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. 122-8229
Mfr. Part No.R-78E9.0-0.5
BrandRecom
MYR14.85
Each
units
12 → 28V dc 9V dc 1 500mA - Through Hole TO-220 -40°C +85°C 94% 2182000 (+85 °C)h ±1% ±0.5% 50mV Pk-Pk
RS Stock No. 166-6137
Mfr. Part No.TSN 1-24120
BrandTRACOPOWER
MYR55.11
Each (In a Tube of 10)
units
-15 → -32V dc -12V dc 1 -1A - Through Hole - -40°C +85°C 92% - 0.6% 1% -
RS Stock No. 166-6669
Mfr. Part No.R-78C5.0-1.0
BrandRecom
MYR44.404
Each (In a Tube of 42)
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. 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. 672-7152
Mfr. Part No.R-78B5.0-1.5L
BrandRecom
MYR49.27
Each
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. 706-3950
Mfr. Part No.R-78AA1.8-1.0SMD
BrandRecom
MYR40.24
Each
units
4.75 → 18V dc 1.8V dc 1 1A - Surface Mount DIP -40°C +85°C - - - - -
RS Stock No. 173-6925
Mfr. Part No.OKI-78SR-3.3/1.5-W36-C
MYR19.643
Each (On a Reel of 360)
units
12V dc 3.3V dc 1 1.5A 4.95W Through Hole TO-220 -40°C +85°C 85.5% 78700000h ±0.4 ±0.25% 40mV Pk-Pk
RS Stock No. 466-7584
Mfr. Part No.PSB246-2IRG
MYR783.67
Each
units
29 → 60V dc 24V dc 1 6A 144W Screw Mount - -10°C +50°C - - - - -
RS Stock No. 906-8487
Mfr. Part No.TSR 2-2450
BrandTRACOPOWER
MYR55.31
Each
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. 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. 124-7702
Mfr. Part No.TSRN 1-2450
BrandTRACOPOWER
MYR52.80
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. 166-8999
Mfr. Part No.R-78B5.0-1.0L
BrandRecom
MYR45.136
Each (In a Tube of 42)
units
32V dc 5V dc 1 1A 5W Through Hole SIP -40°C +85°C 93% 6584000h ±0.6% ±0.4% 20mV Pk-Pk
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. 166-9046
Mfr. Part No.R-78HB5.0-0.5
BrandRecom
MYR62.075
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. 166-6626
Mfr. Part No.R-78AA1.8-1.0SMD
BrandRecom
MYR42.271
Each (In a Tube of 33)
units
4.75 → 18V dc 1.8V dc 1 1A - Surface Mount DIP -40°C +85°C - - - - -
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. 416-874
Mfr. Part No.R-78HB5.0-0.5
BrandRecom
MYR59.17
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. 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. 672-7149
Mfr. Part No.R-78B5.0-1.0L
BrandRecom
MYR42.41
Each
units
32V dc 5V dc 1 1A 5W Through Hole SIP -40°C +85°C 93% 6584000h ±0.6% ±0.4% 20mV Pk-Pk
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