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
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RS庫存編號 190-8198
製造零件編號MAX1831EEE+
HK$151.96
單位
3 5.5V dc 3.28 3.38V dc 1 3A - Surface Mount - -40°C +85°C 94% - 2mV - -
RS庫存編號 173-6920
製造零件編號OKI-78SR-12/1.0-W36-C
HK$13,299.29
毎卷:360 個
Reel(s)
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庫存編號 828-9276
製造零件編號R-746.5P
BrandRecom
HK$243.63
單位
8.5 28V dc 5 7.5V dc 1 5.5A 1.4W Through Hole SIP -40°C +85°C 93% 749 x 10³ (+25 °C)h 1% 1% 70mV Pk-Pk
RS庫存編號 161-9073
製造零件編號TR05S12
BrandXP Power
HK$28.006
毎管:40 個
Tube(s)
14 28V dc 12V dc 1 500mA 6W Through Hole SIP -40°C +85°C 94% >4Mh ±0.8% ±0.5% 60mV Pk-Pk
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RS庫存編號 190-4509
製造零件編號MAX17545ATP+
HK$17.482
毎管:75 個
單位
4.5 42V dc 4.75 5.25V dc 1 4.5A - Surface Mount - -40°C +125°C 90% - - - -
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RS庫存編號 193-4042
BrandRS PRO
HK$3,133.37
毎管:44 個
Tube(s)
8 36V dc 5V dc 1 2A - PCB Mount - -40°C +85°C 92/89% 2000 (Minimum)kh ±1.5% ±0.8% 75mV Pk-Pk
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RS庫存編號 190-4473
製造零件編號MAX15005AAUE+
HK$17.483
毎管:96 個
單位
4.5 40V dc 7.15 7.6V dc 1 100mA - Surface Mount - -40°C +125°C - - - - -
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RS庫存編號 190-8002
製造零件編號MAX770ESA+
HK$66.265
/個 (每包:2個)
單位
2 16.5V dc 14.4 15.6V dc 1 - 15W Surface Mount - -40°C +85°C 90% - - - -
RS庫存編號 174-4664
製造零件編號SRH05S6V5
BrandXP Power
HK$65.88
毎管:40 個
Tube(s)
9 72V dc 6.5V dc 1 500mA - Through Hole SIP -40°C +85°C 83 %, 91 % 4.5Mh 0.6% 1% 75mV Pk-Pk
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RS庫存編號 190-8230
製造零件編號MAX639ESA+
HK$53.735
/個 (每包:2個)
單位
4 11.5V dc 4.8 5.2V dc 1 225mA - Surface Mount - -40°C +85°C 94 (Typ.)% - - - -
RS庫存編號 166-8978
製造零件編號R-78E12-0.5
BrandRecom
HK$27.314
毎管:42 個
Tube(s)
15 28V dc 12V dc 1 500mA - Through Hole TO-220 -40°C +85°C 95% 2182000 (+85 °C)h ±1% ±0.5% 70mV Pk-Pk
RS庫存編號 178-3461
製造零件編號STS1005S1V5
BrandXP Power
HK$2,036.09
毎管:30 個
Tube(s)
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庫存編號 672-7142
製造零件編號R-78B12-1.0L
BrandRecom
HK$91.30
單位
32V dc 12V dc 1 1A - Through Hole SIP -40°C +85°C 96% 6584000h 0.25% 0.1% 25mV Pk-Pk
RS庫存編號 145-6208
HK$47.642
毎管:100 個
單位
- - - - - - - - - - - - - -
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RS庫存編號 190-7874
製造零件編號MAX15062BATA+T
HK$24.622
/個 (每包:5個)
單位
4.5 60V dc 4.75 5.25V dc 1 300mA - Surface Mount - -40°C +125°C 92% - 0.936V dc - -
RS庫存編號 166-6056
製造零件編號TSR 1-2433SM
BrandTRACOPOWER
HK$73.93
毎管:10 個
Tube(s)
4.75 36V dc 3.3V dc 1 1A - Through Hole TO-220 -40°C +85°C 78 % @ Vin max, 91 % @ Vin min >5350000h 0.6% 0.2% 50 (1.2 to 6.5 VDC Models) mV, 75 (9 to 15 VDC Models) mV
RS庫存編號 178-3460
製造零件編號STS1005S1V2
BrandXP Power
HK$1,926.93
毎管:30 個
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
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RS庫存編號 190-4488
製造零件編號MAX1678EUA+
HK$24.007
毎管:50 個
單位
5.5V dc 3.16 3.44V dc 1 90mA - Surface Mount - -40°C +85°C 90% - - - -
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RS庫存編號 190-4519
製造零件編號MAX5033BUSA+
HK$17.482
毎管:100 個
單位
7.5 76V dc 5.15V dc 1 500mA - Surface Mount - 0°C +85°C 94 (Typ.)% - - - -
RS庫存編號 817-9393
製造零件編號TSR 0.5-2418
BrandTRACOPOWER
HK$55.25
單位
4.75 32V dc 1.8V dc 1 500mA - Through Hole SIP 3 -40°C +90°C 82% 2000000h ±0.6% ±0.4% 30mV Pk-Pk