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. 166-5663
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
RS Stock No. 770-4377
Mfr. Part No.ROF-78E5.0-0.5SMD
BrandRecom
£2.56
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. 166-6767
Mfr. Part No.ROF-78E5.0-0.5SMD
BrandRecom
£2.442
Each (On a Reel of 500)
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. 906-8478
Mfr. Part No.TSR 2-2433
BrandTRACOPOWER
£9.28
Each
Units
4.75 → 36V dc 3.3V dc 1 2A - Through Hole SIP -40°C +85°C 91% 13520000h Maximum of 1% Maximum of 0.5% 50mV Pk-Pk
RS Stock No. 161-6752
Mfr. Part No.TSR 2-2433
BrandTRACOPOWER
£7.587
Each (In a Tube of 10)
Units
4.75 → 36V dc 3.3V dc 1 2A - Through Hole SIP -40°C +85°C 91% 13520000h Maximum of 1% Maximum of 0.5% 50mV Pk-Pk
RS Stock No. 817-9407
Mfr. Part No.TSR 0.5-2433
BrandTRACOPOWER
£4.51
Each
Units
4.75 → 32V dc 3.3V dc 1 500mA - Through Hole SIP 3 -40°C +90°C 91% 2000000h ±0.6% ±0.4% 30mV Pk-Pk
RS Stock No. 124-7711
Mfr. Part No.TSR 0.5-2433
BrandTRACOPOWER
£3.422
Each (In a Tube of 10)
Units
4.75 → 32V dc 3.3V dc 1 500mA - Through Hole SIP 3 -40°C +90°C 91% 2000000h ±0.6% ±0.4% 30mV Pk-Pk
RS Stock No. 166-9086
Mfr. Part No.R-7812-0.5
BrandRecom
£5.79
Each (In a Tube of 42)
Units
15 → 32V dc 12V dc 1 500mA 2.5W Through Hole SIP -40°C +85°C 97% 21098000h ±0.4% ±0.2% 25mV Pk-Pk
RS Stock No. 781-3288
Mfr. Part No.TSR 3-1250
BrandTRACOPOWER
£20.44
Each
Units
4.5 → 14V dc 0.6 → 6V dc 1 3A - Through Hole SIP -40°C +85°C 93% 1630000h 0.6 %, 0.8 %, 15 mV, 20 mV 0.2 %, 5 mV 60mV Pk-Pk
RS Stock No. 917-6626
Mfr. Part No.R-78E3.3-1.0
BrandRecom
£2.67
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. 817-9416
Mfr. Part No.TSR 0.5-24120
BrandTRACOPOWER
£4.59
Each
Units
15 → 32V dc 12V dc 1 500mA - Through Hole SIP 3 -40°C +90°C 97% 2000000h ±0.4% ±0.2% 40mV Pk-Pk
RS Stock No. 166-6632
Mfr. Part No.R-78E3.3-1.0
BrandRecom
£2.51
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. 532-8072
Mfr. Part No.R-7812-0.5
BrandRecom
£6.14
Each
Units
15 → 32V dc 12V dc 1 500mA 2.5W Through Hole SIP -40°C +85°C 97% 21098000h ±0.4% ±0.2% 25mV Pk-Pk
RS Stock No. 672-7089
Mfr. Part No.R-786.5-0.5
BrandRecom
£6.14
Each
Units
8 → 32V dc 6.5V dc 1 500mA 2.5W Through Hole SIP -40°C +85°C 88% 21098000h ±0.6% ±0.4% 20mV Pk-Pk
RS Stock No. 166-8990
Mfr. Part No.R-786.5-0.5
BrandRecom
£5.79
Each (In a Tube of 42)
Units
8 → 32V dc 6.5V dc 1 500mA 2.5W Through Hole SIP -40°C +85°C 88% 21098000h ±0.6% ±0.4% 20mV Pk-Pk
RS Stock No. 124-7712
Mfr. Part No.TSR 0.5-24120
BrandTRACOPOWER
£3.422
Each (In a Tube of 10)
Units
15 → 32V dc 12V dc 1 500mA - Through Hole SIP 3 -40°C +90°C 97% 2000000h ±0.4% ±0.2% 40mV Pk-Pk
RS Stock No. 166-8965
Mfr. Part No.R-78HB12-0.5
BrandRecom
£10.35
Each (In a Tube of 42)
Units
17 → 72V dc 12V dc 1 500mA 6W Through Hole SIP -40°C +85°C 89% 7395000h ±0.6% ±1% 20mV Pk-Pk
RS Stock No. 416-890
Mfr. Part No.R-78HB12-0.5
BrandRecom
£10.67
Each
Units
17 → 72V dc 12V dc 1 500mA 6W Through Hole SIP -40°C +85°C 89% 7395000h ±0.6% ±1% 20mV Pk-Pk
RS Stock No. 466-7590
Mfr. Part No.PSR54-9G
£127.14
Each
Units
7 → 40V dc 5V dc 1 4A 20W Screw Mount - -25°C +71°C - - - - -
RS Stock No. 466-7512
Mfr. Part No.PSA123-2
£127.03
Each
Units
15 → 40V dc 12V dc 1 3A 36W Screw Mount - -10°C +50°C - - - - -
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