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. 166-9000
Mfr. Part No.R-78B5.0-1.5L
BrandRecom
MYR54.085
Each (In a Tube of 42)
units
6.5 → 18V dc 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. 796-2141
Mfr. Part No.OKI-78SR-3.3/1.5-W36-C
MYR20.92
Each
units
- 3.3V dc 1 1.5A 4.95W Through Hole SIP -40°C +85°C 85.5% 78721000h ±0.25% ±0.25% 40mV Pk-Pk
RS Stock No. 167-2719
Mfr. Part No.SR05S12
BrandXP Power
MYR35.257
Each (In a Tube of 40)
units
15 → 34V dc 12V dc 1 500mA 6W Through Hole SIP -40°C +85°C 96% >4.5Mh ±0.6% ±0.5% 60mV Pk-Pk
RS Stock No. 833-7555
Mfr. Part No.PSC248-7IR
MYR2,491.51
Each
units
29 → 80V dc 24.14V dc 1 8A 192W Chassis Mount, Wall Mount C03 -25°C +71°C 95% 2800000h 160mV 220mV 155mV Pk-Pk
RS Stock No. 163-394
Mfr. Part No.R-78B12-1.0
BrandRecom
MYR45.69
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. 166-5670
Mfr. Part No.TSRN 1-24120A
BrandTRACOPOWER
MYR48.429
Each (In a Tube of 10)
units
13.5 → 24 V dc, 13.5 → 42 V dc ±12V dc 1 1 A, 300 mA - Through Hole SIP -40°C +85°C 85 %, 91 % 6000000h ±0.4% ±0.2% 75mV Pk-Pk
RS Stock No. 166-6063
Mfr. Part No.TSR 2-2450
BrandTRACOPOWER
MYR53.982
Each (In a Tube of 10)
units
6.5 → 36V dc 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. 167-5930
Mfr. Part No.OKI-78SR-3.3/1.5-W36-C
MYR15.05
Each (In a Tray of 360)
units
- 3.3V dc 1 1.5A 4.95W Through Hole SIP -40°C +85°C 85.5% 78721000h ±0.25% ±0.25% 40mV Pk-Pk
RS Stock No. 166-8771
Mfr. Part No.R-6212P
BrandRecom
MYR92.962
Each (In a Tube of 15)
units
14 → 32V dc 12V dc 1 2A 18W Through Hole SIP -40°C +85°C 93% - ±1% ±0.5% -
RS Stock No. 161-6602
Mfr. Part No.TSR 1-2415
BrandTRACOPOWER
MYR26.64
Each (In a Tube of 10)
units
4.6 → 36V dc 1.5V dc 1 1A 1.5W Through Hole SIP 3 -40°C +85°C 78 → 65% 5350000h ±0.6% ±0.2% 50mV Pk-Pk
RS Stock No. 167-1976
Mfr. Part No.STR05S6V5
BrandXP Power
MYR36.781
Each (In a Tube of 10)
units
8 → 32V dc 6.5V dc 1 500mA 3.25W Surface Mount SMD -40°C +100°C 88% 2Mh ±0.6% ±0.4% 30mV Pk-Pk
RS Stock No. 672-7118
Mfr. Part No.R-781.8-1.0
BrandRecom
MYR34.86
Each
units
4.75 → 18V dc 1.8V dc 1 1A 1.8W Through Hole SIP -40°C +85°C 82% 13338000h 0.4% 0.2% 20mV Pk-Pk
RS Stock No. 166-8772
Mfr. Part No.R-725.0P
BrandRecom
MYR116.558
Each (In a Tube of 15)
units
6.5 → 28V dc 5V dc 1 2A 10W Through Hole SIP -40°C +85°C 95% - 0.5% 0.5% 30mV Pk-Pk
RS Stock No. 178-3462
Mfr. Part No.STS1005S1V8
BrandXP Power
MYR1,023.25
1 Tube of 30
Tube(s)
3 → 5.5V dc 1.8V dc 1 1A 1W Surface Mount SMD -40°C +105°C 92.5% 3.5 (Minimum)Mh ±0.6% ±0.2% 75mV Pk-Pk
New
RS Stock No. 190-8002
Mfr. Part No.MAX770ESA+
MYR35.15
Each (In a Pack of 2)
units
2 → 16.5V dc 14.4 → 15.6V dc 1 - 15W Surface Mount - -40°C +85°C 90% - - - -
RS Stock No. 161-9865
Mfr. Part No.TSR 2-0515
BrandTRACOPOWER
MYR37.248
Each (In a Tube of 10)
units
3 → 5.5V dc 1.5V 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. 166-5285
Mfr. Part No.TSR 1-2465
BrandTRACOPOWER
MYR38.798
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. 761-8235
MYR32.26
Each
units
- - - - - - - - - - - - - -
RS Stock No. 761-8879
Mfr. Part No.LT4430ES6#TRMPBF
MYR13.78
Each
units
3 → 20V dc 600mV 1 10mA - Surface Mount TSOT -40°C +125°C - - - 0.1% -
RS Stock No. 166-6767
Mfr. Part No.ROF-78E5.0-0.5SMD
BrandRecom
MYR14.238
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
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