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. 166-8989
Mfr. Part No.R-783.3-1.0
BrandRecom
MYR35.626
Each (In a Tube of 42)
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. 876-2481
Mfr. Part No.TSR 0.5-2433SM
BrandTRACOPOWER
MYR36.62
Each
units
4.75 → 32V dc 3.3V dc 1 500mA - Surface Mount SIP -40°C +90°C 81 % @ 32 V dc, 91 % @ Vin min >2000000h 0.6% 0.4% 30mV Pk-Pk
RS Stock No. 122-4618
Mfr. Part No.STR05S6V5
BrandXP Power
MYR34.47
Each
units
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
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. 186-1303
Mfr. Part No.NCP3231BMNTXG
MYR7.488
Each (On a Reel of 2500)
units
4.5 → 18V dc 0.6 → 5.45V dc 1 25A - Surface Mount - -40°C +150°C - - - - -
RS Stock No. 173-6923
Mfr. Part No.OKI-78SR-12/1.0-W36HE-C
MYR29.518
Each (In a Box of 126)
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. 124-7659
Mfr. Part No.TSR 1-24150
BrandTRACOPOWER
MYR32.088
Each (In a Tube of 10)
units
18 → 36V dc 15V dc 1 1A 15W Through Hole SIP 3 -40°C +85°C 96 → 94% 5350000h ±0.4% ±0.2% 75mV Pk-Pk
New
RS Stock No. 190-4510
Mfr. Part No.MAX17552AUB+
BrandMaxim
MYR6.724
Each (In a Tube of 50)
units
4 → 60V dc 0.8 → 0.9V dc 1 100mA - Surface Mount - -40°C +125°C 90% - - - -
New
RS Stock No. 190-4497
Mfr. Part No.MAX1697UEUT+T
BrandMaxim
MYR5.705
Each (On a Reel of 2500)
units
1.25 → 5.5V dc -0.3 → 0.3V dc 1 90mA - Surface Mount - -40°C +85°C 99.9 (Typ.)% - - - -
RS Stock No. 174-4668
Mfr. Part No.SRH05S15
BrandXP Power
MYR38.36
Each
units
21 → 72V dc 15V dc 1 400mA - Through Hole SIP -40°C +85°C 89 %, 95 % 4.5Mh 0.6% 1% 75mV Pk-Pk
RS Stock No. 919-9342
Mfr. Part No.LT4430ES6#TRMPBF
MYR12.293
Each (On a Reel of 500)
units
3 → 20V dc 600mV 1 10mA - Surface Mount TSOT -40°C +125°C - - - 0.1% -
RS Stock No. 167-2746
Mfr. Part No.SR05S6V5
BrandXP Power
MYR35.257
Each (In a Tube of 40)
units
8 → 34V dc 6.5V dc 1 500mA 3.25W Through Hole SIP -40°C +85°C 95% >4.5Mh ±0.6% ±0.5% 60mV Pk-Pk
RS Stock No. 168-7852
Mfr. Part No.ST1S32PUR
MYR4.856
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. 906-8478
Mfr. Part No.TSR 2-2433
BrandTRACOPOWER
MYR60.36
Each
units
4.75 → 36V dc 3.3V dc 1 2A - Through Hole SIP -40°C +85°C 91% 13520000h Maximum of 1% Maximum of 0.5% 50mV Pk-Pk
RS Stock No. 178-3472
Mfr. Part No.STS1024S3V3
BrandXP Power
MYR1,023.25
1 Tube of 30
Tube(s)
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
New
RS Stock No. 190-4509
Mfr. Part No.MAX17545ATP+
BrandMaxim
MYR9.269
Each (In a Tube of 75)
units
4.5 → 42V dc 4.75 → 5.25V dc 1 4.5A - Surface Mount - -40°C +125°C 90% - - - -
RS Stock No. 166-8988
Mfr. Part No.R-781.8-1.0
BrandRecom
MYR35.626
Each (In a Tube of 42)
units
4.75 → 18V dc 1.8V dc 1 1A 1.8W Through Hole SIP -40°C +85°C 82% 13338000h 0.4% 0.2% 20mV Pk-Pk
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