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. 173-6921
Mfr. Part No.OKI-78SR-12/1.0-W36E-C
MYR3,804.51
1 Box of 126
Box(es)
24V dc 12V dc 1 1A 12W Through Hole TO-220 -40°C +85°C 95.3% 78700000h ±0.25% ±0.25% 75mV Pk-Pk
RS Stock No. 163-467
Mfr. Part No.R-78B9.0-1.0
BrandRecom
MYR50.69
Each
units
32V dc 9V dc 1 1A 9W Through Hole SIP -40°C +85°C 95% 6584000h 0.1% 0.25% 25mV Pk-Pk
RS Stock No. 166-6047
Mfr. Part No.TSR 0.5-2425
BrandTRACOPOWER
MYR305.33
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. 190-4533
Mfr. Part No.MAX756CSA+
MYR12.76
Each (In a Tube of 100)
units
2.5V dc 4.8 → 5.2V dc 1 - - Surface Mount - 0°C +70°C 87% - - - -
RS Stock No. 167-2774
Mfr. Part No.TR05S15
BrandXP Power
MYR690.21
1 Tube of 40
Tube(s)
17 → 28V dc 15V dc 1 500mA 7.5W Through Hole SIP -40°C +85°C 94% >4Mh ±0.8% ±0.5% 60mV Pk-Pk
RS Stock No. 162-2714
Mfr. Part No.R-745.0P
BrandRecom
MYR2,043.33
1 Tube of 15
Tube(s)
6.5 → 28V dc 3 → 5.5V dc 1 2A 1.4W Through Hole SIP -40°C +85°C 91% 749 x 10³ (+25 °C)h 1% 1% 70mV Pk-Pk
RS Stock No. 876-2497
Mfr. Part No.TSR 0.5-2490SM
BrandTRACOPOWER
MYR41.15
Each
units
11 → 32V dc 9V dc 1 500mA - Surface Mount SIP -40°C +90°C 92 % @ 32 V dc, 96 % @ Vin min >2000000h 0.4% 0.2% 40mV Pk-Pk
RS Stock No. 166-8718
Mfr. Part No.R-78B9.0-1.0
BrandRecom
MYR2,063.75
1 Tube of 42
Tube(s)
32V dc 9V dc 1 1A 9W Through Hole SIP -40°C +85°C 95% 6584000h 0.1% 0.25% 25mV Pk-Pk
New
RS Stock No. 204-2511
Mfr. Part No.MAX20796GFB+
MYR53.10
Each
units
4.5 → 16V dc 0.5 → 5.5V dc 2 Variable - - - - - - - - - -
RS Stock No. 876-2478
Mfr. Part No.TSR 0.5-2418SM
BrandTRACOPOWER
MYR35.79
Each
units
4.75 → 32V dc 1.8V dc 1 500mA - Surface Mount SIP -40°C +90°C 71 % @ 32 V dc, 82 % @ Vin min >2000000h 0.6% 0.4% 30mV Pk-Pk
RS Stock No. 122-7221
Mfr. Part No.SR10S3V3
BrandXP Power
MYR35.38
Each
units
4.75 → 18V dc 3.3V dc 1 1A 3.3W Through Hole SIP -40°C +60°C 90% 4.5Mh ±0.6% ±0.5% 60mV Pk-Pk
RS Stock No. 122-4614
Mfr. Part No.STR05S1V5
BrandXP Power
MYR33.44
Each
units
4.75 → 32V dc 1.5V dc 1 500mA 0.75W Surface Mount SMD -40°C +100°C 63% 2Mh ±0.6% ±0.4% 30mV Pk-Pk
RS Stock No. 122-7222
Mfr. Part No.TR05S05
BrandXP Power
MYR16.23
Each
units
7 → 28V dc 5V dc 1 500mA 2.5W Through Hole SIP -40°C +85°C 92% 4Mh ±0.8% ±0.5% 60mV Pk-Pk
RS Stock No. 828-9270
Mfr. Part No.R-78B15-1.0L
BrandRecom
MYR53.38
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. 124-7711
Mfr. Part No.TSR 0.5-2433
BrandTRACOPOWER
MYR244.67
1 Tube of 10
Tube(s)
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. 174-4711
Mfr. Part No.SRH05S05
BrandXP Power
MYR38.36
Each
units
9 → 72V dc 5V dc 1 500mA - Through Hole SIP -40°C +85°C 80 %, 88 % 4.5Mh 0.6% 1% 75mV Pk-Pk
RS Stock No. 186-1239
Mfr. Part No.NCP1342AMAACD1R2G
MYR1.979
Each (On a Reel of 2500)
units
9 → 28V dc - 1 500 (Source) mA, 800 (Sink) mA 30mW Surface Mount SOIC -40°C +125°C - - - - -
RS Stock No. 167-2768
Mfr. Part No.SR05S09
BrandXP Power
MYR1,098.20
1 Tube of 40
Tube(s)
11 → 34V dc 9V dc 1 500mA 4.5W Through Hole SIP -40°C +85°C 96% >4.5Mh ±0.6% ±0.5% 60mV Pk-Pk
RS Stock No. 190-4473
Mfr. Part No.MAX15005AAUE+
MYR9.27
Each (In a Tube of 96)
units
4.5 → 40V dc 7.15 → 7.6V dc 1 100mA - Surface Mount - -40°C +125°C - - - - -
RS Stock No. 190-7778
Mfr. Part No.MAX1623EAP+
MYR43.30
Each
units
4.5 → 5.5V dc 3.29 → 3.36V dc 1 3.65A - Surface Mount - -40°C +85°C 94% - - - -
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Introducing the RS PRO K78 range Switching Regulators, ...
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