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庫存編號 162-9536
製造零件編號NCP551SN30T1G
TWD6.60
個 (在毎卷:3000)
單位
- 150mA Low Dropout Voltage 1 30 mV 2% 65 mV Surface Mount Positive TSOP 8µA 5 - Fixed
RS庫存編號 102-3488
製造零件編號MC7805CTG
TWD16.80
毎管:50 個
單位
- 1A Linear Voltage 1 20 mV ±4% 25 mV Through Hole Positive TO-220 3.2mA 3 - Fixed
RS庫存編號 785-7279
製造零件編號NCP551SN30T1G
TWD16.00
Each (On a Tape of 10)
單位
- 150mA Low Dropout Voltage 1 30 mV 2% 65 mV Surface Mount Positive TSOP 8µA 5 - Fixed
RS庫存編號 516-5988
製造零件編號MC7805ABD2TG
TWD32.20
/個 (每包:5個)
單位
- 2.2A Linear Voltage 1 10 mV ±4% 25 mV Surface Mount Positive D2PAK 3.2mA 3 - Fixed
RS庫存編號 516-5095
製造零件編號MC34063AP1G
TWD25.00
單位
- 1.5A Buck Boost Switching 1 - - - Through Hole - PDIP - 8 - -
RS庫存編號 103-2162
製造零件編號MC7805ABD2TG
TWD26.10
毎管:50 個
單位
- 2.2A Linear Voltage 1 10 mV ±4% 25 mV Surface Mount Positive D2PAK 3.2mA 3 - Fixed
RS庫存編號 102-3501
製造零件編號MC78L05ACPG
TWD4.40
個 (以毎袋:2000)
單位
- 100mA Linear Voltage 1 150 mV - 60 mV Through Hole Positive TO-92 - 3 - Fixed
RS庫存編號 785-7200
製造零件編號NCP1117STAT3G
TWD13.00
/個 (每包:20個)
單位
- 2.2A Low Dropout Voltage 1 0.1 % ±1% 0.4 % Surface Mount Positive SOT-223 10mA 3+Tab 1.25V Adjustable
RS庫存編號 464-104
製造零件編號LM337TG
TWD22.60
/個 (每包:10個)
單位
- 1.5A Linear Voltage 1 0.04 %/V - 1 % Through Hole Negative TO-220 - 3 -1.25V Adjustable
RS庫存編號 516-6177
製造零件編號MC7806CTG
TWD23.00
單位
- 2.2A Linear Voltage 1 24 mV ±4% 30 mV Through Hole Positive TO-220 3.3mA 3 - Fixed
RS庫存編號 163-2460
製造零件編號MC33063ADG
TWD21.50
毎管:98 個
單位
Boost/Buck Controller 1.5A Buck Boost Switching 1 3 mV、12 mV、30 mV - 0.022 V、3 mV、10 mV Surface Mount - SOIC - 8 - -
RS庫存編號 516-5354
製造零件編號MC33063ADG
TWD26.00
單位
Boost/Buck Controller 1.5A Buck Boost Switching 1 3 mV、12 mV、30 mV - 0.022 V、3 mV、10 mV Surface Mount - SOIC - 8 - -
RS庫存編號 170-3371
製造零件編號NCP114ASN280T1G
TWD2.20
個 (在毎卷:3000)
單位
- 600mA Low Dropout Voltage 1 0.1 %/V ±2% 45 mV Surface Mount Positive TSOP 95µA 5 - Fixed
RS庫存編號 163-2461
製造零件編號MC33063ADR2G
TWD8.60
個 (在毎卷:2500)
單位
Boost/Buck Controller 1.5A Buck Boost Switching 1 3 mV、12 mV、30 mV - 0.022 V、3 mV、10 mV Surface Mount - SOIC - 8 - -
RS庫存編號 126-3177
製造零件編號NCP114ASN300T1G
TWD9.40
/個 (每包:50個)
單位
- 600mA Low Dropout Voltage 1 0.1 %/V ±2% 45 mV Surface Mount Positive TSOP 95µA 5 - Fixed
RS庫存編號 689-9941
製造零件編號MC33063ADR2G
TWD26.00
單位
Boost/Buck Controller 1.5A Buck Boost Switching 1 3 mV、12 mV、30 mV - 0.022 V、3 mV、10 mV Surface Mount - SOIC - 8 - -
RS庫存編號 516-5758
製造零件編號MC78L05ACPG
TWD16.20
/個 (每包:5個)
單位
- 100mA Linear Voltage 1 150 mV - 60 mV Through Hole Positive TO-92 - 3 - Fixed
RS庫存編號 126-3176
製造零件編號NCP114ASN280T1G
TWD8.50
/個 (每包:50個)
單位
- 600mA Low Dropout Voltage 1 0.1 %/V ±2% 45 mV Surface Mount Positive TSOP 95µA 5 - Fixed
RS庫存編號 170-3372
製造零件編號NCP114ASN300T1G
TWD2.40
個 (在毎卷:3000)
單位
- 600mA Low Dropout Voltage 1 0.1 %/V ±2% 45 mV Surface Mount Positive TSOP 95µA 5 - Fixed
RS庫存編號 103-2169
製造零件編號MC79L15ACPRAG
TWD4.50
個 (在毎卷:2000)
單位
- 100mA Linear Voltage 1 300 mV - 150 mV Through Hole Negative TO-92 - 3 - Fixed