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. 203-3390
Mfr. Part No.L6983N33QTR
PHP154.316
Each (In a Pack of 5)
units
3.5 V dc, 38 V dc 3.3V dc 1 3A - - - - - - - - - -
New
RS Stock No. 203-3397
Mfr. Part No.L6986H5VTR
PHP82.158
Each (On a Reel of 2500)
units
4 V dc, 38 V dc 3.3 V dc, 5 V dc 1 2A - - - - - - - - - -
New
RS Stock No. 203-3386
Mfr. Part No.L6983C33QTR
PHP154.316
Each (In a Pack of 5)
units
3.5 V dc, 38 V dc 3.3V dc 1 3A - - - - - - - - - -
New
RS Stock No. 203-3395
Mfr. Part No.L6986H3V3TR
PHP82.158
Each (On a Reel of 2500)
units
4 V dc, 38 V dc 3.3 V dc, 5 V dc 1 2A - - - - - - - - - -
New
RS Stock No. 203-3388
Mfr. Part No.L6983C50QTR
PHP154.316
Each (In a Pack of 5)
units
3.5 V dc, 38 V dc 5V dc 1 3A - - - - - - - - - -
RS Stock No. 810-3766
Mfr. Part No.ST1S31PUR
PHP81.38
Each (On a Tape of 5)
units
2.8 → 5.5V dc 0.8 → 5.5V dc 1 3A 1.5W Surface Mount VFDFPN -40°C +150°C - - 0.6% 0.3% -
RS Stock No. 810-3744
Mfr. Part No.L7985A
PHP106.58
Each (In a Pack of 5)
units
4.5 → 38V dc 0.6 → 38V dc 1 2A 2W Surface Mount HSOP -40°C +150°C - - - - -
New
RS Stock No. 203-3389
Mfr. Part No.L6983N33QTR
PHP74.887
Each (On a Reel of 3000)
units
3.5 V dc, 38 V dc 3.3V dc 1 3A - - - - - - - - - -
New
RS Stock No. 203-3391
Mfr. Part No.L6983N50QTR
PHP74.887
Each (On a Reel of 3000)
units
3.5 V dc, 38 V dc 5V dc 1 3A - - - - - - - - - -
New
RS Stock No. 203-3396
Mfr. Part No.L6986H3V3TR
PHP168.262
Each (In a Pack of 5)
units
4 V dc, 38 V dc 3.3 V dc, 5 V dc 1 2A - - - - - - - - - -
New
RS Stock No. 203-3401
Mfr. Part No.L6986HTR
PHP168.262
Each (In a Pack of 5)
units
4 V dc, 38 V dc 3.3 V dc, 5 V dc 1 2A - - - - - - - - - -
RS Stock No. 145-9233
Mfr. Part No.L7985A
PHP57.627
Each (In a Tube of 100)
units
4.5 → 38V dc 0.6 → 38V dc 1 2A 2W Surface Mount HSOP -40°C +150°C - - - - -
RS Stock No. 168-7852
Mfr. Part No.ST1S32PUR
PHP40.004
Each (On a Reel of 4500)
units
2.8 → 5.5V dc Minimum of 0.8V dc 1 4A 2.25W Surface Mount VFDFPN -40°C +150°C - - 0.6% 0.3% -
New
RS Stock No. 203-3385
Mfr. Part No.L6983C33QTR
PHP74.887
Each (On a Reel of 3000)
units
3.5 V dc, 38 V dc 3.3V dc 1 3A - - - - - - - - - -
New
RS Stock No. 203-3400
Mfr. Part No.L6986HTR
PHP82.158
Each (On a Reel of 2500)
units
4 V dc, 38 V dc 3.3 V dc, 5 V dc 1 2A - - - - - - - - - -
New
RS Stock No. 203-3398
Mfr. Part No.L6986H5VTR
PHP168.262
Each (In a Pack of 5)
units
4 V dc, 38 V dc 3.3 V dc, 5 V dc 1 2A - - - - - - - - - -
New
RS Stock No. 203-3393
Mfr. Part No.L6983NQTR
PHP74.887
Each (On a Reel of 3000)
units
3.5 V dc, 38 V dc 3.3 V dc, 5 V dc 1 3A - - - - - - - - - -
New
RS Stock No. 203-3394
Mfr. Part No.L6983NQTR
PHP154.316
Each (In a Pack of 5)
units
3.5 V dc, 38 V dc 3.3 V dc, 5 V dc 1 3A - - - - - - - - - -
New
RS Stock No. 203-3392
Mfr. Part No.L6983N50QTR
PHP154.316
Each (In a Pack of 5)
units
3.5 V dc, 38 V dc 5V dc 1 3A - - - - - - - - - -
RS Stock No. 809-1376
Mfr. Part No.ST1S32PUR
PHP92.40
Each (On a Tape of 5)
units
2.8 → 5.5V dc Minimum of 0.8V dc 1 4A 2.25W Surface Mount VFDFPN -40°C +150°C - - 0.6% 0.3% -