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
New
RS Stock No. 190-7943
Mfr. Part No.MAX1595EUA33+
MYR18.32
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 - - - - -
RS Stock No. 166-9045
Mfr. Part No.R-78HB15-0.5
BrandRecom
MYR65.623
Each (In a Tube of 42)
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. 166-6054
Mfr. Part No.TSR 1-2412SM
BrandTRACOPOWER
MYR40.35
Each (In a Tube of 10)
units
4.6 → 36V dc 1.2V dc 1 1A - Through Hole TO-220 -40°C +85°C 62 % @ Vin max, 74 % @ Vin min >5350000h 0.6% 0.2% 50 (1.2 to 6.5 VDC Models) mV, 75 (9 to 15 VDC Models) mV
New
RS Stock No. 190-4486
Mfr. Part No.MAX1623EAP+
MYR42.692
Each (In a Tube of 66)
units
4.5 → 5.5V dc 3.29 → 3.36V dc 1 3.65A - Surface Mount - -40°C +85°C 94% - - - -
New
RS Stock No. 188-3377
Mfr. Part No.STH0548S12
BrandXP Power
MYR44.50
Each
units
- - - - - - - - - - - - - -
RS Stock No. 166-6624
Mfr. Part No.R-78AA9.0-0.5SMD
BrandRecom
MYR42.442
Each (In a Tube of 33)
units
11 → 32V dc 9V dc 1 500mA 5W Surface Mount DIP -40°C +85°C 96% 21098000h 0.7% 0.1% 30mV Pk-Pk
RS Stock No. 166-8989
Mfr. Part No.R-783.3-1.0
BrandRecom
MYR35.626
Each (In a Tube of 42)
units
4.75 → 18V dc 3.3V dc 1 1A 3.3W Through Hole SIP -40°C +85°C 84% 13338000h ±0.6% ±0.4% 30mV Pk-Pk
New
RS Stock No. 190-4499
Mfr. Part No.MAX1721EUT+T
MYR4.08
Each (On a Reel of 2500)
units
1.5 → 5.5V dc -0.3 → 0.3V dc 1 25mA - Surface Mount - -40°C +85°C 99.9 (Typ.)% - - - -
RS Stock No. 166-8984
Mfr. Part No.R-78HB5.0-0.5L
BrandRecom
MYR64.493
Each (In a Tube of 42)
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
RS Stock No. 166-5669
Mfr. Part No.TSRN 1-2450A
BrandTRACOPOWER
MYR46.081
Each (In a Tube of 10)
units
4.6 → 31 V dc, 6.5 → 42 V dc -5 V dc, 5 V dc 1 1 A, 400 mA - Through Hole SIP -40°C +85°C 78 %, 83 % 6000000h ±0.4% ±0.2% 75mV Pk-Pk
New
RS Stock No. 190-4470
Mfr. Part No.ICL7660CUA+
MYR8.03
Each (In a Tube of 50)
units
1.5 → 10V dc 3 → 10V dc 1 200µA - Surface Mount - 0°C +70°C 99.9 (Typ.)% - - - -
RS Stock No. 167-1973
Mfr. Part No.STR05S3V3
BrandXP Power
MYR36.781
Each (In a Tube of 10)
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. 174-4661
Mfr. Part No.SRH05S12
BrandXP Power
MYR33.351
Each (In a Tube of 40)
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. 817-9413
Mfr. Part No.TSR 0.5-2490
BrandTRACOPOWER
MYR31.03
Each
units
11 → 32V dc 9V dc 1 500mA - Through Hole SIP 3 -40°C +90°C 96% 2000000h ±0.4% ±0.2% 40mV Pk-Pk
RS Stock No. 389-356
Mfr. Part No.TPS5450DDA
MYR21.72
Each
units
- - 1 - - Surface Mount - - - 90% - - - -
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. 906-8496
Mfr. Part No.TSR 2-24150
BrandTRACOPOWER
MYR63.63
Each
units
18 → 36V dc 15V dc 1 2A - Through Hole SIP -40°C +85°C 96% 13520000h Maximum of 1% Maximum of 0.5% 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. 139-2824
Mfr. Part No.R-78S3.3-0.1
BrandRecom
MYR23.485
Each (In a Tube of 42)
units
0.65 → 3.15V dc 3.3V dc 1 100mA 0.33W Through Hole SIP 4 -40°C +100°C 93% 78172000h ±1% ±0.3% 100mV Pk-Pk
RS Stock No. 532-8038
Mfr. Part No.R-781.8-0.5
BrandRecom
MYR31.68
Each
units
4.75 → 32V dc 1.8V dc 1 500mA 2.5W Through Hole SIP -40°C +85°C 82% - ±0.6% ±0.4% -
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