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. 178-3480
Mfr. Part No.STS1024S12
BrandXP Power
MYR42.80
Each
units
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
New
RS Stock No. 190-4499
Mfr. Part No.MAX1721EUT+T
MYR4.08
Each (On a Reel of 2500)
units
1.5 → 5.5V dc -0.3 → 0.3V dc 1 25mA - Surface Mount - -40°C +85°C 99.9 (Typ.)% - - - -
New
RS Stock No. 190-7778
Mfr. Part No.MAX1623EAP+
MYR76.40
Each
units
4.5 → 5.5V dc 3.29 → 3.36V dc 1 3.65A - Surface Mount - -40°C +85°C 94% - - - -
RS Stock No. 124-7703
Mfr. Part No.TSRN 1-2450SM
BrandTRACOPOWER
MYR51.585
Each (In a Tube of 10)
units
4.6 → 31 V dc, 6.5 → 42 V dc 5V dc 1 1 A, 400 mA - Surface Mount SMD -40°C +85°C 78 %, 83 % 6000000h ±0.6% ±0.2% 50mV Pk-Pk
New
RS Stock No. 190-4529
Mfr. Part No.MAX734CSA+
MYR13.382
Each (In a Tube of 100)
units
17V dc 11.64 → 12.6V dc 1 225 (Typ.)mA - Surface Mount - 0°C +70°C 85 (Typ.)% - - - -
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. 139-2823
Mfr. Part No.R-78B15-2.0
BrandRecom
MYR55.878
Each (In a Tube of 42)
units
18 → 32V dc 15V dc 1 2A 30W Through Hole SIP 3 -40°C +70°C 96% 6349000h ±1% ±0.5% 75mV Pk-Pk
RS Stock No. 166-6674
Mfr. Part No.R-78C15-1.0
BrandRecom
MYR53.295
Each (In a Tube of 42)
units
18 → 42V dc 15V dc 1 1A 15W Through Hole SIP 3 -40°C +85°C 94% 3880000h ±0.4% ±0.2% 100mV Pk-Pk
RS Stock No. 178-3475
Mfr. Part No.STS1005S1V5
BrandXP Power
MYR42.80
Each
units
3 → 5.5V dc 1.5V dc 1 1A 1W Surface Mount SMD -40°C +105°C 92% 3.5 (Minimum)Mh ±0.6% ±0.2% 75mV Pk-Pk
RS Stock No. 781-3106
Mfr. Part No.TSR 1-2412
BrandTRACOPOWER
MYR55.78
Each
units
4.6 → 36V dc 1.2V dc 1 1A - Through Hole SIP 3 -40°C +85°C 62 %, 74 % 5350000h ±0.6% ±0.2% 50mV Pk-Pk
RS Stock No. 906-8471
Mfr. Part No.TSR 2-2418
BrandTRACOPOWER
MYR62.38
Each
units
4.6 → 36V dc 1.8V dc 1 2A - Through Hole SIP -40°C +85°C 82% 13520000h Maximum of 1% Maximum of 0.5% 50mV Pk-Pk
RS Stock No. 672-7120
Mfr. Part No.R-783.3-1.0
BrandRecom
MYR35.56
Each
units
4.75 → 18V dc 3.3V dc 1 1A 3.3W Through Hole SIP -40°C +85°C 84% 13338000h ±0.6% ±0.4% 30mV Pk-Pk
RS Stock No. 178-3465
Mfr. Part No.STS1024S09
BrandXP Power
MYR1,023.25
1 Tube of 30
Tube(s)
12 → 36V dc 9V dc 1 1A 1W Surface Mount SMD -40°C +105°C 95.5% 3.5 (Minimum)Mh ±0.6% ±0.2% 75mV Pk-Pk
RS Stock No. 739-8294
Mfr. Part No.R-78C9.0-1.0
BrandRecom
MYR41.74
Each
units
12 → 42V dc 9V dc 1 1A 9W Through Hole SIP 3 -40°C +85°C 90% 3880000h ±0.4% ±0.2% 100mV Pk-Pk
RS Stock No. 166-8997
Mfr. Part No.R-78B12-1.0L
BrandRecom
MYR48.793
Each (In a Tube of 42)
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. 917-6626
Mfr. Part No.R-78E3.3-1.0
BrandRecom
MYR15.17
Each
units
7 → 28V dc 3.3V dc 1 1A - Through Hole SIP -40°C +85°C 87% 3875000h ±1.5% ±1% 120mV Pk-Pk
RS Stock No. 166-8912
Mfr. Part No.R-723.3P
BrandRecom
MYR116.558
Each (In a Tube of 15)
units
4.5 → 28V dc 3.3V dc 1 2A 11W Through Hole SIP -40°C +85°C 95% - ±1% ±1% -
New
RS Stock No. 190-8188
Mfr. Part No.MAX17502FATB+T
MYR19.26
Each (In a Pack of 5)
units
4.5 → 60V dc 11.52 → 12.48V dc 1 1A - Surface Mount - -40°C +125°C 90% - - - -
RS Stock No. 828-9270
Mfr. Part No.R-78B15-1.0L
BrandRecom
MYR45.22
Each
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
New
RS Stock No. 190-4514
Mfr. Part No.MAX1831EEE+
MYR44.978
Each (In a Tube of 100)
units
3 → 5.5V dc 3.28 → 3.38V dc 1 3A - Surface Mount - -40°C +85°C 94% - 2mV - -
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