Voltage Controllers

Voltage controllers are electronic devices which help to keep a consistent voltage within a circuit. They are commonly used in electronic devices and are designed to help provide voltage management.

They are similar to Voltage regulators in that they control the voltage output. However, voltage controllers are able to create different outputs, such as a variable voltage, or they may act as a switch to divert the power. Voltage controllers convert a fixed voltage input to have variable voltage in output delivered to a resistive load. Similar to voltage converters, voltage controllers include all of the controlling circuitry, but do not include the passive components.

Voltage controllers have a current conversion type, which is AC-DC or DC-DC. AC-DC takes an AC power input and converts it to a DC output voltage.

Types of Voltage Controller:

  • Boost Controller
  • Buck Controller
  • Flyback Controller
  • PWM Controller
  • Step-Down Voltage Controller

Voltage controllers are ICs which come in a semiconductor package. This includes TSSOP, SOIC, SOT-23 and QFN.

Where are voltage controllers used?

Voltage controllers are often used to help drive MOSFETs. They are used in most applications which require power, and some form of voltage management. For example, battery powered devices, power supply units (PSUs) or chargers, computers, automotive and telecommunications.


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Description Price Controller Type Number of Outputs Current Conversion Type Maximum Switching Frequency Width Mounting Type Package Type Pin Count Dimensions Length Height Maximum Input Voltage Maximum Operating Temperature Maximum Output Current
RS Stock No. 822-5838
Mfr. Part No.LTC4301LCMS8#PBF
€4.05
Each (In a Pack of 2)
units
Positive Voltage Hot Swap Controller 2 - - - Surface Mount MSOP 8 3 x 3 x 0.973mm - - 5.5 V +70 °C -
RS Stock No. 884-6794
Mfr. Part No.LT1072CT#PBF
€5.75
Each (In a Pack of 2)
units
Controller 1 AC-DC 47 kHz - Through Hole TO-220 5 10.54 x 4.57 x 15.75mm - - 60 V +100 °C 1.25A
RS Stock No. 121-9337
Mfr. Part No.LM3478MA/NOPB
€2.038
Each (In a Tube of 95)
units
Step Up Controller 1 DC-DC 1 MHz - Surface Mount SOIC 8 5 x 4 x 1.5mm - - 40 V +125 °C 1A
RS Stock No. 102-5708
Mfr. Part No.LM3478MM/NOPB
€1.418
Each (On a Reel of 1000)
units
MOSFET Power Controller 1 DC-DC - - Surface Mount MSOP 8 3 x 3 x 0.86mm - - 40 V +125 °C -
RS Stock No. 535-9379
Mfr. Part No.LM3478MM/NOPB
€2.378
Each (In a Pack of 5)
units
MOSFET Power Controller 1 DC-DC - - Surface Mount MSOP 8 3 x 3 x 0.86mm - - 40 V +125 °C -
RS Stock No. 811-5560
Mfr. Part No.LM3478MA/NOPB
€2.394
Each (In a Pack of 5)
units
Step Up Controller 1 DC-DC 1 MHz - Surface Mount SOIC 8 5 x 4 x 1.5mm - - 40 V +125 °C 1A
RS Stock No. 412-810
Mfr. Part No.ADUM1250ARZ
€5.35
Each
units
- 2 - - - Surface Mount SOIC 8 5 x 4 x 1.5mm - - 5.5 V +105 °C -
RS Stock No. 155-7570
Mfr. Part No.LTC4210-1IS6#TRMPBF
€2.979
Each (On a Reel of 500)
units
Positive Voltage Hot Swap Controller 1 - - - Surface Mount TSOT-23 6 2.9 x 1.75 x 0.9mm - - 16.5 V +85 °C -
RS Stock No. 163-2568
Mfr. Part No.NCP43080DDR2G
Brandonsemi
€0.342
Each (On a Reel of 2500)
units
Synchronous Rectifier Controller 1 AC-DC 500 kHz - Surface Mount SOIC 8 5 x 4 x 1.5mm - - 25 V +125 °C -4 A, 8A
RS Stock No. 761-5488
Mfr. Part No.LM25116MH/NOPB
€4.84
Each
units
Buck Controller, Synchronous 1 DC-DC 1000 kHz - Surface Mount TSSOP 20 6.5 x 4.4 x 0.8mm - - 42 V +125 °C -
RS Stock No. 822-6825
Mfr. Part No.LTC4210-1IS6#TRMPBF
€3.99
Each (In a Pack of 2)
units
Positive Voltage Hot Swap Controller 1 - - - Surface Mount TSOT-23 6 2.9 x 1.75 x 0.9mm - - 16.5 V +85 °C -
RS Stock No. 471-415
Mfr. Part No.LTC4412ES6#TRMPBF
€3.05
Each
units
Positive Voltage Hot Swap Controller 1 - - - Surface Mount TSOT-23 6 2.9 x 1.75 x 0.9mm - - 28 V +85 °C -
RS Stock No. 162-5941
Mfr. Part No.TPS51125RGET
€2.827
Each (On a Reel of 250)
units
Buck Controller 2 DC-DC - - Surface Mount VQFN 24 4 x 4 x 0.88mm - - 28 V +85 °C -
RS Stock No. 389-182
Mfr. Part No.TPS40200D
€2.308
Each (In a Pack of 5)
units
Buck Controller 1 DC-DC - - Surface Mount SOIC 8 4.9 x 3.91 x 1.58mm - - 52 V +85 °C -
RS Stock No. 824-6923
Mfr. Part No.LM5050MK-2/NOPB
€2.07
Each (In a Pack of 5)
units
OR-ing FET Controller 1 DC-DC - - Surface Mount SOT-23 6 3.05 x 1.75 x 1mm - - 75 V +125 °C 265µA
RS Stock No. 825-6793
Mfr. Part No.TPS40303DRCT
€0.90
Each (In a Pack of 2)
units
Buck Controller 1 - 330 kHz 3.1mm Surface Mount SON 10 3.1 x 3.1 x 0.95mm 3.1mm 0.95mm 20 V +125 °C 20A
RS Stock No. 123-8827
Mfr. Part No.NCP43080DDR2G
Brandonsemi
€0.749
Each (In a Pack of 10)
units
Synchronous Rectifier Controller 1 AC-DC 500 kHz - Surface Mount SOIC 8 5 x 4 x 1.5mm - - 25 V +125 °C -4 A, 8A
RS Stock No. 145-6293
Mfr. Part No.TPS40200D
€1.967
Each (In a Tube of 75)
units
Buck Controller 1 DC-DC - - Surface Mount SOIC 8 4.9 x 3.91 x 1.58mm - - 52 V +85 °C -
RS Stock No. 812-0496
Mfr. Part No.TPS51220ARTVT
€3.73
Each
units
Power Controller 1 DC-DC 1000 kHz - Surface Mount WQFN 32 5.15 x 5.15 x 0.75mm - - 32 V +85 °C 20A
RS Stock No. 661-6929
Mfr. Part No.TPS51125RGET
€2.97
Each
units
Buck Controller 2 DC-DC - - Surface Mount VQFN 24 4 x 4 x 0.88mm - - 28 V +85 °C -