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. 775-2947
Mfr. Part No.NCP1081DEG
$5.04
Each (In a Pack of 2)
units
Buck Controller, Flyback Controller 1 DC-DC 500 kHz - Surface Mount TSSOP 20 6.6 x 4.5 x 0.95mm - - 57 V +85 °C -
RS Stock No. 124-5346
Mfr. Part No.NCP1081DEG
$4.202
Each (In a Tube of 74)
units
Buck Controller, Flyback Controller 1 DC-DC 500 kHz - Surface Mount TSSOP 20 6.6 x 4.5 x 0.95mm - - 57 V +85 °C -
RS Stock No. 761-9566
Mfr. Part No.LTC4252-2IMS#PBF
$10.27
Each
units
Negative Voltage Hot Swap Controller 1 - - - Surface Mount MSOP 10 3 x 3 x 0.86mm - - - +85 °C -
RS Stock No. 822-6566
Mfr. Part No.LT3750EMS#PBF
$16.37
Each
units
- - DC-DC - - Surface Mount MSOP 10 3 x 3 x 0.86mm - - - +85 °C -
RS Stock No. 110-9058
Mfr. Part No.ICE3BR1765JXKLA1
BrandInfineon
$3.473
Each (In a Pack of 10)
units
SMPS Current Mode - AC-DC 73.5 kHz - Through Hole PDIP 8 9.77 x 6.6 x 4.8mm - - 25 V +150 °C -
RS Stock No. 168-5885
Mfr. Part No.ICE3BR1765JXKLA1
BrandInfineon
$2.733
Each (In a Tube of 50)
units
SMPS Current Mode - AC-DC 73.5 kHz - Through Hole PDIP 8 9.77 x 6.6 x 4.8mm - - 25 V +150 °C -
RS Stock No. 516-788
Mfr. Part No.TEA1750T/N1/DG,518
BrandNXP
$4.232
Each (In a Pack of 5)
units
- - DC-DC - - Surface Mount SOIC 16 10 x 4 x 1.45mm - - - +150 °C -
RS Stock No. 145-9202
Mfr. Part No.L6565D
$1.259
Each (In a Tube of 30)
units
- - DC-DC - - Surface Mount SOIC 8 5 x 4 x 1.25mm - - - +150 °C -
RS Stock No. 851-6796
Mfr. Part No.LTC4364IMS-2#PBF
$15.37
Each
units
Hot Swap Controller - - - - Surface Mount MSOP 16 4.039 x 3 x 0.86mm - - - +85 °C -
RS Stock No. 162-8189
Mfr. Part No.LM25118MH/NOPB
$7.87
Each (In a Tube of 73)
units
Boost Controller, Buck Controller 1 DC-DC 575 kHz - Surface Mount HTTSOP 20 6.5 x 4.4 x 0.9mm - - 42 V +125 °C 4A
RS Stock No. 661-8449
Mfr. Part No.TL1451ACPW
$3.45
Each
units
PWM Controller 2 DC-DC - - Surface Mount TSSOP 16 5 x 4.4 x 1.15mm - - 50 V +85 °C 20mA
RS Stock No. 724-0533
Mfr. Part No.MCP1640B-I/MC
BrandMicrochip
$1.018
Each (In a Pack of 5)
units
Boost Controller 1 DC-DC 575 kHz - Surface Mount DFN 8 3 x 2 x 0.95mm - - 5.5 V +85 °C 350mA
RS Stock No. 825-3533
Mfr. Part No.TL1451ACPWR
$2.778
Each (In a Pack of 5)
units
- - - 500 kHz 4.5mm Surface Mount TSSOP 16 5.1 x 4.5 x 1.05mm 5.1mm 1.05mm - +85 °C -
RS Stock No. 824-6923
Mfr. Part No.LM5050MK-2/NOPB
$3.308
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. 102-5708
Mfr. Part No.LM3478MM/NOPB
$2.447
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. 178-8826
Mfr. Part No.TL1451ACPWR
$3.40
Each (In a Tube of 90)
units
- - - 500 kHz 4.5mm Surface Mount TSSOP 16 5.1 x 4.5 x 1.05mm 5.1mm 1.05mm - +85 °C -
RS Stock No. 162-8595
Mfr. Part No.LM5050MK-2/NOPB
$1.87
Each (On a Reel of 1000)
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. 714-0653
Mfr. Part No.L6565D
$1.37
Each (In a Pack of 2)
units
- 1 - - 4mm Surface Mount SOIC 8 - 5mm 1.25mm - +150 °C -
RS Stock No. 884-2644
Mfr. Part No.LTC1622CS8#PBF
$7.835
Each (In a Pack of 2)
units
Step Down 1 DC-DC 625 kHz - Surface Mount SOIC 8 5 x 4 x 1.5mm - - 10 V +85 °C 1A
RS Stock No. 145-6027
Mfr. Part No.UCC25600D
$1.745
Each (In a Tube of 75)
units
- 2 DC-DC - - Surface Mount SOIC 8 4.9 x 3.91 x 1.58mm - - 18 V +125 °C -