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. 186-1291
Mfr. Part No.NCP1616A2DR2G
R 8.314
Each (On a Reel of 2500)
units
9.5 → 28V dc 3.85 → 4.1V dc 1 - - Surface Mount SOIC -40°C +150°C - - - - -
RS stock no. 186-1239
Mfr. Part No.NCP1342AMAACD1R2G
R 5.813
Each (On a Reel of 2500)
units
9 → 28V dc - 1 500 (Source) mA, 800 (Sink) mA 30mW Surface Mount SOIC -40°C +125°C - - - - -
RS stock no. 186-1305
Mfr. Part No.NCP4306AAAZZZAMNTWG
R 5.409
Each (On a Reel of 4000)
units
35 (Maximum)V dc - 1 2 (Source) A, 7 (Sink) A - Surface Mount DFN (CASE 488AF) -40°C +125°C - - - - -
RS stock no. 186-1375
Mfr. Part No.NCP1342AMAACD1R2G
R 16.411
Each (In a Pack of 10)
units
9 → 28V dc - 1 500 (Source) mA, 800 (Sink) mA 30mW Surface Mount SOIC -40°C +125°C - - - - -
RS stock no. 186-1306
Mfr. Part No.NCP4306AADZZZAMN1TBG
R 4.587
Each (On a Reel of 3000)
units
35 (Maximum)V dc - 1 2 (Source) A, 7 (Sink) A - Surface Mount DFN (CASE 506BP) -40°C +125°C - - - - -
RS stock no. 186-1411
Mfr. Part No.NCP4306AADZZZAMNTWG
R 15.634
Each (In a Pack of 10)
units
35 (Maximum)V dc - 1 2 (Source) A, 7 (Sink) A - Surface Mount DFN (CASE 488AF) -40°C +125°C - - - - -
RS stock no. 186-1258
Mfr. Part No.FAN48685UC08X
R 3.661
Each (On a Reel of 3000)
units
2.5 → 5.5V dc 3.6 V dc, 5 V dc, 5.45 V dc 1 800mA - Surface Mount WLCSP -40°C +85°C 93% - - - 30mV
RS stock no. 186-1408
Mfr. Part No.NCP4306AADZZZAMN1TBG
R 13.751
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. 186-1401
Mfr. Part No.NCP4306AAAZZZAMN1TBG
R 13.751
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. 186-1432
Mfr. Part No.FAN48685UC08X
R 144.534
Each (In a Pack of 15)
units
2.5 → 5.5V dc 3.6 V dc, 5 V dc, 5.45 V dc 1 800mA - Surface Mount WLCSP -40°C +85°C 93% - - - 30mV
RS stock no. 186-1304
Mfr. Part No.NCP4306AAAZZZAMN1TBG
R 4.587
Each (On a Reel of 3000)
units
35 (Maximum)V dc - 1 2 (Source) A, 7 (Sink) A - Surface Mount DFN (CASE 506BP) -40°C +125°C - - - - -
RS stock no. 186-1398
Mfr. Part No.NCP3231BMNTXG
R 46.854
Each (In a Pack of 5)
units
4.5 → 18V dc 0.6 → 5.45V dc 1 25A - Surface Mount - -40°C +150°C - - - - -
RS stock no. 186-1405
Mfr. Part No.NCP4306AAAZZZAMNTWG
R 15.627
Each (In a Pack of 10)
units
35 (Maximum)V dc - 1 2 (Source) A, 7 (Sink) A - Surface Mount DFN (CASE 488AF) -40°C +125°C - - - - -
RS stock no. 186-1303
Mfr. Part No.NCP3231BMNTXG
R 22.174
Each (On a Reel of 2500)
units
4.5 → 18V dc 0.6 → 5.45V dc 1 25A - Surface Mount - -40°C +150°C - - - - -
RS stock no. 186-1448
Mfr. Part No.NCP1616A2DR2G
R 22.728
Each (In a Pack of 5)
units
9.5 → 28V dc 3.85 → 4.1V dc 1 - - Surface Mount SOIC -40°C +150°C - - - - -
RS stock no. 186-1307
Mfr. Part No.NCP4306AADZZZAMNTWG
R 5.409
Each (On a Reel of 4000)
units
35 (Maximum)V dc - 1 2 (Source) A, 7 (Sink) A - Surface Mount DFN (CASE 488AF) -40°C +125°C - - - - -