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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Description Price 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 Stock No. 122-7212
Mfr. Part No.SR05S09
BrandXP Power
£5.43
Each
Units
11 → 34V dc 9V dc 1 500mA 4.5W Through Hole SIP -40°C +85°C 96% 4.5Mh ±0.6% ±0.5% 60mV Pk-Pk
RS Stock No. 167-2768
Mfr. Part No.SR05S09
BrandXP Power
£4.89
Each (In a Tube of 40)
Units
11 → 34V dc 9V dc 1 500mA 4.5W Through Hole SIP -40°C +85°C 96% >4.5Mh ±0.6% ±0.5% 60mV Pk-Pk
RS Stock No. 167-2638
Mfr. Part No.TR05S3V3
BrandXP Power
£4.858
Each (In a Tube of 40)
Units
4.5 → 28V dc 3.3V dc 1 500mA 1.65W Through Hole SIP -40°C +85°C 89% >4Mh ±0.8% ±0.5% 60mV Pk-Pk
RS Stock No. 122-7225
Mfr. Part No.TR05S3V3
BrandXP Power
£4.55
Each
Units
4.5 → 28V dc 3.3V dc 1 500mA 1.65W Through Hole SIP -40°C +85°C 89% 4Mh ±0.8% ±0.5% 60mV Pk-Pk
RS Stock No. 122-7222
Mfr. Part No.TR05S05
BrandXP Power
£2.84
Each
Units
7 → 28V dc 5V dc 1 500mA 2.5W Through Hole SIP -40°C +85°C 92% 4Mh ±0.8% ±0.5% 60mV Pk-Pk
RS Stock No. 167-2637
Mfr. Part No.TR05S05
BrandXP Power
£2.56
Each (In a Tube of 40)
Units
7 → 28V dc 5V dc 1 500mA 2.5W Through Hole SIP -40°C +85°C 92% >4Mh ±0.8% ±0.5% 60mV Pk-Pk
RS Stock No. 167-2764
Mfr. Part No.SR05S05
BrandXP Power
£4.89
Each (In a Tube of 40)
Units
6.5 → 34V dc 5V dc 1 500mA 2.5W Through Hole SIP -40°C +85°C 94% >4.5Mh ±0.6% ±0.5% 60mV Pk-Pk
RS Stock No. 122-7211
Mfr. Part No.SR05S05
BrandXP Power
£5.43
Each
Units
6.5 → 34V dc 5V dc 1 500mA 2.5W Through Hole SIP -40°C +85°C 94% 4.5Mh ±0.6% ±0.5% 60mV Pk-Pk
RS Stock No. 161-9073
Mfr. Part No.TR05S12
BrandXP Power
£2.56
Each (In a Tube of 40)
Units
14 → 28V dc 12V dc 1 500mA 6W Through Hole SIP -40°C +85°C 94% >4Mh ±0.8% ±0.5% 60mV Pk-Pk
RS Stock No. 122-7223
Mfr. Part No.TR05S12
BrandXP Power
£2.84
Each
Units
14 → 28V dc 12V dc 1 500mA 6W Through Hole SIP -40°C +85°C 94% 4Mh ±0.8% ±0.5% 60mV Pk-Pk
RS Stock No. 122-4610
Mfr. Part No.STR05S05
BrandXP Power
£6.58
Each
Units
6.5 → 32V dc 5V dc 1 500mA 2.5W Surface Mount SMD -40°C +100°C 86% 2Mh ±0.6% ±0.4% 30mV Pk-Pk
RS Stock No. 167-1975
Mfr. Part No.STR05S05
BrandXP Power
£6.19
Each (In a Tube of 10)
Units
6.5 → 32V dc 5V dc 1 500mA 2.5W Surface Mount SMD -40°C +100°C 86% 2Mh ±0.6% ±0.4% 30mV Pk-Pk
RS Stock No. 167-2767
Mfr. Part No.SR05S7V2
BrandXP Power
£4.89
Each (In a Tube of 40)
Units
9 → 34V dc 7.2V dc 1 500mA 3.6W Through Hole SIP -40°C +85°C 95% >4.5Mh ±0.6% ±0.5% 60mV Pk-Pk
RS Stock No. 122-7219
Mfr. Part No.SR10S05
BrandXP Power
£6.05
Each
Units
6.5 → 18V dc 5V dc 1 1A 5W Through Hole SIP -40°C +60°C 93% 4.5Mh ±0.6% ±0.5% 60mV Pk-Pk
RS Stock No. 122-7213
Mfr. Part No.SR05S12
BrandXP Power
£5.43
Each
Units
15 → 34V dc 12V dc 1 500mA 6W Through Hole SIP -40°C +85°C 96% 4.5Mh ±0.6% ±0.5% 60mV Pk-Pk
RS Stock No. 122-7218
Mfr. Part No.SR05S7V2
BrandXP Power
£5.43
Each
Units
9 → 34V dc 7.2V dc 1 500mA 3.6W Through Hole SIP -40°C +85°C 95% 4.5Mh ±0.6% ±0.5% 60mV Pk-Pk
RS Stock No. 167-2719
Mfr. Part No.SR05S12
BrandXP Power
£4.89
Each (In a Tube of 40)
Units
15 → 34V dc 12V dc 1 500mA 6W Through Hole SIP -40°C +85°C 96% >4.5Mh ±0.6% ±0.5% 60mV Pk-Pk
RS Stock No. 167-2763
Mfr. Part No.SR10S05
BrandXP Power
£5.44
Each (In a Tube of 40)
Units
6.5 → 18V dc 5V dc 1 1A 5W Through Hole SIP -40°C +60°C 93% >4.5Mh ±0.6% ±0.5% 60mV Pk-Pk
RS Stock No. 161-9240
Mfr. Part No.SR05S3V3
BrandXP Power
£4.89
Each (In a Tube of 40)
Units
4.75 → 34V dc 3.3V dc 1 500mA 1.65W Through Hole SIP -40°C +85°C 91% >4.5Mh ±0.6% ±0.5% 60mV Pk-Pk
RS Stock No. 122-7216
Mfr. Part No.SR05S3V3
BrandXP Power
£5.43
Each
Units
4.75 → 34V dc 3.3V dc 1 500mA 1.65W Through Hole SIP -40°C +85°C 91% 4.5Mh ±0.6% ±0.5% 60mV Pk-Pk