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. 102-5708
Mfr. Part No.LM3478MM/NOPB
€1.121
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. 121-9337
Mfr. Part No.LM3478MA/NOPB
€1.853
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. 811-5560
Mfr. Part No.LM3478MA/NOPB
€2.176
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. 535-9379
Mfr. Part No.LM3478MM/NOPB
€1.81
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. 822-6761
Mfr. Part No.LTC4425EMSE#PBF
€4.885
Each (In a Pack of 2)
units
Capacitor Charger Controller - DC-DC - - Surface Mount MSOP 12 4.039 x 3 x 0.9984mm - - - +125 °C -
RS Stock No. 155-7570
Mfr. Part No.LTC4210-1IS6#TRMPBF
€2.58
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. 162-6186
Mfr. Part No.LM25116MH/NOPB
€3.417
Each (In a Tube of 73)
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. 917-3497
Mfr. Part No.LTC4412ES6#TRMPBF
€1.804
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 - - 28 V +85 °C -
RS Stock No. 742-7777
Mfr. Part No.ADP2114ACPZ-R7
€4.22
1 Tape of 1
Tape(s)
Buck Controller 2 DC-DC 1200 kHz - Surface Mount LFCSP 32 5 x 5 x 0.75mm - - 5.5 V +85 °C 4A
RS Stock No. 471-415
Mfr. Part No.LTC4412ES6#TRMPBF
€2.96
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. 121-9351
Mfr. Part No.TPS40170RGYT
€2.603
Each (On a Reel of 250)
units
Buck Controller 1 DC-DC 660 kHz - Surface Mount VQFN 20 4.65 x 3.65 x 0.95mm - - 60 V +125 °C 20A
RS Stock No. 761-5488
Mfr. Part No.LM25116MH/NOPB
€4.04
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. 162-7931
Mfr. Part No.TPS51220ARTVT
€2.868
Each (On a Reel of 250)
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. 412-810
Mfr. Part No.ADUM1250ARZ
€5.04
Each
units
- 2 - - - Surface Mount SOIC 8 5 x 4 x 1.5mm - - 5.5 V +105 °C -
RS Stock No. 661-6929
Mfr. Part No.TPS51125RGET
€4.08
Each
units
Buck Controller 2 DC-DC - - Surface Mount VQFN 24 4 x 4 x 0.88mm - - 28 V +85 °C -
RS Stock No. 162-5941
Mfr. Part No.TPS51125RGET
€2.57
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. 655-0589
Mfr. Part No.LM3489MM/NOPB
€1.698
Each (In a Pack of 5)
units
Buck Controller 1 DC-DC - - Surface Mount MSOP 8 3 x 3 x 0.86mm - - 35 V +125 °C -
RS Stock No. 812-0468
Mfr. Part No.TPS40170RGYT
€2.65
Each
units
Buck Controller 1 DC-DC 660 kHz - Surface Mount VQFN 20 4.65 x 3.65 x 0.95mm - - 60 V +125 °C 20A