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. 672-7142
Mfr. Part No.R-78B12-1.0L
BrandRecom
MYR46.27
Each
units
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. 184-6587
Mfr. Part No.R-78S1.8-0.1
BrandRecom
MYR26.00
Each
units
0.65 → 1.3V dc 1.8V dc 1 100mA - Through Hole SIP -40°C +100°C 93% 6963 x 10^3 h, 89365 x 10^3 h ±1% ±0.3% 100mV Pk-Pk
RS Stock No. 166-6676
Mfr. Part No.R-78B15-1.0L
BrandRecom
MYR48.793
Each (In a Tube of 42)
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. 178-3463
Mfr. Part No.STS1005S2V5
BrandXP Power
MYR1,023.25
1 Tube of 30
Tube(s)
3.8 → 5.5V dc 2.5V dc 1 1A 1W Surface Mount SMD -40°C +105°C 94.5% 3.5 (Minimum)Mh ±0.6% ±0.2% 75mV Pk-Pk
RS Stock No. 166-6624
Mfr. Part No.R-78AA9.0-0.5SMD
BrandRecom
MYR42.442
Each (In a Tube of 33)
units
11 → 32V dc 9V dc 1 500mA 5W Surface Mount DIP -40°C +85°C 96% 21098000h 0.7% 0.1% 30mV Pk-Pk
RS Stock No. 416-878
Mfr. Part No.R-78HB3.3-0.5
BrandRecom
MYR52.24
Each
units
9 → 72V dc 3.3V dc 1 500mA - Through Hole SIP -40°C +85°C 76% - ±0.6% ±1% -
RS Stock No. 184-6590
Mfr. Part No.R-78S3.6-0.1
BrandRecom
MYR26.00
Each
units
0.65 → 3.3V dc 3.6V dc 1 100mA - Through Hole SIP -40°C +100°C 93% 6963 x 10^3 h, 89365 x 10^3 h ±1% ±0.3% 100mV Pk-Pk
RS Stock No. 831-7031
Mfr. Part No.R-7312D
BrandRecom
MYR103.165
Each (In a Pack of 15)
units
15 → 28V dc 10 → 14V dc 1 3A - Through Hole SIP -40°C +85°C 97% 749000h 1% 1% 70mV Pk-Pk
New
RS Stock No. 188-3362
Mfr. Part No.STH0548S3V3
BrandXP Power
MYR44.50
Each
units
- - - - - - - - - - - - - -
RS Stock No. 672-7127
Mfr. Part No.R-782.5-1.0
BrandRecom
MYR34.86
Each
units
4.75 → 18V dc 2.5V dc 1 1A - Through Hole SIP -40°C +85°C 87% 13338000h 0.4% 0.2% 20mV Pk-Pk
RS Stock No. 173-6932
Mfr. Part No.OKI-78SR-5/1.5-W36HE-C
MYR29.518
Each (In a Box of 126)
units
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. 144-6013
Mfr. Part No.R-78E5.0-1.0
BrandRecom
MYR15.547
Each (In a Tube of 42)
units
8 → 28V dc 5V dc 1 1A - Through Hole SIP -40°C +85°C 91% 3875000h ±1.5% ±1% 120mV Pk-Pk
New
RS Stock No. 190-8233
Mfr. Part No.MAX640ESA+
BrandMaxim
MYR27.40
Each (In a Pack of 2)
units
4 → 11.5V dc 3.17 → 3.43V dc 1 225mA - Surface Mount - -40°C +85°C 94 (Typ.)% - - - -
RS Stock No. 166-6378
Mfr. Part No.TSR 0.5-2450SM
BrandTRACOPOWER
MYR29.213
Each (In a Tube of 10)
units
6.5 → 32V dc 5V dc 1 500mA - Surface Mount SIP -40°C +90°C 86 % @ 32 V dc, 94 % @ Vin min >2000000h 0.6% 0.4% 30mV Pk-Pk
RS Stock No. 178-3487
Mfr. Part No.STS1024S3V3
BrandXP Power
MYR42.80
Each
units
4.75 → 36V dc 3.3V dc 1 1A 1W Surface Mount SMD -40°C +105°C 94% 3.5 (Minimum)Mh ±0.6% ±0.2% 75mV Pk-Pk
RS Stock No. 788-0608
Mfr. Part No.TSN 1-2452
BrandTRACOPOWER
MYR117.53
Each
units
-7.5 → -32V dc -5.2V dc 1 -1A - Through Hole - -40°C +85°C 92% - 0.6% 1% -
RS Stock No. 166-6062
Mfr. Part No.TSR 0.5-2418SM
BrandTRACOPOWER
MYR32.897
Each (In a Tube of 10)
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. 173-7102
Mfr. Part No.OKI-78SR-12/1.0-W36-C
MYR26.52
Each
units
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. 755-3419
Mfr. Part No.TSRN 1-2490
BrandTRACOPOWER
MYR76.78
Each
units
10.5 → 32 V dc, 10.5 → 42 V dc ±9V dc 1 1 A, 300 mA - Through Hole SIP -40°C +85°C 82 %, 88 % 6000000h ±0.4% ±0.2% 75mV Pk-Pk
RS Stock No. 166-8993
Mfr. Part No.R-782.5-1.0
BrandRecom
MYR35.626
Each (In a Tube of 42)
units
4.75 → 18V dc 2.5V dc 1 1A - Through Hole SIP -40°C +85°C 87% 13338000h 0.4% 0.2% 20mV Pk-Pk
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