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. 761-9516
Mfr. Part No.LTC3780IG#PBF
TWD449.00
Each
units
Boost Controller, Buck Controller 1 DC-DC 400 kHz - Surface Mount SSOP 24 8.5 x 8.2 x 1.95mm - - 36 V +125 °C 5A
RS Stock No. 110-7436
Mfr. Part No.ICE3A2065ELJFKLA1
BrandInfineon
TWD61.00
Each (In a Pack of 10)
units
SMPS Current Mode 1 AC-DC 108 kHz - Through Hole PDIP 8 9.77 x 6.6 x 4.8mm - - 21 V +150 °C -
RS Stock No. 797-4778
Mfr. Part No.TEA1721AT/N1,118
BrandNXP
TWD34.60
Each (In a Pack of 5)
units
SMPS Controller 1 DC-DC 53 kHz - Surface Mount SOIC 7 4.9 x 3.9 x 1.35mm - - 19 V +150 °C -
RS Stock No. 166-0165
Mfr. Part No.TEA1721AT/N1,118
BrandNXP
TWD15.70
Each (On a Reel of 2500)
units
SMPS Controller 1 DC-DC 53 kHz - Surface Mount SOIC 7 4.9 x 3.9 x 1.35mm - - 19 V +150 °C -
RS Stock No. 822-6566
Mfr. Part No.LT3750EMS#PBF
TWD292.00
Each
units
- - DC-DC - - Surface Mount MSOP 10 3 x 3 x 0.86mm - - - +85 °C -
RS Stock No. 168-5879
Mfr. Part No.ICE3A2065ELJFKLA1
BrandInfineon
TWD57.30
Each (In a Tube of 50)
units
SMPS Current Mode 1 AC-DC 108 kHz - Through Hole PDIP 8 9.77 x 6.6 x 4.8mm - - 21 V +150 °C -
RS Stock No. 921-6995
Mfr. Part No.LM5116MH/NOPB
TWD259.10
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 - - - +125 °C -
RS Stock No. 162-7913
Mfr. Part No.TPS2378DDA
TWD61.70
Each (In a Tube of 75)
units
Converter 1 DC-DC - - Surface Mount SOIC 8 5 x 4 x 1.55mm - - 57 V +85 °C -
RS Stock No. 812-0376
Mfr. Part No.TPS2378DDA
TWD72.20
Each (In a Pack of 5)
units
Converter 1 DC-DC - - Surface Mount SOIC 8 5 x 4 x 1.55mm - - 57 V +85 °C -
RS Stock No. 761-5996
Mfr. Part No.LM5116MH/NOPB
TWD219.00
Each
units
Buck Controller, Synchronous 1 DC-DC 1000 kHz - Surface Mount TSSOP 20 6.5 x 4.4 x 0.8mm - - - +125 °C -
RS Stock No. 802-2118
Mfr. Part No.NCP1083DEG
TWD108.00
Each (In a Pack of 2)
units
Buck Converter 1 DC-DC 500 kHz - Surface Mount TSSOP 20 6.6 x 4.5 x 0.95mm - - 57 V +85 °C 10mA
RS Stock No. 809-9843
Mfr. Part No.ADP2441ACPZ-R7
TWD160.00
Each (In a Pack of 2)
units
Step Down Converter 1 DC-DC 1 MHz - Surface Mount LFCSP WQ 12 3.1 x 3.1 x 0.75mm - - 36 V +125 °C -
RS Stock No. 471-499
Mfr. Part No.LT3479EFE#PBF
TWD250.00
Each
units
Boost Controller 1 DC-DC 4100 kHz - Surface Mount TSSOP 16 5.1 x 4.5 x 0.95mm - - 24 V +85 °C 3A
RS Stock No. 160-4450
Mfr. Part No.ADP2441ACPZ-R7
TWD93.60
Each (On a Reel of 1500)
units
Step Down Converter 1 DC-DC 1 MHz - Surface Mount LFCSP WQ 12 3.1 x 3.1 x 0.75mm - - 36 V +125 °C -
RS Stock No. 725-8837
Mfr. Part No.TEA1751T/N1,518
BrandNXP
TWD65.00
Each (In a Pack of 2)
units
- - DC-DC - - Surface Mount SOIC 16 10 x 4 x 1.45mm - - - +150 °C -
RS Stock No. 761-9493
Mfr. Part No.LTC3703IGN#PBF
TWD296.00
Each
units
Boost Controller, Buck Controller 1 DC-DC 600 kHz - Surface Mount SSOP 16 4.978 x 3.988 x 1.5mm - - 60 V +125 °C 5A
RS Stock No. 516-5629
Mfr. Part No.UAA2016PG
TWD54.00
Each
units
Zero Voltage Switching Triac 1 AC-DC - - Through Hole PDIP 8 10.16 x 6.6 x 3.44mm - - -8 V +85 °C 150mA
RS Stock No. 535-9379
Mfr. Part No.LM3478MM/NOPB
TWD104.20
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. 145-1333
Mfr. Part No.UCC28730D
TWD45.40
Each (In a Bag of 75)
units
Flyback Controller 1 DC-DC 90 kHz - Surface Mount SOIC 7 5 x 4 x 1.5mm - - 264 V +125 °C 2.2A
RS Stock No. 110-7101
Mfr. Part No.ICE3AR0680JZXKLA1
BrandInfineon
TWD109.50
Each (In a Pack of 8)
units
SMPS Current Mode 1 AC-DC 113 kHz - Through Hole PDIP 7 9.77 x 6.6 x 4.57mm - - 25 V +150 °C -