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. 166-8978
Mfr. Part No.R-78E12-0.5
BrandRecom
TWD3,889.00
1 Tube of 42
Tube(s)
15 → 28V dc 12V dc 1 500mA - Through Hole TO-220 -40°C +85°C 95% 2182000 (+85 °C)h ±1% ±0.5% 70mV Pk-Pk
RS Stock No. 122-8230
Mfr. Part No.R-78E12-0.5
BrandRecom
TWD97.00
Each
units
15 → 28V dc 12V dc 1 500mA - Through Hole TO-220 -40°C +85°C 95% 2182000 (+85 °C)h ±1% ±0.5% 70mV Pk-Pk
RS Stock No. 166-6748
Mfr. Part No.ROF-78E3.3-0.5SMD-R
BrandRecom
TWD51,366.00
1 Reel of 500
Reel(s)
5 → 36V dc 3.3V dc 1 500mA 1.65W Surface Mount SMD -40°C +85°C 84% 3500 x 10³h ±3% ±1% 100mV
RS Stock No. 777-3301
Mfr. Part No.ROF-78E3.3-0.5SMD-R
BrandRecom
TWD123.00
Each
units
5 → 36V dc 3.3V dc 1 500mA 1.65W Surface Mount SMD -40°C +85°C 84% 3500 x 10³h ±3% ±1% 100mV
RS Stock No. 166-6767
Mfr. Part No.ROF-78E5.0-0.5SMD
BrandRecom
TWD56,193.00
1 Reel of 500
Reel(s)
9 → 36V dc 5V dc 1 500mA - Surface Mount SMD -40°C +75°C 87% 700000h ±3% ±1% 100mV Pk-Pk
RS Stock No. 770-4377
Mfr. Part No.ROF-78E5.0-0.5SMD-R
BrandRecom
TWD115.00
Each
units
9 → 36V dc 5V dc 1 500mA - Surface Mount SMD -40°C +75°C 87% 700000h ±3% ±1% 100mV Pk-Pk
RS Stock No. 166-8991
Mfr. Part No.R-78HB3.3-0.5L
BrandRecom
TWD17,692.00
1 Tube of 42
Tube(s)
9 → 72V dc 3.3V dc 1 500mA - Through Hole SIP -40°C +85°C 76% - ±0.6% ±1% -
RS Stock No. 672-7091
Mfr. Part No.R-78HB3.3-0.5L
BrandRecom
TWD431.00
Each
units
9 → 72V dc 3.3V dc 1 500mA - Through Hole SIP -40°C +85°C 76% - ±0.6% ±1% -
RS Stock No. 166-8963
Mfr. Part No.R-78HB3.3-0.5
BrandRecom
TWD17,008.00
1 Tube of 42
Tube(s)
9 → 72V dc 3.3V dc 1 500mA - Through Hole SIP -40°C +85°C 76% - ±0.6% ±1% -
RS Stock No. 416-878
Mfr. Part No.R-78HB3.3-0.5
BrandRecom
TWD414.00
Each
units
9 → 72V dc 3.3V dc 1 500mA - Through Hole SIP -40°C +85°C 76% - ±0.6% ±1% -
RS Stock No. 166-9046
Mfr. Part No.R-78HB5.0-0.5
BrandRecom
TWD17,008.00
1 Tube of 42
Tube(s)
9 → 72V dc 5V dc 1 500mA 2.5W Through Hole SIP -40°C +85°C 81% 7395000h ±0.6% ±1% 20mV Pk-Pk
RS Stock No. 166-6675
Mfr. Part No.R-78E5.0-0.5
BrandRecom
TWD3,633.00
1 Tube of 42
Tube(s)
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. 757-7239
Mfr. Part No.R-78E5.0-0.5
BrandRecom
TWD108.00
Each
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. 416-874
Mfr. Part No.R-78HB5.0-0.5
BrandRecom
TWD414.00
Each
units
9 → 72V dc 5V dc 1 500mA 2.5W Through Hole SIP -40°C +85°C 81% 7395000h ±0.6% ±1% 20mV Pk-Pk
RS Stock No. 532-8038
Mfr. Part No.R-781.8-0.5
BrandRecom
TWD228.00
Each
units
4.75 → 32V dc 1.8V dc 1 500mA 2.5W Through Hole SIP -40°C +85°C 82% - ±0.6% ±0.4% -
RS Stock No. 672-7082
Mfr. Part No.R-6212P
BrandRecom
TWD616.00
Each
units
14 → 32V dc 12V dc 1 2A 18W Through Hole SIP -40°C +85°C 93% - ±1% ±0.5% -
RS Stock No. 532-8044
Mfr. Part No.R-783.3-0.5
BrandRecom
TWD228.00
Each
units
4.75 → 32V dc 3.3V dc 1 500mA 2.5W Through Hole SIP -40°C +85°C 91% 21098000h ±0.6% ±0.4% 20mV Pk-Pk
RS Stock No. 166-9053
Mfr. Part No.R-785.0-0.5
BrandRecom
TWD9,145.00
1 Tube of 42
Tube(s)
6.5 → 32V dc 5V dc 1 500mA 2.5W Through Hole SIP -40°C +85°C 94% 21098000h ±0.6% ±0.4% 20mV Pk-Pk
RS Stock No. 166-6671
Mfr. Part No.R-78C3.3-1.0
BrandRecom
TWD12,179.00
1 Tube of 42
Tube(s)
7 → 42V dc 3.3V dc 1 1A 3.3W Through Hole SIP 3 -40°C +85°C 79% 3880000h ±0.4% ±0.2% 100mV Pk-Pk
RS Stock No. 917-6639
Mfr. Part No.R-78HB5.0-0.5/W
BrandRecom
TWD479.00
Each
units
9 → 72V dc 5V dc 1 500mA - Through Hole SIP -40°C +85°C 87% 7395000h 0.6% 1% 60mV Pk-Pk