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. 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. 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. 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. 167-5929
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. 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. 817-9832
Mfr. Part No.R-78W12-0.5
BrandRecom
SGD13.73
Each
units
15 → 32V dc 12V dc 1 500mA - Through Hole SIP 3 -40°C +85°C 97% 21098000h 0.4% 0.2% 35mV Pk-Pk
RS Stock No. 917-6626
Mfr. Part No.R-78E3.3-1.0
BrandRecom
SGD5.25
Each
units
7 → 28V dc 3.3V dc 1 1A - Through Hole SIP -40°C +85°C 87% 3875000h ±1.5% ±1% 120mV Pk-Pk
RS Stock No. 166-6632
Mfr. Part No.R-78E3.3-1.0
BrandRecom
SGD4.971
Each (In a Tube of 42)
units
7 → 28V dc 3.3V dc 1 1A - Through Hole SIP -40°C +85°C 87% 3875000h ±1.5% ±1% 120mV 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. 416-856
Mfr. Part No.R-78HB24-0.3
BrandRecom
SGD20.84
Each
units
36 → 72V dc 24V dc 1 300mA 8W Through Hole SIP -40°C +85°C 92% 7395000h ±0.6% ±1% 20mV 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. 122-7225
Mfr. Part No.TR05S3V3
BrandXP Power
SGD11.09
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. 166-8962
Mfr. Part No.R-78HB24-0.3
BrandRecom
SGD21.785
Each (In a Tube of 42)
units
36 → 72V dc 24V dc 1 300mA 8W Through Hole SIP -40°C +85°C 92% 7395000h ±0.6% ±1% 20mV Pk-Pk
RS Stock No. 167-2638
Mfr. Part No.TR05S3V3
BrandXP Power
SGD11.479
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. 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. 817-9410
Mfr. Part No.TSR 0.5-24150
BrandTRACOPOWER
SGD9.10
Each
units
18 → 32V dc 15V dc 1 500mA - Through Hole SIP 3 -40°C +90°C 97% 2000000h ±0.4% ±0.2% 40mV Pk-Pk
RS Stock No. 166-8987
Mfr. Part No.R-78HB24-0.3L
BrandRecom
SGD22.533
Each (In a Tube of 42)
units
36 → 72V dc 24V dc 1 300mA - Through Hole SIP -40°C +85°C 92% - ±0.6% ±1% -
RS Stock No. 166-6675
Mfr. Part No.R-78E5.0-0.5
BrandRecom
SGD4.069
Each (In a Tube of 42)
units
7 → 28V dc 5V dc 1 500mA 2.5W Through Hole SIP -40°C +85°C 92% 4185000h ±1% ±0.5% 50mV Pk-Pk
RS Stock No. 161-6751
Mfr. Part No.TSR 0.5-24150
BrandTRACOPOWER
SGD6.581
Each (In a Tube of 10)
units
18 → 32V dc 15V dc 1 500mA - Through Hole SIP 3 -40°C +90°C 97% 2000000h ±0.4% ±0.2% 40mV Pk-Pk
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