROG
MYR4.542
Each (On a Reel of 2500)
units
- 500mA Linear Voltage 1 100 mV ±4% 100 mV Surface Mount Positive TO-252 3mA 3 - Fixed
RS Stock No. 398-562
Mfr. Part No.TS78L12CT A3G
MYR0.472
Each (In a Pack of 50)
units
- 150mA Linear Voltage 1 240 mV ±4% 120 mV Through Hole Positive TO-92 3mA 3 - Fixed
RS Stock No. 398-524
Mfr. Part No.TS78L05ACY RMG
MYR2.775
Each (In a Pack of 50)
units
- 150mA Linear Voltage 1 150 mV ±4% 60 mV Surface Mount Positive SOT-89 3mA 4 - Fixed
RS Stock No. 398-697
Mfr. Part No.TS7805CZ COG
MYR1.699
Each (In a Pack of 50)
units
- 2.2A Linear Voltage 1 100 mV ±4% 100 mV Through Hole Positive TO-220 4.2mA 3 - Fixed
RS Stock No. 398-568
Mfr. Part No.TS78L12CS RLG
MYR1.68
Each (In a Pack of 50)
units
- 150mA Linear Voltage 1 240 mV ±4% 120 mV Surface Mount Positive SOP 3mA 8 - Fixed
RS Stock No. 398-647
Mfr. Part No.TS78M05CP ROG
MYR4.625
Each (In a Pack of 50)
units
- 500mA Linear Voltage 1 100 mV ±4% 100 mV Surface Mount Positive TO-252 3mA 3 - Fixed
RS Stock No. 398-657
Mfr. Part No.TS78L05CS RLG
MYR2.491
Each (In a Pack of 50)
units
- 150mA Linear Voltage 1 150 mV ±4% 60 mV Surface Mount Positive SOP 3mA 8 - Fixed
RS Stock No. 398-625
Mfr. Part No.TS9011SCX RFG
MYR1.77
Each (In a Pack of 50)
units
- 250mA Low Dropout Voltage 1 0.3 % ±2% 80 mV Surface Mount Positive SOT-23 0.002mA 3 - Fixed
RS Stock No. 398-736
Mfr. Part No.TS7812CZ COG
MYR1.699
Each (In a Pack of 50)
units
- 2.2A Linear Voltage 1 240 mV ±4% 240 mV Through Hole Positive TO-220 4.3mA 3 - Fixed
RS Stock No. 169-8946
Mfr. Part No.TS78L12CS RLG
MYR0.805
Each (On a Reel of 2500)
units
- 150mA Linear Voltage 1 240 mV ±4% 120 mV Surface Mount Positive SOP 3mA 8 - Fixed