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
New
RS Stock No. 190-8271
Mfr. Part No.MAX735CSA+
MYR26.25
Each (In a Pack of 2)
units
4 9V dc -5.25 -4.75V dc 1 175mA - Surface Mount - 0°C +70°C 78 (Typ.)% - - - -
RS Stock No. 122-4615
Mfr. Part No.STR05S1V8
BrandXP Power
MYR34.47
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. 122-7223
Mfr. Part No.TR05S12
BrandXP Power
MYR17.12
Each
units
14 28V dc 12V dc 1 500mA 6W Through Hole SIP -40°C +85°C 94% 4Mh ±0.8% ±0.5% 60mV Pk-Pk
RS Stock No. 178-3466
Mfr. Part No.STS1024S12
BrandXP Power
MYR1,058.98
1 Tube of 30
Tube(s)
15 36V dc 12V dc 1 1A 1W Surface Mount SMD -40°C +105°C 95% 3.5 (Minimum)Mh ±0.6% ±0.2% 75mV Pk-Pk
RS Stock No. 416-846
Mfr. Part No.R-78HB15-0.5
BrandRecom
MYR60.55
Each
units
20 72V dc 15V dc 1 500mA 7.5W Through Hole SIP -40°C +85°C 91% 7395000h ±0.6% ±1% 20mV Pk-Pk
RS Stock No. 122-7220
Mfr. Part No.SR10S2V5
BrandXP Power
MYR30.72
Each
units
4.75 18V dc 2.5V dc 1 1A 2.5W Through Hole SIP -40°C +60°C 87% 4.5Mh ±0.6% ±0.5% 60mV Pk-Pk
RS Stock No. 827-5577
Mfr. Part No.TSR 1-2425SM
BrandTRACOPOWER
MYR43.42
Each
units
4.6 36V dc 2.5V dc 1 1A - Through Hole TO-220 -40°C +85°C 75 % @ Vin max, 87 % @ Vin min >5350000h 0.6% 0.2% 50 (1.2 6.5 VDC Models) mV, 75 (9 15 VDC Models) mV
New
RS Stock No. 190-7989
Mfr. Part No.MAX756CSA+
MYR27.60
Each (In a Pack of 2)
units
2.5V dc 4.8 5.2V dc 1 - - Surface Mount - 0°C +70°C 87% - - - -
RS Stock No. 166-5660
Mfr. Part No.TSRN 1-2418
BrandTRACOPOWER
MYR53.50
1 Tube of 10
Tube(s)
4.6 32 V dc, 4.6 42 V dc ±1.8V dc 1 1 A, 600 mA - Through Hole SIP -40°C +85°C 67 %, 70 % 6000000h ±0.4% ±0.2% 50mV Pk-Pk
RS Stock No. 798-7856
Mfr. Part No.MAX634CSA+
MYR25.60
Each
units
2.3 16.5V -14.3V 1 0.15A - Surface Mount SOIC 0°C 70°C 80% - 0.5% 3% -
RS Stock No. 139-2820
Mfr. Part No.R-78B3.3-2.0
BrandRecom
MYR46.09
1 Tube of 42
Tube(s)
4.75 32V dc 3.3V dc 1 2A 6.6W Through Hole SIP 3 -40°C +70°C 92% 6349000h ±1% ±0.5% 50mV Pk-Pk
RS Stock No. 173-6929
Mfr. Part No.OKI-78SR-5/1.5-W36E-C
MYR29.518
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. 178-3460
Mfr. Part No.STS1005S1V2
BrandXP Power
MYR1,023.25
1 Tube of 30
Tube(s)
3 5.5V dc 1.2V dc 1 1A 1W Surface Mount SMD -40°C +105°C 90.5% 3.5 (Minimum)Mh ±0.6% ±0.2% 75mV Pk-Pk
RS Stock No. 139-2822
Mfr. Part No.R-78B12-2.0
BrandRecom
MYR46.09
1 Tube of 42
Tube(s)
15 32V dc 12V dc 1 2A 24W Through Hole SIP 3 -40°C +70°C 96% 6349000h ±1% ±0.5% 75mV Pk-Pk
RS Stock No. 166-5662
Mfr. Part No.TSRN 1-2425
BrandTRACOPOWER
MYR53.50
1 Tube of 10
Tube(s)
4.6 32 V dc, 4.6 42 V dc ±2.5V dc 1 1 A, 600 mA - Through Hole SIP -40°C +85°C 74 %, 75 % 6000000h ±0.4% ±0.2% 50mV Pk-Pk
RS Stock No. 755-3403
Mfr. Part No.TSRN 1-2433
BrandTRACOPOWER
MYR76.76
Each
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
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