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. 666-4388
Mfr. Part No.TSR 1-24150
BrandTRACOPOWER
HK$74.91
Each
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
RS Stock No. 876-2472
Mfr. Part No.TSR 0.5-2425SM
BrandTRACOPOWER
HK$71.94
Each
units
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 Stock No. 166-6065
Mfr. Part No.TSR 0.5-2425SM
BrandTRACOPOWER
HK$664.90
1 Tube of 10
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 Stock No. 122-4617
Mfr. Part No.STR05S3V3
BrandXP Power
HK$63.40
Each
units
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 Stock No. 416-846
Mfr. Part No.R-78HB15-0.5
BrandRecom
HK$122.64
Each
units
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 Stock No. 166-9086
Mfr. Part No.R-7812-0.5
BrandRecom
HK$2,613.34
1 Tube of 42
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 Stock No. 166-8919
Mfr. Part No.R-78HB6.5-0.5
BrandRecom
HK$4,527.16
1 Tube of 42
Tube(s)
9 → 72V dc 6.5V dc 1 500mA - Through Hole SIP -40°C +85°C 84% - ±0.6% ±1% -
RS Stock No. 672-7158
Mfr. Part No.R-78B3.3-1.5L
BrandRecom
HK$100.56
Each
units
4.75 → 18V dc 3.3V dc 1 1.5A - Through Hole SIP -40°C +85°C 88% - ±0.6% ±0.4% -
New
RS Stock No. 203-3395
Mfr. Part No.L6986H3V3TR
HK$12.669
Each (On a Reel of 2500)
units
- - - - - - - - - - - - - -
RS Stock No. 190-7864
Mfr. Part No.MAX15062AATA+T
HK$19.828
Each (In a Pack of 5)
units
4.5 → 60V dc 4.75 → 5.25V dc 1 300mA - Surface Mount - -40°C +125°C 92% - 0.936V dc - -
RS Stock No. 193-4000
BrandRS PRO
HK$32.18
Each
units
16 → 36V dc 12V dc 1 1A - PCB Mount - -40°C +85°C 95/92% 2000 (Minimum)kh ±0.6% ±0.4% 75mV Pk-Pk
RS Stock No. 178-3483
Mfr. Part No.STS1024S1V2
BrandXP Power
HK$62.92
Each
units
4.6 → 36V dc 1.2V dc 1 1A 1W Surface Mount SMD -40°C +105°C 87% 3.5 (Minimum)Mh ±0.6% ±0.2% 75mV Pk-Pk
RS Stock No. 167-2764
Mfr. Part No.SR05S05
BrandXP Power
HK$2,248.29
1 Tube of 40
Tube(s)
6.5 → 34V dc 5V dc 1 500mA 2.5W Through Hole SIP -40°C +85°C 94% >4.5Mh ±0.6% ±0.5% 60mV Pk-Pk
RS Stock No. 906-8462
Mfr. Part No.TSR 2-2415
BrandTRACOPOWER
HK$112.10
Each
units
4.6 → 36V dc 1.5V dc 1 2A - Through Hole SIP -40°C +85°C 79% 13520000h Maximum of 1% Maximum of 0.5% 50mV Pk-Pk
RS Stock No. 755-3431
Mfr. Part No.TSRN 1-2465A
BrandTRACOPOWER
HK$107.31
Each
units
8 → 29 V dc, 8 → 42 V dc ±6.5V dc 1 1 A, 300 mA - Through Hole SIP -40°C +85°C 80 %, 86 % 6000000h ±0.4% ±0.2% 50mV Pk-Pk
RS Stock No. 166-6147
Mfr. Part No.TSR 2-2412
BrandTRACOPOWER
HK$1,036.79
1 Tube of 10
Tube(s)
4.6 → 36V dc 1.2V dc 1 2A - Through Hole SIP -40°C +85°C 84% 13520000h Maximum of 1% Maximum of 0.5% 50mV Pk-Pk
RS Stock No. 876-2497
Mfr. Part No.TSR 0.5-2490SM
BrandTRACOPOWER
HK$68.98
Each
units
11 → 32V dc 9V dc 1 500mA - Surface Mount SIP -40°C +90°C 92 % @ 32 V dc, 96 % @ Vin min >2000000h 0.4% 0.2% 40mV Pk-Pk
RS Stock No. 166-8990
Mfr. Part No.R-786.5-0.5
BrandRecom
HK$2,613.34
1 Tube of 42
Tube(s)
8 → 32V dc 6.5V dc 1 500mA 2.5W Through Hole SIP -40°C +85°C 88% 21098000h ±0.6% ±0.4% 20mV Pk-Pk
RS Stock No. 193-4009
BrandRS PRO
HK$1,626.10
1 Tube of 43
Tube(s)
16 → 36V dc 12V dc 1 1A - PCB Mount - -40°C +85°C 95/92% 2000 (Minimum)kh ±0.6% ±0.4% 75mV Pk-Pk
RS Stock No. 174-4725
Mfr. Part No.SRH05S12
BrandXP Power
HK$70.39
Each
units
17 → 72V dc 12V dc 1 500mA - Through Hole SIP -40°C +85°C 89 %, 94 % 4.5Mh 0.6% 1% 75mV Pk-Pk
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