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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Beskrivning Pris 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-artikelnummer 810-3766
Tillv. art.nrST1S31PUR
VarumärkeSTMicroelectronics
14,146 kr
Each (On a Tape of 5)
Enheter
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-artikelnummer 165-6554
Tillv. art.nrST1S31PUR
VarumärkeSTMicroelectronics
5,685 kr
Each (On a Reel of 3000)
Enheter
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-artikelnummer 810-3744
Tillv. art.nrL7985A
VarumärkeSTMicroelectronics
18,612 kr
Each (In a Pack of 5)
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4.5 → 38V dc 0.6 → 38V dc 1 2A 2W Surface Mount HSOP -40°C +150°C - - - - -
RS-artikelnummer 810-3756
Tillv. art.nrL7986A
VarumärkeSTMicroelectronics
19,066 kr
Each (In a Pack of 5)
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4.5 → 38V dc 0.6 → 38V dc 1 3A 2W Surface Mount HSOP -40°C +150°C - - - - -
RS-artikelnummer 809-1376
Tillv. art.nrST1S32PUR
VarumärkeSTMicroelectronics
6,122 kr
Each (On a Tape of 5)
Enheter
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-artikelnummer 145-9655
Tillv. art.nrL7986A
VarumärkeSTMicroelectronics
16,274 kr
Each (In a Tube of 100)
Enheter
4.5 → 38V dc 0.6 → 38V dc 1 3A 2W Surface Mount HSOP -40°C +150°C - - - - -
RS-artikelnummer 168-7852
Tillv. art.nrST1S32PUR
VarumärkeSTMicroelectronics
6,227 kr
Each (On a Reel of 4500)
Enheter
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-artikelnummer 145-9233
Tillv. art.nrL7985A
VarumärkeSTMicroelectronics
15,717 kr
Each (In a Tube of 100)
Enheter
4.5 → 38V dc 0.6 → 38V dc 1 2A 2W Surface Mount HSOP -40°C +150°C - - - - -