Switching Regulators

Switching regulators are circuits that transform voltage and input current into a voltage and an output current of suitable level for properly feed the system, compensating for variations in the load and input voltage. They regulate energy transfer to maintain a constant output voltage within the circuit limits.

What are switching regulators used for?

They are use for single-cell or multi-cell battery powered applications and for portable electronic devices that are battery powered. They can prevent short circuits and ensure over voltage and under voltage protection. Switching regulators protect electronic systems from over current and over temperature damage.

Types of switching regulators

The basic circuit of the switching regulator can be configured to increase (step up or boost), reduce (step down or buck), or reverse the output voltage with respect to the input voltage (inverters). Switching regulators offer several advantages over linear voltage regulators. The main advantage is the high conversion efficiency, up to 95%. They often do not require external capacitors.


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Omschrijving Prijs Input Voltage Output Voltage Number of Outputs Output Current Power Rating Mounting Type Package Minimum Temperature Maximum Temperature Efficiency MTBF Load Regulation Line Regulation Ripple And Noise
RS-stocknr. 810-3766
FabrikantnummerST1S31PUR
1,368 €
Each (On a Tape of 5)
Aantal stuks
2.8 → 5.5V dc 0.8 → 5.5V dc 1 3A 1.5W Surface Mount VFDFPN -40°C +150°C - - 0.6% 0.3% -
RS-stocknr. 810-3756
FabrikantnummerL7986A
1,844 €
Each (In a Pack of 5)
Aantal stuks
4.5 → 38V dc 0.6 → 38V dc 1 3A 2W Surface Mount HSOP -40°C +150°C - - - - -
RS-stocknr. 809-1376
FabrikantnummerST1S32PUR
1,634 €
Each (On a Tape of 5)
Aantal stuks
2.8 → 5.5V dc Minimum of 0.8V dc 1 4A 2.25W Surface Mount VFDFPN -40°C +150°C - - 0.6% 0.3% -
RS-stocknr. 168-7852
FabrikantnummerST1S32PUR
0,693 €
Each (On a Reel of 4500)
Aantal stuks
2.8 → 5.5V dc Minimum of 0.8V dc 1 4A 2.25W Surface Mount VFDFPN -40°C +150°C - - 0.6% 0.3% -
RS-stocknr. 165-6554
FabrikantnummerST1S31PUR
0,55 €
Each (On a Reel of 3000)
Aantal stuks
2.8 → 5.5V dc 0.8 → 5.5V dc 1 3A 1.5W Surface Mount VFDFPN -40°C +150°C - - 0.6% 0.3% -
RS-stocknr. 145-9655
FabrikantnummerL7986A
1,574 €
Each (In a Tube of 100)
Aantal stuks
4.5 → 38V dc 0.6 → 38V dc 1 3A 2W Surface Mount HSOP -40°C +150°C - - - - -
RS-stocknr. 810-3744
FabrikantnummerL7985A
1,80 €
Each (In a Pack of 5)
Aantal stuks
4.5 → 38V dc 0.6 → 38V dc 1 2A 2W Surface Mount HSOP -40°C +150°C - - - - -
RS-stocknr. 145-9233
FabrikantnummerL7985A
1,52 €
Each (In a Tube of 100)
Aantal stuks
4.5 → 38V dc 0.6 → 38V dc 1 2A 2W Surface Mount HSOP -40°C +150°C - - - - -