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. 672-7082
Mfr. Part No.R-6212P
BrandRecom
HK$160.14
Each
units
14 → 32V dc 12V dc 1 2A 18W Through Hole SIP -40°C +85°C 93% - ±1% ±0.5% -
RS Stock No. 166-5662
Mfr. Part No.TSRN 1-2425
BrandTRACOPOWER
HK$974.72
1 Tube of 10
Tube(s)
4.6 → 32 V dc, 4.6 → 42 V dc ±2.5V dc 1 1 A, 600 mA - Through Hole SIP -40°C +85°C 74 %, 75 % 6000000h ±0.4% ±0.2% 50mV Pk-Pk
RS Stock No. 161-6750
Mfr. Part No.TSR 0.5-2418
BrandTRACOPOWER
HK$520.69
1 Tube of 10
Tube(s)
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
RS Stock No. 166-6051
Mfr. Part No.TSR 1-0525SM
BrandTRACOPOWER
HK$828.74
1 Tube of 10
Tube(s)
36V dc 2.5V dc 1 1A - Through Hole TO-220 -40°C +85°C 96% >5350000h 0.6% 0.2% 50 (1.2 to 6.5 VDC Models) mV, 75 (9 to 15 VDC Models) mV
RS Stock No. 190-8119
Mfr. Part No.MAX1678EUA+
HK$29.88
Each (In a Pack of 2)
units
5.5V dc 3.16 → 3.44V dc 1 90mA - Surface Mount - -40°C +85°C 90% - - - -
RS Stock No. 672-7095
Mfr. Part No.R-78HB5.0-0.5L
BrandRecom
HK$109.38
Each
units
9 → 72V dc 5V dc 1 500mA 2.5W Through Hole SIP -40°C +85°C 81% 7395000h ±0.6% ±1% 20mV Pk-Pk
New
RS Stock No. 193-3965
BrandRS PRO
HK$1,496.68
1 Tray of 100
Tray(s)
4.75 → 36V dc 3.3V dc 1 500mA - PCB Mount - -40°C +85°C 86/80% 2000 (Minimum)kh ±0.6 (Typ.)% ±0.4% 75mV Pk-Pk
RS Stock No. 810-3766
Mfr. Part No.ST1S31PUR
HK$13.26
Each (On a Tape of 5)
units
2.8 → 5.5V dc 0.8 → 5.5V dc 1 3A 1.5W Surface Mount VFDFPN -40°C +150°C - - 0.6% 0.3% -
RS Stock No. 190-8014
Mfr. Part No.MAX860ESA+
HK$20.888
Each (In a Pack of 5)
units
1.5 → 5.5V dc 2.5 → 5.5V dc 1 100mA - Surface Mount - -40°C +85°C 99.9 (Typ.)% - - - -
RS Stock No. 672-7091
Mfr. Part No.R-78HB3.3-0.5L
BrandRecom
HK$112.63
Each
units
9 → 72V dc 3.3V dc 1 500mA - Through Hole SIP -40°C +85°C 76% - ±0.6% ±1% -
RS Stock No. 161-8867
Mfr. Part No.STR05S1V8
BrandXP Power
HK$535.51
1 Tube of 10
Tube(s)
4.75 → 32V dc 1.8V dc 1 500mA 0.9W Surface Mount SMD -40°C +100°C 71% 2Mh ±0.6% ±0.4% 30mV Pk-Pk
RS Stock No. 166-5635
Mfr. Part No.TSRN 1-2490A
BrandTRACOPOWER
HK$974.72
1 Tube of 10
Tube(s)
10.5 → 27 V dc, 10.5 → 42 V dc ±9V dc 1 1 A, 300 mA - Through Hole SIP -40°C +85°C 82 %, 88 % 6000000h ±0.4% ±0.2% 75mV Pk-Pk
RS Stock No. 190-4527
Mfr. Part No.MAX669EUB+
HK$36.316
Each (In a Tube of 50)
units
1.8 → 28V dc 4.5 → 5.5V dc 1 20mA - Surface Mount - -40°C +85°C 90% - - 0.012% -
RS Stock No. 166-6632
Mfr. Part No.R-78E3.3-1.0
BrandRecom
HK$1,211.73
1 Tube of 42
Tube(s)
7 → 28V dc 3.3V dc 1 1A - Through Hole SIP -40°C +85°C 87% 3875000h ±1.5% ±1% 120mV Pk-Pk
RS Stock No. 166-5668
Mfr. Part No.TSRN 1-2465A
BrandTRACOPOWER
HK$974.72
1 Tube of 10
Tube(s)
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
New
RS Stock No. 193-3975
BrandRS PRO
HK$794.09
1 Tube of 43
Tube(s)
6.5 → 36V dc 5V dc 1 500mA - PCB Mount - -40°C +85°C 90/84% 2000 (Minimum)kh ±0.6 (Typ.)% ±0.4% 75mV Pk-Pk
RS Stock No. 166-8964
Mfr. Part No.R-78HB9.0-0.5
BrandRecom
HK$4,996.57
1 Tube of 42
Tube(s)
14 → 72V dc 9V dc 1 500mA - Through Hole SIP -40°C +85°C 86% - ±0.6% ±1% -
RS Stock No. 166-6143
Mfr. Part No.TSR 0.5-2433SM
BrandTRACOPOWER
HK$612.65
1 Tube of 10
Tube(s)
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. 178-3480
Mfr. Part No.STS1024S12
BrandXP Power
HK$71.95
Each
units
15 → 36V dc 12V dc 1 1A 1W Surface Mount SMD -40°C +105°C 95% 3.5 (Minimum)Mh ±0.6% ±0.2% 75mV Pk-Pk
RS Stock No. 545-7827
Mfr. Part No.PTN78000WAZ
HK$129.74
Each
units
- - 1 - - Through Hole - - - - - - - -
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