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. 190-8247
Mfr. Part No.MAX669EUB+
SGD7.80
Each (In a Pack of 2)
units
1.8 → 28V dc 4.5 → 5.5V dc 1 20mA - Surface Mount - -40°C +85°C 90% - - 0.012% -
RS Stock No. 204-2510
Mfr. Part No.MAX20796GFB+
SGD11.883
Each (In a Tray of 294)
units
4.5 → 16V dc 0.5 → 5.5V dc 2 Variable - - - - - - - - - -
RS Stock No. 190-4473
Mfr. Part No.MAX15005AAUE+
SGD3.273
Each (In a Tube of 96)
units
4.5 → 40V dc 7.15 → 7.6V dc 1 100mA - Surface Mount - -40°C +125°C - - - - -
RS Stock No. 190-4532
Mfr. Part No.MAX743EWE+
SGD17.709
Each (In a Tube of 46)
units
4.2 → 6V dc 14.4 → 15.6V dc 1 ±125mA - Surface Mount - -40°C +85°C 82 (Typ.)% - 1% 0.05% -
RS Stock No. 190-4521
Mfr. Part No.MAX5035DUSA+
SGD4.38
Each (In a Tube of 100)
units
7.5 → 76V dc 3.18 → 12.36V dc 1 1A - Surface Mount - 0°C +85°C 94 (Typ.)% - - - -
RS Stock No. 190-4529
Mfr. Part No.MAX734CSA+
SGD4.233
Each (In a Tube of 100)
units
17V dc 11.64 → 12.6V dc 1 225 (Typ.)mA - Surface Mount - 0°C +70°C 85 (Typ.)% - - - -
RS Stock No. 190-8244
Mfr. Part No.MAX774ESA+
SGD9.62
Each
units
3 → 16.5V dc -4.8 → -5.2V dc 1 125mA 5W Surface Mount - 0°C +70°C 82 (Typ.)% - - - -
RS Stock No. 190-4556
Mfr. Part No.MAXM17504ALJ+
SGD19.45
Each (In a Tray of 60)
units
4.5 → 60V dc 0.9 → 12V dc 1 3.5A - Surface Mount SIP -40°C +125°C - - - - -
RS Stock No. 190-7937
Mfr. Part No.MAX15005AAUE+
SGD4.662
Each (In a Pack of 5)
units
4.5 → 40V dc 7.15 → 7.6V dc 1 100mA - Surface Mount - -40°C +125°C - - - - -
RS Stock No. 190-8168
Mfr. Part No.MAX1721EUT+T
SGD2.426
Each (In a Pack of 5)
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. 190-4502
Mfr. Part No.MAX17502FATB+T
SGD3.458
Each (On a Reel of 2500)
units
4.5 → 60V dc 11.52 → 12.48V dc 1 1A - Surface Mount - -40°C +125°C 90% - - - -
RS Stock No. 190-4533
Mfr. Part No.MAX756CSA+
SGD5.508
Each (In a Tube of 100)
units
2.5V dc 4.8 → 5.2V dc 1 - - Surface Mount - 0°C +70°C 87% - - - -
RS Stock No. 190-4486
Mfr. Part No.MAX1623EAP+
SGD15.40
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% - - - -
RS Stock No. 190-7977
Mfr. Part No.MAX743EWE+
SGD20.09
Each
units
4.2 → 6V dc 14.4 → 15.6V dc 1 ±125mA - Surface Mount - -40°C +85°C 82 (Typ.)% - 1% 0.05% -
RS Stock No. 190-8152
Mfr. Part No.MAX1697UEUT+T
SGD3.304
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. 190-8119
Mfr. Part No.MAX1678EUA+
SGD5.21
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. 190-4508
Mfr. Part No.MAX17544ATP+
SGD4.539
Each (In a Tube of 60)
units
4.5 → 42V dc 4.75 → 5.25V dc 1 3.5A - Surface Mount - -40°C +125°C 90% - - - -
RS Stock No. 190-4488
Mfr. Part No.MAX1678EUA+
SGD4.524
Each (In a Tube of 50)
units
5.5V dc 3.16 → 3.44V dc 1 90mA - Surface Mount - -40°C +85°C 90% - - - -
RS Stock No. 190-8020
Mfr. Part No.MAX861ISA+
SGD3.356
Each (In a Pack of 5)
units
1.5 → 5.5V dc 2.5 → 5.5V dc 1 100mA - Surface Mount - -25°C +85°C 99.9 (Typ.)% - - - -
RS Stock No. 190-8002
Mfr. Part No.MAX770ESA+
SGD7.59
Each (In a Pack of 2)
units
2 → 16.5V dc 14.4 → 15.6V dc 1 - 15W Surface Mount - -40°C +85°C 90% - - - -