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. 755-3429
Mfr. Part No.TSRN 1-2433A
BrandTRACOPOWER
HK$134.38
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
RS Stock No. 755-3447
Mfr. Part No.TSRN 1-2433SM
BrandTRACOPOWER
HK$123.87
Each
units
4.6 → 32 V dc, 4.6 → 42 V dc ±3.3V dc 1 1 A, 600 mA - Surface Mount SMD -40°C +85°C 77 %, 80 % 6000000h ±0.6% ±0.2% 50mV Pk-Pk
RS Stock No. 166-6132
Mfr. Part No.TSN 1-2452
BrandTRACOPOWER
HK$108.897
Each (In a Tube of 10)
units
-7.5 → -32V dc -5.2V dc 1 -1A - Through Hole - -40°C +85°C 92% - 0.6% 1% -
RS Stock No. 923-2401
Mfr. Part No.TPS5450DDA
HK$38.399
Each (In a Tube of 75)
units
- - - - - - - - - - - - - -
RS Stock No. 122-8229
Mfr. Part No.R-78E9.0-0.5
BrandRecom
HK$29.32
Each
units
12 → 28V dc 9V dc 1 500mA - Through Hole TO-220 -40°C +85°C 94% 2182000 (+85 °C)h ±1% ±0.5% 50mV Pk-Pk
RS Stock No. 876-2488
Mfr. Part No.TSR 0.5-2465SM
BrandTRACOPOWER
HK$74.90
Each
units
8 → 32V dc 6.5V dc 1 500mA - Surface Mount SIP -40°C +90°C 88 % @ 32 V dc, 95 % @ Vin min >2000000h 0.4% 0.2% 40mV Pk-Pk
RS Stock No. 166-6142
Mfr. Part No.TSR 0.5-2415
BrandTRACOPOWER
HK$46.571
Each (In a Tube of 10)
units
4.75 → 32V dc 1.5V dc 1 500mA - Through Hole SIP 3 -40°C +90°C 73% 2000000h ±0.6% ±0.4% 30mV Pk-Pk
RS Stock No. 186-1307
Mfr. Part No.NCP4306AADZZZAMNTWG
HK$3.44
Each (On a Reel of 4000)
units
35 (Maximum)V dc - 1 2 (Source) A, 7 (Sink) A - Surface Mount DFN (CASE 488AF) -40°C +125°C - - - - -
New
RS Stock No. 190-7943
Mfr. Part No.MAX1595EUA33+
BrandMaxim
HK$34.568
Each (In a Pack of 5)
units
1.8 → 5.5V dc 4.8 → 5.2V dc 1 125µA - Surface Mount - -40°C +85°C - - - - -
RS Stock No. 672-7142
Mfr. Part No.R-78B12-1.0L
BrandRecom
HK$91.30
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. 672-7158
Mfr. Part No.R-78B3.3-1.5L
BrandRecom
HK$101.12
Each
units
4.75 → 18V dc 3.3V dc 1 1.5A - Through Hole SIP -40°C +85°C 88% - ±0.6% ±0.4% -
RS Stock No. 827-5580
Mfr. Part No.TSR 1-24120SM
BrandTRACOPOWER
HK$71.46
Each
units
15 → 36V dc 12V dc 1 1A - Through Hole TO-220 -40°C +85°C 92 % @ Vin max, 95 % @ Vin min >5350000h 0.6% 0.2% 50 (1.2 → 6.5 VDC Models) mV, 75 (9 → 15 VDC Models) mV
RS Stock No. 906-8471
Mfr. Part No.TSR 2-2418
BrandTRACOPOWER
HK$107.20
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. 817-9832
Mfr. Part No.R-78W12-0.5
BrandRecom
HK$77.36
Each
units
15 → 32V dc 12V dc 1 500mA - Through Hole SIP 3 -40°C +85°C 97% 21098000h 0.4% 0.2% 35mV Pk-Pk
RS Stock No. 666-4385
Mfr. Part No.TSR 1-24120
BrandTRACOPOWER
HK$63.47
Each
units
15 → 36V dc 12V dc 1 1A 12W Through Hole SIP 3 -40°C +85°C 95 → 91% 5350000h ±0.4% ±0.2% 75mV Pk-Pk
RS Stock No. 166-8964
Mfr. Part No.R-78HB9.0-0.5
BrandRecom
HK$122.911
Each (In a Tube of 42)
units
14 → 72V dc 9V dc 1 500mA - Through Hole SIP -40°C +85°C 86% - ±0.6% ±1% -
RS Stock No. 833-7555
Mfr. Part No.PSC248-7IR
HK$4,850.20
Each
units
29 → 80V dc 24.14V dc 1 8A 192W Chassis Mount, Wall Mount C03 -25°C +71°C 95% 2800000h 160mV 220mV 155mV Pk-Pk
RS Stock No. 817-9410
Mfr. Part No.TSR 0.5-24150
BrandTRACOPOWER
HK$54.77
Each
units
18 → 32V dc 15V dc 1 500mA - Through Hole SIP 3 -40°C +90°C 97% 2000000h ±0.4% ±0.2% 40mV Pk-Pk
RS Stock No. 739-8304
Mfr. Part No.R-78C12-1.0
BrandRecom
HK$72.33
Each
units
15 → 42V dc 12V dc 1 1A 12W Through Hole SIP 3 -40°C +85°C 92% 3880000h ±0.4% ±0.2% 100mV Pk-Pk
New
RS Stock No. 190-4484
Mfr. Part No.MAX1595EUA33+
BrandMaxim
HK$20.068
Each (In a Tube of 50)
units
1.8 → 5.5V dc 4.8 → 5.2V dc 1 125µA - Surface Mount - -40°C +85°C - - - - -
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