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
£2.24
Each (In a Tube of 42)
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. 666-4376
Mfr. Part No.TSR 1-2490
BrandTRACOPOWER
£6.80
Each
Units
12 → 36V dc 9V dc 1 1A 9W Through Hole SIP 3 -40°C +85°C 95 → 89% 5350000h ±0.4% ±0.2% 75mV Pk-Pk
RS Stock No. 122-8230
Mfr. Part No.R-78E12-0.5
BrandRecom
£2.37
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. 124-7656
Mfr. Part No.TSR 1-2490
BrandTRACOPOWER
£6.06
Each (In a Tube of 10)
Units
12 → 36V dc 9V dc 1 1A 9W Through Hole SIP 3 -40°C +85°C 95 → 89% 5350000h ±0.4% ±0.2% 75mV Pk-Pk
RS Stock No. 166-8983
Mfr. Part No.R-783.3-0.5
BrandRecom
£5.26
Each (In a Tube of 42)
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. 532-8044
Mfr. Part No.R-783.3-0.5
BrandRecom
£5.58
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. 166-9046
Mfr. Part No.R-78HB5.0-0.5
BrandRecom
£9.78
Each (In a Tube of 42)
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. 416-874
Mfr. Part No.R-78HB5.0-0.5
BrandRecom
£10.08
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. 166-5285
Mfr. Part No.TSR 1-2465
BrandTRACOPOWER
£6.232
Each (In a Tube of 10)
Units
9 → 36V dc 6.5V dc 1 1A 6.5W Through Hole SIP 3 -40°C +85°C 94 → 87% 5350000h ±0.4% ±0.2% 50mV Pk-Pk
RS Stock No. 906-8480
Mfr. Part No.TSR 2-2465
BrandTRACOPOWER
£9.80
Each
Units
9 → 36V dc 6.5V 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. 739-8304
Mfr. Part No.R-78C12-1.0
BrandRecom
£7.23
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. 161-6642
Mfr. Part No.TSR 2-2465
BrandTRACOPOWER
£8.001
Each (In a Tube of 10)
Units
9 → 36V dc 6.5V 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. 466-7584
Mfr. Part No.PSB246-2IRG
£142.32
Each
Units
29 → 60V dc 24V dc 1 6A 144W Screw Mount - -10°C +50°C - - - - -
RS Stock No. 666-4372
Mfr. Part No.TSR 1-2465
BrandTRACOPOWER
£6.80
Each
Units
9 → 36V dc 6.5V dc 1 1A 6.5W Through Hole SIP 3 -40°C +85°C 94 → 87% 5350000h ±0.4% ±0.2% 50mV Pk-Pk
RS Stock No. 166-6672
Mfr. Part No.R-78C12-1.0
BrandRecom
£7.01
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. 124-7659
Mfr. Part No.TSR 1-24150
BrandTRACOPOWER
£5.149
Each (In a Tube of 10)
Units
18 → 36V dc 15V dc 1 1A 15W Through Hole SIP 3 -40°C +85°C 96 → 94% 5350000h ±0.4% ±0.2% 75mV Pk-Pk
RS Stock No. 666-4388
Mfr. Part No.TSR 1-24150
BrandTRACOPOWER
£6.69
Each
Units
18 → 36V dc 15V dc 1 1A 15W Through Hole SIP 3 -40°C +85°C 96 → 94% 5350000h ±0.4% ±0.2% 75mV Pk-Pk
RS Stock No. 755-3407
Mfr. Part No.TSRN 1-2450
BrandTRACOPOWER
£8.89
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. 124-7702
Mfr. Part No.TSRN 1-2450
BrandTRACOPOWER
£8.17
Each (In a Tube of 10)
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. 166-5663
Mfr. Part No.TSRN 1-2433
BrandTRACOPOWER
£7.95
Each (In a Tube of 10)
Units
4.6 → 32 V dc, 4.6 → 42 V dc ±3.3V dc 1 1 A, 600 mA - Through Hole SIP -40°C +85°C 77 %, 79 % 6000000h ±0.4% ±0.2% 50mV Pk-Pk
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