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. 174-4720
Mfr. Part No.SRH05S09
BrandXP Power
MYR38.36
Each
units
14 → 72V dc 9V dc 1 500mA - Through Hole SIP -40°C +85°C 86 %, 92 % 4.5Mh 0.6% 1% 75mV Pk-Pk
RS Stock No. 166-6142
Mfr. Part No.TSR 0.5-2415
BrandTRACOPOWER
MYR24.803
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. 174-4725
Mfr. Part No.SRH05S12
BrandXP Power
MYR38.36
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
RS Stock No. 178-3465
Mfr. Part No.STS1024S09
BrandXP Power
MYR1,023.25
1 Tube of 30
Tube(s)
12 → 36V dc 9V dc 1 1A 1W Surface Mount SMD -40°C +105°C 95.5% 3.5 (Minimum)Mh ±0.6% ±0.2% 75mV Pk-Pk
RS Stock No. 416-884
Mfr. Part No.R-78HB6.5-0.5
BrandRecom
MYR60.55
Each
units
9 → 72V dc 6.5V dc 1 500mA - Through Hole SIP -40°C +85°C 84% - ±0.6% ±1% -
RS Stock No. 184-6587
Mfr. Part No.R-78S1.8-0.1
BrandRecom
MYR26.00
Each
units
0.65 → 1.3V dc 1.8V dc 1 100mA - Through Hole SIP -40°C +100°C 93% 6963 x 10^3 h, 89365 x 10^3 h ±1% ±0.3% 100mV Pk-Pk
New
RS Stock No. 190-8152
Mfr. Part No.MAX1697UEUT+T
MYR13.46
Each (In a Pack of 5)
units
1.25 → 5.5V dc -0.3 → 0.3V dc 1 90mA - Surface Mount - -40°C +85°C 99.9 (Typ.)% - - - -
RS Stock No. 166-6620
Mfr. Part No.R-78AA2.5-0.5SMD
BrandRecom
MYR39.005
Each (In a Tube of 33)
units
4.75 → 32V dc 2.5V dc 1 500mA - Surface Mount DIP -40°C +85°C 87% 29253000h 0.7% 0.2% 20mV Pk-Pk
RS Stock No. 178-3475
Mfr. Part No.STS1005S1V5
BrandXP Power
MYR42.80
Each
units
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 Stock No. 161-9891
Mfr. Part No.TSR 1-2418SM
BrandTRACOPOWER
MYR33.149
Each (In a Tube of 10)
units
4.6 → 36V dc 1.8V dc 1 1A - Through Hole TO-220 -40°C +85°C 69 % @ Vin max, 82 % @ Vin min >5350000h 0.6% 0.2% 50 (1.2 to 6.5 VDC Models) mV, 75 (9 to 15 VDC Models) mV
RS Stock No. 122-7218
Mfr. Part No.SR05S7V2
BrandXP Power
MYR40.33
Each
units
9 → 34V dc 7.2V dc 1 500mA 3.6W Through Hole SIP -40°C +85°C 95% 4.5Mh ±0.6% ±0.5% 60mV Pk-Pk
RS Stock No. 178-3483
Mfr. Part No.STS1024S1V2
BrandXP Power
MYR42.80
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. 798-5125
Mfr. Part No.MAX634CSA+
MYR18.36
Each (In a Tube of 100)
units
2.3 → 16.5V dc -14.3V dc 1 150mA - Surface Mount SOIC 0°C +70°C 80% - 0.5% 3% -
RS Stock No. 166-8919
Mfr. Part No.R-78HB6.5-0.5
BrandRecom
MYR65.623
Each (In a Tube of 42)
units
9 → 72V dc 6.5V dc 1 500mA - Through Hole SIP -40°C +85°C 84% - ±0.6% ±1% -
RS Stock No. 917-6620
Mfr. Part No.R-78HB12-0.5/W
BrandRecom
MYR71.82
Each
units
17 → 72V dc 12V dc 1 500mA - Through Hole SIP -40°C +85°C 94% 7395000h 0.6% 1% 60mV Pk-Pk
RS Stock No. 755-3400
Mfr. Part No.TSRN 1-2425
BrandTRACOPOWER
MYR75.58
Each
units
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
New
RS Stock No. 190-7984
Mfr. Part No.MAX853ESA+
MYR25.65
Each (In a Pack of 2)
units
5 → 10V dc -4.2 → -4V dc 1 5mA - Surface Mount - -40°C +85°C - - - - -
RS Stock No. 186-1408
Mfr. Part No.NCP4306AADZZZAMN1TBG
MYR4.64
Each (In a Pack of 10)
units
35 (Maximum)V dc - 1 2 (Source) A, 7 (Sink) A - Surface Mount DFN (CASE 506BP) -40°C +125°C - - - - -
RS Stock No. 139-2976
Mfr. Part No.R-78B15-2.0
BrandRecom
MYR57.53
Each
units
18 → 32V dc 15V dc 1 2A 30W Through Hole SIP 3 -40°C +70°C 96% 6349000h ±1% ±0.5% 75mV Pk-Pk
RS Stock No. 162-2714
Mfr. Part No.R-745.0P
BrandRecom
MYR95.935
Each (In a Tube of 15)
units
6.5 → 28V dc 3 → 5.5V dc 1 2A 1.4W Through Hole SIP -40°C +85°C 91% 749 x 10³ (+25 °C)h 1% 1% 70mV Pk-Pk
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