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. 122-4615
Mfr. Part No.STR05S1V8
BrandXP Power
$13.39
Each
units
4.75 32V dc 1.8V dc 1 500mA 0.9W Surface Mount SMD -40°C +100°C 71% 2Mh ±0.6% ±0.4% 30mV Pk-Pk
RS Stock No. 163-451
Mfr. Part No.R-78B5.0-1.0
BrandRecom
$16.55
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. 168-4373
Mfr. Part No.TPS5450DDAR
$7.607
Each (On a Reel of 2500)
units
- - - - - - - - - - - - - -
RS Stock No. 876-2475
Mfr. Part No.TSR 0.5-2415SM
BrandTRACOPOWER
$13.64
Each
units
4.75 32V dc 1.5V dc 1 500mA - Surface Mount SIP -40°C +90°C 63 % @ 32 V dc, 73 % @ Vin min >2000000h 0.6% 0.4% 30mV Pk-Pk
RS Stock No. 876-2490
Mfr. Part No.TSR 0.5-24120SM
BrandTRACOPOWER
$11.89
Each
units
15 32V dc 12V dc 1 500mA - Surface Mount SIP -40°C +90°C 94 % @ 32 V dc, 97 % @ Vin min >2000000h 0.4% 0.2% 40mV Pk-Pk
RS Stock No. 672-7091
Mfr. Part No.R-78HB3.3-0.5L
BrandRecom
$21.73
Each
units
9 72V dc 3.3V dc 1 500mA - Through Hole SIP -40°C +85°C 76% - ±0.6% ±1% -
RS Stock No. 167-1975
Mfr. Part No.STR05S05
BrandXP Power
$14.549
1 Tube of 10
Tube(s)
6.5 32V dc 5V dc 1 500mA 2.5W Surface Mount SMD -40°C +100°C 86% 2Mh ±0.6% ±0.4% 30mV Pk-Pk
RS Stock No. 173-6932
Mfr. Part No.OKI-78SR-5/1.5-W36HE-C
$1,499.49
1 Box of 126
Box(es)
12V dc 5V dc 1 1.5A 7.5W Through Hole TO-220 -40°C +85°C 90.5% 78700000h ±0.4% ±0.3% 75mV Pk-Pk
RS Stock No. 906-8459
Mfr. Part No.TSR 2-0512
BrandTRACOPOWER
$20.17
Each
units
3 5.5V dc 1.2V dc 1 2A - Through Hole SIP -40°C +85°C 90% 13520000h Maximum of 1% Maximum of 0.5% 50mV Pk-Pk
RS Stock No. 166-8997
Mfr. Part No.R-78B12-1.0L
BrandRecom
$19.45
1 Tube of 42
Tube(s)
32V dc 12V dc 1 1A - Through Hole SIP -40°C +85°C 96% 6584000h 0.25% 0.1% 25mV Pk-Pk
RS Stock No. 168-7852
Mfr. Part No.ST1S32PUR
$1.773
Each (On a Reel of 4500)
units
2.8 5.5V dc Minimum of 0.8V dc 1 4A 2.25W Surface Mount VFDFPN -40°C +150°C - - 0.6% 0.3% -
RS Stock No. 166-8990
Mfr. Part No.R-786.5-0.5
BrandRecom
$14.195
1 Tube of 42
Tube(s)
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. 672-7124
Mfr. Part No.R-785.0-1.0
BrandRecom
$15.56
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. 532-8066
Mfr. Part No.R-789.0-0.5
BrandRecom
$12.73
Each
units
11 32V dc 9V dc 1 500mA 2.5W Through Hole SIP -40°C +85°C 96% 21098000h ±0.4% ±0.2% 25mV Pk-Pk
RS Stock No. 672-7089
Mfr. Part No.R-786.5-0.5
BrandRecom
$12.73
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. 706-3966
Mfr. Part No.R-78AA5.0-1.0SMD
BrandRecom
$16.72
Each
units
6.5 18V dc 5V dc 1 1A - Surface Mount DIP -40°C +85°C 94% 21070000h 0.7% 0.2% 20mV Pk-Pk
RS Stock No. 188-3362
Mfr. Part No.STH0548S3V3
BrandXP Power
$17.70
Each
units
- - - - - - - - - - - - - -
RS Stock No. 788-0626
Mfr. Part No.TSN 1-24150
BrandTRACOPOWER
$28.60
Each
units
-18 -32V dc -15V dc 1 -1A - Through Hole - -40°C +85°C 92% - 0.6% 1% -
RS Stock No. 166-5667
Mfr. Part No.TSRN 1-2433A
BrandTRACOPOWER
$18.897
1 Tube of 10
Tube(s)
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. 167-1976
Mfr. Part No.STR05S6V5
BrandXP Power
$14.549
1 Tube of 10
Tube(s)
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
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