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. 173-6931
Mfr. Part No.OKI-78SR-5/1.5-W36H-C
SGD6.563
Each (In a Box of 100)
units
12V dc 5V dc 1 1.5A 7.5W Through Hole TO-220 -40°C +85°C 90.5% 78700000h ±0.4% ±0.25% 40mV Pk-Pk
RS Stock No. 796-2138
Mfr. Part No.OKI-78SR-5/1.5-W36H-C
SGD6.94
Each
units
- 5V dc 1 1.5A 7.5W Through Hole SIP -40°C +85°C 90.5% - ±0.25% ±0.25% 75mV Pk-Pk
RS Stock No. 167-6213
Mfr. Part No.OKI-78SR-5/1.5-W36H-C
SGD4.915
Each (In a Tray of 100)
units
- 5V dc 1 1.5A 7.5W Through Hole SIP -40°C +85°C 90.5% - ±0.25% ±0.25% 75mV Pk-Pk
RS Stock No. 796-2132
Mfr. Part No.OKI-78SR-5/1.5-W36-C
SGD6.64
Each
units
- 5V dc 1 1.5A 7.5W Through Hole SIP -40°C +85°C - - ±0.25% ±0.25% 75mV Pk-Pk
RS Stock No. 167-5929
Mfr. Part No.OKI-78SR-5/1.5-W36-C
SGD4.918
Each (In a Tray of 360)
units
- 5V dc 1 1.5A 7.5W Through Hole SIP -40°C +85°C - - ±0.25% ±0.25% 75mV Pk-Pk
RS Stock No. 173-6928
Mfr. Part No.OKI-78SR-5/1.5-W36-C
SGD6.307
Each (On a Reel of 360)
units
12V dc 5V dc 1 1.5A 7.5W Through Hole TO-220 -40°C +85°C - 78700000h ±0.4% ±0.25% 40mV Pk-Pk
RS Stock No. 167-5930
Mfr. Part No.OKI-78SR-3.3/1.5-W36-C
SGD4.918
Each (In a Tray of 360)
units
- 3.3V dc 1 1.5A 4.95W Through Hole SIP -40°C +85°C 85.5% 78721000h ±0.25% ±0.25% 40mV Pk-Pk
RS Stock No. 796-2141
Mfr. Part No.OKI-78SR-3.3/1.5-W36-C
SGD6.64
Each
units
- 3.3V dc 1 1.5A 4.95W Through Hole SIP -40°C +85°C 85.5% 78721000h ±0.25% ±0.25% 40mV Pk-Pk
RS Stock No. 173-6925
Mfr. Part No.OKI-78SR-3.3/1.5-W36-C
SGD6.307
Each (On a Reel of 360)
units
12V dc 3.3V dc 1 1.5A 4.95W Through Hole TO-220 -40°C +85°C 85.5% 78700000h ±0.4% ±0.25% 40mV Pk-Pk
RS Stock No. 173-6929
Mfr. Part No.OKI-78SR-5/1.5-W36E-C
SGD9.647
Each (In a Box of 126)
units
12V dc 5V dc 1 1.5A 7.5W Through Hole TO-220 -40°C +85°C 90.5% 78700000h ±0.4% ±0.3% 75mV Pk-Pk
RS Stock No. 173-6920
Mfr. Part No.OKI-78SR-12/1.0-W36-C
SGD6.307
Each (On a Reel of 360)
units
24V dc 12V dc 1 1A 12W Through Hole TO-220 -40°C +85°C 95.3% 78700000h ±0.25% ±0.25% 75mV Pk-Pk
RS Stock No. 173-6927
Mfr. Part No.OKI-78SR-3.3/1.5-W36H-C
SGD6.445
Each (In a Box of 100)
units
12V dc 3.3V dc 1 1.5A 4.95W Through Hole TO-220 -40°C +85°C 85.5% 78700000h ±0.4% ±0.25% 40mV Pk-Pk
RS Stock No. 173-6958
Mfr. Part No.OKI-78SR-12/1.0-W36H-C
SGD7.91
Each
units
12V dc 12V dc 1 1A 12W Through Hole TO-220 -40°C +85°C 95.3% 78700000h ±0.25% ±0.25% 75mV Pk-Pk
RS Stock No. 173-6926
Mfr. Part No.OKI-78SR-3.3/1.5-W36E-C
SGD9.474
Each (In a Box of 126)
units
12V dc 3.3V dc 1 1.5A 4.95W Through Hole TO-220 -40°C +85°C 85.5% 78700000h ±0.4% ±0.3% 40mV Pk-Pk
RS Stock No. 173-7098
Mfr. Part No.OKI-78SR-5/1.5-W36HE-C
SGD11.64
Each
units
12V dc 5V dc 1 1.5A 7.5W Through Hole TO-220 -40°C +85°C 90.5% 78700000h ±0.4% ±0.3% 75mV Pk-Pk
RS Stock No. 173-6921
Mfr. Part No.OKI-78SR-12/1.0-W36E-C
SGD9.474
Each (In a Box of 126)
units
24V dc 12V dc 1 1A 12W Through Hole TO-220 -40°C +85°C 95.3% 78700000h ±0.25% ±0.25% 75mV Pk-Pk
RS Stock No. 173-6951
Mfr. Part No.OKI-78SR-12/1.0-W36E-C
SGD11.64
Each
units
24V dc 12V dc 1 1A 12W Through Hole TO-220 -40°C +85°C 95.3% 78700000h ±0.25% ±0.25% 75mV Pk-Pk
RS Stock No. 173-7085
Mfr. Part No.OKI-78SR-5/1.5-W36E-C
SGD11.64
Each
units
12V dc 5V dc 1 1.5A 7.5W Through Hole TO-220 -40°C +85°C 90.5% 78700000h ±0.4% ±0.3% 75mV Pk-Pk
RS Stock No. 173-6922
Mfr. Part No.OKI-78SR-12/1.0-W36H-C
SGD6.445
Each (In a Box of 100)
units
12V dc 12V dc 1 1A 12W Through Hole TO-220 -40°C +85°C 95.3% 78700000h ±0.25% ±0.25% 75mV Pk-Pk
RS Stock No. 173-7022
Mfr. Part No.OKI-78SR-3.3/1.5-W36E-C
SGD11.64
Each
units
12V dc 3.3V dc 1 1.5A 4.95W Through Hole TO-220 -40°C +85°C 85.5% 78700000h ±0.4% ±0.3% 40mV Pk-Pk