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. 166-6497
Mfr. Part No.R-78E3.3-0.5
BrandRecom
$5.364
1 Tube of 42
Tube(s)
6 28V dc 3.3V dc 1 500mA 1.65W Through Hole SIP 3 -40°C +85°C 88% 4185000h ±1% ±0.5% 50mV Pk-Pk
RS Stock No. 166-8996
Mfr. Part No.R-78B15-1.0
BrandRecom
$18.428
1 Tube of 42
Tube(s)
32V dc 15V dc 1 1A - Through Hole SIP -40°C +85°C 97% 6584000h 0.25% 0.1% 25mV Pk-Pk
RS Stock No. 166-8989
Mfr. Part No.R-783.3-1.0
BrandRecom
$14.195
1 Tube of 42
Tube(s)
4.75 18V dc 3.3V dc 1 1A 3.3W Through Hole SIP -40°C +85°C 84% 13338000h ±0.6% ±0.4% 30mV Pk-Pk
RS Stock No. 817-9393
Mfr. Part No.TSR 0.5-2418
BrandTRACOPOWER
$11.56
Each
units
4.75 32V dc 1.8V dc 1 500mA - Through Hole SIP 3 -40°C +90°C 82% 2000000h ±0.6% ±0.4% 30mV Pk-Pk
RS Stock No. 755-3407
Mfr. Part No.TSRN 1-2450
BrandTRACOPOWER
$18.84
Each
units
6.5 31 V dc, 6.5 42 V dc ±5V dc 1 1 A, 400 mA - Through Hole SIP -40°C +85°C 78 %, 83 % 6000000h ±0.4% ±0.2% 50mV Pk-Pk
RS Stock No. 161-6750
Mfr. Part No.TSR 0.5-2418
BrandTRACOPOWER
$9.923
1 Tube of 10
Tube(s)
4.75 32V dc 1.8V dc 1 500mA - Through Hole SIP 3 -40°C +90°C 82% 2000000h ±0.6% ±0.4% 30mV Pk-Pk
RS Stock No. 817-9397
Mfr. Part No.TSR 0.5-2425
BrandTRACOPOWER
$12.14
Each
units
4.75 32V dc 2.5V dc 1 500mA - Through Hole SIP 3 -40°C +90°C 87% 2000000h ±0.6% ±0.4% 30mV Pk-Pk
RS Stock No. 781-3291
Mfr. Part No.TSR 3-24150
BrandTRACOPOWER
$54.98
Each
units
10 30V dc 5 15V dc 1 3A - Through Hole SIP -40°C +85°C 95% 1630000h 0.6 %, 0.8 % 0.2% 150mV Pk-Pk
RS Stock No. 166-6676
Mfr. Part No.R-78B15-1.0L
BrandRecom
$19.45
1 Tube of 42
Tube(s)
20 32V dc 15V dc 1 1A 0.65W Through Hole SIP 3 -40°C +85°C 96% 6584 x 10³ (+25 °C)h 0.4% 0.2% 35mV Pk-Pk
RS Stock No. 672-7136
Mfr. Part No.R-78B15-1.0
BrandRecom
$15.57
Each
units
32V dc 15V dc 1 1A - Through Hole SIP -40°C +85°C 97% 6584000h 0.25% 0.1% 25mV Pk-Pk
RS Stock No. 124-7702
Mfr. Part No.TSRN 1-2450
BrandTRACOPOWER
$19.771
1 Tube of 10
Tube(s)
6.5 31 V dc, 6.5 42 V dc 5V dc 1 1 A, 400 mA - Through Hole SIP -40°C +85°C 78 %, 83 % 6000000h ±0.4% ±0.2% 50mV Pk-Pk
RS Stock No. 672-7120
Mfr. Part No.R-783.3-1.0
BrandRecom
$15.47
Each
units
4.75 18V dc 3.3V dc 1 1A 3.3W Through Hole SIP -40°C +85°C 84% 13338000h ±0.6% ±0.4% 30mV Pk-Pk
RS Stock No. 828-9270
Mfr. Part No.R-78B15-1.0L
BrandRecom
$16.41
Each
units
20 32V dc 15V dc 1 1A 0.65W Through Hole SIP 3 -40°C +85°C 96% 6584 x 10³ (+25 °C)h 0.4% 0.2% 35mV Pk-Pk
RS Stock No. 166-6047
Mfr. Part No.TSR 0.5-2425
BrandTRACOPOWER
$10.178
1 Tube of 10
Tube(s)
4.75 32V dc 2.5V dc 1 500mA - Through Hole SIP 3 -40°C +90°C 87% 2000000h ±0.6% ±0.4% 30mV Pk-Pk
RS Stock No. 901-1371
Mfr. Part No.R-78W3.3-0.5
BrandRecom
$14.27
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. 532-8038
Mfr. Part No.R-781.8-0.5
BrandRecom
$11.56
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. 166-6671
Mfr. Part No.R-78C3.3-1.0
BrandRecom
$17.698
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. 416-846
Mfr. Part No.R-78HB15-0.5
BrandRecom
$25.93
Each
units
20 72V dc 15V dc 1 500mA 7.5W Through Hole SIP -40°C +85°C 91% 7395000h ±0.6% ±1% 20mV Pk-Pk
RS Stock No. 739-8297
Mfr. Part No.R-78C3.3-1.0
BrandRecom
$14.96
Each
units
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. 906-8465
Mfr. Part No.TSR 2-0525
BrandTRACOPOWER
$19.51
Each
units
3.8 5.5V dc 2.5V dc 1 2A - Through Hole SIP -40°C +85°C 93.5% 13520000h Maximum of 1% Maximum of 0.5% 50mV Pk-Pk
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