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
TWD3,692.00
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
TWD93.00
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. 777-3301
Mfr. Part No.ROF-78E3.3-0.5SMD
BrandRecom
TWD120.00
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. 166-6748
Mfr. Part No.ROF-78E3.3-0.5SMD-R
BrandRecom
TWD50,377.00
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. 166-6767
Mfr. Part No.ROF-78E5.0-0.5SMD
BrandRecom
TWD56,090.00
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
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. 416-878
Mfr. Part No.R-78HB3.3-0.5
BrandRecom
TWD390.00
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
TWD16,153.00
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
TWD405.00
Each
units
9 → 72V dc 3.3V dc 1 500mA - Through Hole SIP -40°C +85°C 76% - ±0.6% ±1% -
RS Stock No. 166-8991
Mfr. Part No.R-78HB3.3-0.5L
BrandRecom
TWD16,810.00
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. 416-874
Mfr. Part No.R-78HB5.0-0.5
BrandRecom
TWD410.00
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. 166-9046
Mfr. Part No.R-78HB5.0-0.5
BrandRecom
TWD16,153.00
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
TWD3,449.00
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
TWD90.00
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. 184-6577
Mfr. Part No.R-78S3.6-0.1
BrandRecom
TWD6,512.00
1 Tube of 42
Tube(s)
0.65 → 3.3V dc 3.6V dc 1 100mA - Through Hole SIP -40°C +100°C 93% 6963 x 10^3 h, 89365 x 10^3 h ±1% ±0.3% 100mV Pk-Pk
RS Stock No. 843-9358
Mfr. Part No.R-78B1.8-1.0
BrandRecom
TWD264.10
Each (In a Pack of 42)
units
4.75 → 26V dc 1.8V dc 1 1A - Through Hole SIP 3 -40°C +85°C 74 % @ 26 V, 80 % @ 4.75 V 1139 x 10³ (+71 °C) h, 6584 x 10³ (+25 °C) h 0.6% 0.4% 35mV Pk-Pk
RS Stock No. 166-9002
Mfr. Part No.R-78B3.3-1.5L
BrandRecom
TWD14,071.00
1 Tube of 42
Tube(s)
4.75 → 18V dc 3.3V dc 1 1.5A - Through Hole SIP -40°C +85°C 88% - ±0.6% ±0.4% -
RS Stock No. 672-7155
Mfr. Part No.R-78B5.0-1.5
BrandRecom
TWD340.00
Each
units
6.5 → 18V dc 5V dc 1 1.5A 7.5W Through Hole SIP -40°C +85°C 92% 3250000h ±0.8% ±0.5% 30mV Pk-Pk
RS Stock No. 901-1371
Mfr. Part No.R-78W3.3-0.5
BrandRecom
TWD265.00
Each
units
6.5 → 32V dc 3.3V dc 1 6 → 500mA 16W Through Hole SIP 3 -40°C +85°C 88% 9368 x 10³h ±0.6% ±0.4% 75mV Pk-Pk
RS Stock No. 672-7114
Mfr. Part No.R-78HB24-0.3L
BrandRecom
TWD462.00
Each
units
36 → 72V dc 24V dc 1 300mA - Through Hole SIP -40°C +85°C 92% - ±0.6% ±1% -