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. 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. 166-0165
Mfr. Part No.TEA1721AT/N1,118
BrandNXP
TWD17.00
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. 797-4778
Mfr. Part No.TEA1721AT/N1,118
BrandNXP
TWD34.80
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. 822-6566
Mfr. Part No.LT3750EMS#PBF
TWD297.00
Each
units
- - DC-DC - - Surface Mount MSOP 10 3 x 3 x 0.86mm - - - +85 °C -
RS Stock No. 145-1164
Mfr. Part No.TPS51116PWP
TWD83.40
Each (In a Tube of 70)
units
Buck Controller 1 DC-DC 400 kHz - Surface Mount HTSSOP 20 6.6 x 4.5 x 1.05mm - - 28 V +85 °C 10A
RS Stock No. 162-8775
Mfr. Part No.TPS23753APW
TWD85.50
Each (In a Tube of 90)
units
Flyback Controller 1 DC-DC 273 kHz - Surface Mount TSSOP 14 5.1 x 4.5 x 1.05mm - - 57 V +125 °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. 110-7742
Mfr. Part No.ICE3B0565JFKLA1
BrandInfineon
TWD69.90
Each (In a Pack of 10)
units
SMPS Current Mode - AC-DC 76 kHz - Through Hole PDIP 8 9.77 x 6.6 x 4.8mm - - 26 V +150 °C -
RS Stock No. 102-5709
Mfr. Part No.LM3485MM/NOPB
TWD25.20
Each (On a Reel of 1000)
units
Buck Controller 1 DC-DC - - Surface Mount MSOP 8 3 x 3 x 0.86mm - - 35 V +125 °C -
RS Stock No. 761-9575
Mfr. Part No.LTC4357HMS8#PBF
TWD216.00
Each
units
Load Share Controller - - - - Surface Mount MSOP 8 - - - 80 V - -
RS Stock No. 156-5695
Mfr. Part No.LTC4412HVIS6#TRMPBF
TWD96.30
Each (On a Reel of 500)
units
Load Share Controller - - - - Surface Mount TSOT-23 6 - - - 36 V - -
RS Stock No. 162-8986
Mfr. Part No.NCP1083DEG
TWD91.60
Each (In a Tube of 74)
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. 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. 786-9856
Mfr. Part No.LTC1625IS#PBF
TWD486.00
Each
units
Buck Controller 1 DC-DC 165 kHz - Surface Mount SOIC 16 4.978 x 3.988 x 1.478mm - - 36 V +85 °C 2A
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. 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. 858-0885
Mfr. Part No.LTC4412HVIS6#TRMPBF
TWD159.00
Each (In a Pack of 5)
units
Load Share Controller - - - - Surface Mount TSOT-23 6 - - - 36 V - -
RS Stock No. 124-5438
Mfr. Part No.UAA2016PG
TWD45.80
Each (In a Tube of 50)
units
Zero Voltage Switching Controller 1 AC-DC - - Through Hole PDIP 8 10.16 x 6.6 x 3.44mm - - -8 V +85 °C 150mA