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. 173-6928
Mfr. Part No.OKI-78SR-5/1.5-W36-C
$7.876
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
$6.067
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
$10.18
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. 739-8304
Mfr. Part No.R-78C12-1.0
BrandRecom
$19.15
Each
units
15 → 42V dc 12V dc 1 1A 12W Through Hole SIP 3 -40°C +85°C 92% 3880000h ±0.4% ±0.2% 100mV Pk-Pk
RS Stock No. 166-6672
Mfr. Part No.R-78C12-1.0
BrandRecom
$17.539
Each (In a Tube of 42)
units
15 → 42V dc 12V dc 1 1A 12W Through Hole SIP 3 -40°C +85°C 92% 3880000h ±0.4% ±0.2% 100mV Pk-Pk
RS Stock No. 666-4379
Mfr. Part No.TSR 1-2450
BrandTRACOPOWER
$13.24
Each
units
6.5 → 36V dc 5V dc 1 1A 5W Through Hole SIP 3 -40°C +85°C 93 → 84% 5350000h ±0.4% ±0.2% 50mV Pk-Pk
RS Stock No. 124-7657
Mfr. Part No.TSR 1-2450
BrandTRACOPOWER
$10.117
Each (In a Tube of 10)
units
6.5 → 36V dc 5V dc 1 1A 5W Through Hole SIP 3 -40°C +85°C 93 → 84% 5350000h ±0.4% ±0.2% 50mV Pk-Pk
RS Stock No. 757-7239
Mfr. Part No.R-78E5.0-0.5
BrandRecom
$5.18
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. 166-6675
Mfr. Part No.R-78E5.0-0.5
BrandRecom
$5.316
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. 917-6626
Mfr. Part No.R-78E3.3-1.0
BrandRecom
$5.17
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
$6.799
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. 166-6669
Mfr. Part No.R-78C5.0-1.0
BrandRecom
$17.539
Each (In a Tube of 42)
units
8 → 42V dc 5V dc 1 1A 5W Through Hole SIP 3 -40°C +85°C 85% 3880000h ±0.4% ±0.2% 100mV Pk-Pk
RS Stock No. 739-8290
Mfr. Part No.R-78C5.0-1.0
BrandRecom
$19.15
Each
units
8 → 42V dc 5V dc 1 1A 5W Through Hole SIP 3 -40°C +85°C 85% 3880000h ±0.4% ±0.2% 100mV Pk-Pk
RS Stock No. 166-6606
Mfr. Part No.R-746.5P
BrandRecom
$50.70
Each (In a Tube of 15)
units
8.5 → 28V dc 5 → 7.5V dc 1 5.5A 1.4W Through Hole SIP -40°C +85°C 93% 749 x 10³ (+25 °C)h 1% 1% 70mV Pk-Pk
RS Stock No. 828-9276
Mfr. Part No.R-746.5P
BrandRecom
$41.91
Each
units
8.5 → 28V dc 5 → 7.5V dc 1 5.5A 1.4W Through Hole SIP -40°C +85°C 93% 749 x 10³ (+25 °C)h 1% 1% 70mV Pk-Pk
RS Stock No. 167-6213
Mfr. Part No.OKI-78SR-5/1.5-W36H-C
$6.067
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. 796-2138
Mfr. Part No.OKI-78SR-5/1.5-W36H-C
$10.18
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. 173-6931
Mfr. Part No.OKI-78SR-5/1.5-W36H-C
$8.034
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. 906-8487
Mfr. Part No.TSR 2-2450
BrandTRACOPOWER
$25.31
Each
units
6.5 → 36V dc 5V dc 1 2A - Through Hole SIP -40°C +85°C 94% 13520000h Maximum of 1% Maximum of 0.5% 50mV Pk-Pk
RS Stock No. 122-8230
Mfr. Part No.R-78E12-0.5
BrandRecom
$4.97
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