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庫存編號 532-8050
製造零件編號R-785.0-0.5
BrandRecom
HK$61.62
單位
6.5 → 32V dc 5V dc 1 500mA 2.5W Through Hole SIP -40°C +85°C 94% 21098000h ±0.6% ±0.4% 20mV Pk-Pk
RS庫存編號 166-9045
製造零件編號R-78HB15-0.5
BrandRecom
HK$4,996.57
毎管:42 個
Tube(s)
20 → 72V dc 15V dc 1 500mA 7.5W Through Hole SIP -40°C +85°C 91% 7395000h ±0.6% ±1% 20mV Pk-Pk
RS庫存編號 167-1973
製造零件編號STR05S3V3
BrandXP Power
HK$687.74
毎管:10 個
Tube(s)
4.75 → 32V dc 3.3V dc 1 500mA 1.65W Surface Mount SMD -40°C +100°C 81% 2Mh ±0.6% ±0.4% 30mV Pk-Pk
RS庫存編號 672-7102
製造零件編號R-78HB12-0.5L
BrandRecom
HK$119.04
單位
17 → 72V dc 12V dc 1 500mA 6W Through Hole SIP -40°C +85°C 89% 7395000h ±0.6% ±1% 20mV Pk-Pk
RS庫存編號 145-9233
製造零件編號L7985A
HK$15.20
毎管:100 個
單位
4.5 → 38V dc 0.6 → 38V dc 1 2A 2W Surface Mount HSOP -40°C +150°C - - - - -
RS庫存編號 122-4617
製造零件編號STR05S3V3
BrandXP Power
HK$63.40
單位
4.75 → 32V dc 3.3V dc 1 500mA 1.65W Surface Mount SMD -40°C +100°C 81% 2Mh ±0.6% ±0.4% 30mV Pk-Pk
RS庫存編號 876-2472
製造零件編號TSR 0.5-2425SM
BrandTRACOPOWER
HK$71.94
單位
4.75 → 32V dc 2.5V dc 1 500mA - Surface Mount SIP -40°C +90°C 77 % @ 32 V dc, 87 % @ Vin min >2000000h 0.6% 0.4% 30mV Pk-Pk
RS庫存編號 163-467
製造零件編號R-78B9.0-1.0
BrandRecom
HK$86.44
單位
32V dc 9V dc 1 1A 9W Through Hole SIP -40°C +85°C 95% 6584000h 0.1% 0.25% 25mV Pk-Pk
RS庫存編號 416-846
製造零件編號R-78HB15-0.5
BrandRecom
HK$122.64
單位
20 → 72V dc 15V dc 1 500mA 7.5W Through Hole SIP -40°C +85°C 91% 7395000h ±0.6% ±1% 20mV Pk-Pk
RS庫存編號 166-6065
製造零件編號TSR 0.5-2425SM
BrandTRACOPOWER
HK$664.90
毎管:10 個
Tube(s)
4.75 → 32V dc 2.5V dc 1 500mA - Surface Mount SIP -40°C +90°C 77 % @ 32 V dc, 87 % @ Vin min >2000000h 0.6% 0.4% 30mV Pk-Pk
RS庫存編號 166-8986
製造零件編號R-78HB12-0.5L
BrandRecom
HK$5,189.68
毎管:42 個
Tube(s)
17 → 72V dc 12V dc 1 500mA 6W Through Hole SIP -40°C +85°C 89% 7395000h ±0.6% ±1% 20mV Pk-Pk
RS庫存編號 466-7584
製造零件編號PSB246-2IRG
HK$1,628.14
單位
29 → 60V dc 24V dc 1 6A 144W Screw Mount - -10°C +50°C - - - - -
RS庫存編號 166-9086
製造零件編號R-7812-0.5
BrandRecom
HK$2,795.18
毎管:42 個
Tube(s)
15 → 32V dc 12V dc 1 500mA 2.5W Through Hole SIP -40°C +85°C 97% 21098000h ±0.4% ±0.2% 25mV Pk-Pk
RS庫存編號 124-7659
製造零件編號TSR 1-24150
BrandTRACOPOWER
HK$702.19
毎管:10 個
Tube(s)
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
RS庫存編號 532-8072
製造零件編號R-7812-0.5
BrandRecom
HK$67.78
單位
15 → 32V dc 12V dc 1 500mA 2.5W Through Hole SIP -40°C +85°C 97% 21098000h ±0.4% ±0.2% 25mV Pk-Pk
RS庫存編號 166-8919
製造零件編號R-78HB6.5-0.5
BrandRecom
HK$4,996.57
毎管:42 個
Tube(s)
9 → 72V dc 6.5V dc 1 500mA - Through Hole SIP -40°C +85°C 84% - ±0.6% ±1% -
RS庫存編號 672-7085
製造零件編號R-725.0P
BrandRecom
HK$200.34
單位
6.5 → 28V dc 5V dc 1 2A 10W Through Hole SIP -40°C +85°C 95% - 0.5% 0.5% 30mV Pk-Pk
RS庫存編號 167-5930
製造零件編號OKI-78SR-3.3/1.5-W36-C
HK$11,646.00
1 Tray of 360 Pack(s)
Tray(s)
- 3.3V dc 1 1.5A 4.95W Through Hole SIP -40°C +85°C 85.5% 78721000h ±0.25% ±0.25% 40mV Pk-Pk
RS庫存編號 166-8772
製造零件編號R-725.0P
BrandRecom
HK$3,165.53
毎管:15 個
Tube(s)
6.5 → 28V dc 5V dc 1 2A 10W Through Hole SIP -40°C +85°C 95% - 0.5% 0.5% 30mV Pk-Pk
RS庫存編號 166-8983
製造零件編號R-783.3-0.5
BrandRecom
HK$2,539.32
毎管:42 個
Tube(s)
4.75 → 32V dc 3.3V dc 1 500mA 2.5W Through Hole SIP -40°C +85°C 91% 21098000h ±0.6% ±0.4% 20mV Pk-Pk