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. 122-7217
Mfr. Part No.SR05S6V5
BrandXP Power
£5.30
Each
Units
8 → 34V dc 6.5V dc 1 500mA 3.25W Through Hole SIP -40°C +85°C 95% 4.5Mh ±0.6% ±0.5% 60mV Pk-Pk
New
RS Stock No. 190-8177
Mfr. Part No.MAX1771ESA+T
£5.11
Each (In a Pack of 2)
Units
2 → 16.5V dc 12.48V dc 1 2A - Surface Mount - -40°C +85°C 92 (Typ.)% - - - -
RS Stock No. 178-3464
Mfr. Part No.STS1024S05
BrandXP Power
£181.20
1 Tube of 30
Tube(s)
6.5 → 36V dc 5V dc 1 1A 1W Surface Mount SMD -40°C +105°C 95.5% 3.5 (Minimum)Mh ±0.6% ±0.2% 75mV Pk-Pk
New
RS Stock No. 190-7943
Mfr. Part No.MAX1595EUA33+
£2.864
Each (In a Pack of 5)
Units
1.8 → 5.5V dc 4.8 → 5.2V dc 1 125µA - Surface Mount - -40°C +85°C - - - - -
New
RS Stock No. 190-8263
Mfr. Part No.MAX734CSA+
£3.80
Each (In a Pack of 2)
Units
17V dc 11.64 → 12.6V dc 1 225 (Typ.)mA - Surface Mount - 0°C +70°C 85 (Typ.)% - - - -
New
RS Stock No. 190-8227
Mfr. Part No.MAX5035DUSA+
£3.295
Each (In a Pack of 2)
Units
7.5 → 76V dc 3.18 → 12.36V dc 1 1A - Surface Mount - 0°C +85°C 94 (Typ.)% - - - -
RS Stock No. 876-2488
Mfr. Part No.TSR 0.5-2465SM
BrandTRACOPOWER
£6.33
Each
Units
8 → 32V dc 6.5V dc 1 500mA - Surface Mount SIP -40°C +90°C 88 % @ 32 V dc, 95 % @ Vin min >2000000h 0.4% 0.2% 40mV Pk-Pk
New
RS Stock No. 190-8125
Mfr. Part No.MAX1683EUK+T
£1.504
Each (In a Pack of 5)
Units
2 → 5.5V dc 12V dc 1 45mA - Surface Mount - -40°C +85°C 99.9 (Typ.)% - - - -
RS Stock No. 167-2746
Mfr. Part No.SR05S6V5
BrandXP Power
£4.89
Each (In a Tube of 40)
Units
8 → 34V dc 6.5V dc 1 500mA 3.25W Through Hole SIP -40°C +85°C 95% >4.5Mh ±0.6% ±0.5% 60mV Pk-Pk
RS Stock No. 188-3377
Mfr. Part No.STH0548S12
BrandXP Power
£7.04
Each
Units
- - - - - - - - - - - - - -
RS Stock No. 906-8471
Mfr. Part No.TSR 2-2418
BrandTRACOPOWER
£9.80
Each
Units
4.6 → 36V dc 1.8V dc 1 2A - Through Hole SIP -40°C +85°C 82% 13520000h Maximum of 1% Maximum of 0.5% 50mV Pk-Pk
RS Stock No. 173-6927
Mfr. Part No.OKI-78SR-3.3/1.5-W36H-C
£3.09
Each (In a Box of 100)
Units
12V dc 3.3V dc 1 1.5A 4.95W Through Hole TO-220 -40°C +85°C 85.5% 78700000h ±0.4% ±0.25% 40mV Pk-Pk
New
RS Stock No. 190-7914
Mfr. Part No.ICL7662EBA+T
£4.42
Each (In a Pack of 2)
Units
4.5 → 20V dc -4.5 → -20V dc 1 - - Surface Mount - -40°C +85°C 99.9 (Typ.)% - - - -
New
RS Stock No. 190-8224
Mfr. Part No.MAX5033DASA+
£2.75
Each (In a Pack of 5)
Units
7.5 → 76V dc - - 500mA - Surface Mount - -40°C +125°C 94 (Typ.)% - - - -
RS Stock No. 827-5577
Mfr. Part No.TSR 1-2425SM
BrandTRACOPOWER
£7.94
Each
Units
4.6 → 36V dc 2.5V dc 1 1A - Through Hole TO-220 -40°C +85°C 75 % @ Vin max, 87 % @ Vin min >5350000h 0.6% 0.2% 50 (1.2 → 6.5 VDC Models) mV, 75 (9 → 15 VDC Models) mV
RS Stock No. 188-3374
Mfr. Part No.STH0548S09
BrandXP Power
£7.04
Each
Units
- - - - - - - - - - - - - -
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