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. 666-4360
Mfr. Part No.TSR 1-2433
BrandTRACOPOWER
£4.89
Each
Units
4.75 36V dc 3.3V dc 1 1A 3.3W Through Hole SIP 3 -40°C +85°C 90 79% 5350000h ±0.4% ±0.2% 50mV Pk-Pk
RS Stock No. 166-8746
Mfr. Part No.R-78B5.0-1.0
BrandRecom
£6.72
1 Tube of 42
Tube(s)
32V dc 5V dc 1 1A 5W Through Hole SIP -40°C +85°C 93% 6584000h 0.2% 0.4% 15mV Pk-Pk
RS Stock No. 163-451
Mfr. Part No.R-78B5.0-1.0
BrandRecom
£6.93
Each
Units
32V dc 5V dc 1 1A 5W Through Hole SIP -40°C +85°C 93% 6584000h 0.2% 0.4% 15mV Pk-Pk
RS Stock No. 166-6120
Mfr. Part No.TSR 2-24120
BrandTRACOPOWER
£7.747
1 Tube of 10
Tube(s)
15 → 36V dc 12V dc 1 2A - Through Hole SIP -40°C +85°C 95% 13520000h Maximum of 1% Maximum of 0.5% 75mV Pk-Pk
RS Stock No. 906-8493
Mfr. Part No.TSR 2-24120
BrandTRACOPOWER
£9.28
Each
Units
15 36V dc 12V dc 1 2A - Through Hole SIP -40°C +85°C 95% 13520000h Maximum of 1% Maximum of 0.5% 75mV Pk-Pk
RS Stock No. 166-6669
Mfr. Part No.R-78C5.0-1.0
BrandRecom
£7.01
1 Tube of 42
Tube(s)
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. 817-9400
Mfr. Part No.TSR 0.5-2450
BrandTRACOPOWER
£3.90
Each
Units
6.5 32V dc 5V dc 1 500mA - Through Hole SIP 3 -40°C +90°C 94% 2000000h ±0.6% ±0.4% 30mV Pk-Pk
RS Stock No. 124-7710
Mfr. Part No.TSR 0.5-2450
BrandTRACOPOWER
£3.42
1 Tube of 10
Tube(s)
6.5 → 32V dc 5V dc 1 500mA - Through Hole SIP 3 -40°C +90°C 94% 2000000h ±0.6% ±0.4% 30mV Pk-Pk
RS Stock No. 739-8290
Mfr. Part No.R-78C5.0-1.0
BrandRecom
£7.23
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. 781-3282
Mfr. Part No.TSR 3-2450
BrandTRACOPOWER
£28.54
Each
Units
10 → 30V dc 3 → 6V dc 1 3A - Through Hole SIP -40°C +85°C 91% 1630000h 0.6 %, 0.8 % 0.2% 75mV Pk-Pk
RS Stock No. 166-9001
Mfr. Part No.R-78B5.0-1.5
BrandRecom
£8.13
1 Tube of 42
Tube(s)
6.5 → 18 V, 8 → 18 V 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. 672-7155
Mfr. Part No.R-78B5.0-1.5
BrandRecom
£8.38
Each
Units
6.5 → 18 V, 8 → 18 V 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. 777-3291
Mfr. Part No.R-78E3.3-0.5
BrandRecom
£2.21
Each
Units
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. 166-6497
Mfr. Part No.R-78E3.3-0.5
BrandRecom
£2.09
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. 162-2682
Mfr. Part No.R-78B12-1.0
BrandRecom
£7.29
1 Tube of 42
Tube(s)
32V dc 12V dc 1 1A 12W Through Hole SIP -40°C +85°C 96% 6584000h 0.1% 0.25% 25mV Pk-Pk
RS Stock No. 163-394
Mfr. Part No.R-78B12-1.0
BrandRecom
£7.52
Each
Units
32V dc 12V dc 1 1A 12W Through Hole SIP -40°C +85°C 96% 6584000h 0.1% 0.25% 25mV Pk-Pk
RS Stock No. 755-3438
Mfr. Part No.TSRN 1-2450A
BrandTRACOPOWER
£8.89
Each
Units
4.6 → 31 V dc, 6.5 → 42 V dc -5 V dc, 5 V dc 1 1 A, 400 mA - Through Hole SIP -40°C +85°C 78 %, 83 % 6000000h ±0.4% ±0.2% 75mV Pk-Pk
RS Stock No. 672-7124
Mfr. Part No.R-785.0-1.0
BrandRecom
£6.14
Each
Units
6.5 → 18V dc 5V dc 1 1A 5W Through Hole SIP -40°C +85°C 94% 13338000h ±0.6% ±0.4% 30mV Pk-Pk
RS Stock No. 166-8992
Mfr. Part No.R-785.0-1.0
BrandRecom
£5.79
1 Tube of 42
Tube(s)
6.5 → 18V dc 5V dc 1 1A 5W Through Hole SIP -40°C +85°C 94% 13338000h ±0.6% ±0.4% 30mV Pk-Pk
RS Stock No. 166-5669
Mfr. Part No.TSRN 1-2450A
BrandTRACOPOWER
£7.288
1 Tube of 10
Tube(s)
4.6 → 31 V dc, 6.5 → 42 V dc -5 V dc, 5 V dc 1 1 A, 400 mA - Through Hole SIP -40°C +85°C 78 %, 83 % 6000000h ±0.4% ±0.2% 75mV Pk-Pk
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