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. 786-9963
Mfr. Part No.LTC3824EMSE#PBF
SGD6.485
Each (In a Pack of 2)
units
Buck Controller 1 DC-DC 600 kHz - Surface Mount MSOP 10 3 x 3 x 0.86mm - - 60 V +150 °C 2.5A
RS Stock No. 858-0885
Mfr. Part No.LTC4412HVIS6#TRMPBF
SGD6.772
Each (In a Pack of 5)
units
Load Share Controller - - - - Surface Mount TSOT-23 6 - - - 36 V - -
RS Stock No. 396-459
Mfr. Part No.LTC4413EDD#PBF
SGD7.91
Each
units
Positive Voltage Hot Swap Controller 2 - - - Surface Mount DFN 10 3 x 3 x 0.7mm - - 5.5 V +85 °C -
RS Stock No. 156-5695
Mfr. Part No.LTC4412HVIS6#TRMPBF
SGD4.171
Each (On a Reel of 500)
units
Load Share Controller - - - - Surface Mount TSOT-23 6 - - - 36 V - -
RS Stock No. 168-5879
Mfr. Part No.ICE3A2065ELJFKLA1
BrandInfineon
SGD2.26
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. 858-0781
Mfr. Part No.LTC4355CS#PBF
SGD9.23
Each (In a Pack of 2)
units
Load Share Controller - - - - Surface Mount SOIC 16 - - - 80 V - -
RS Stock No. 110-7436
Mfr. Part No.ICE3A2065ELJFKLA1
BrandInfineon
SGD2.26
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. 812-0367
Mfr. Part No.TPS23757PW
SGD6.23
Each (In a Pack of 5)
units
Converter 1 DC-DC 278 kHz - Surface Mount TSSOP 20 6.6 x 4.5 x 1.05mm - - 57 V +125 °C -
RS Stock No. 162-7912
Mfr. Part No.TPS23757PW
SGD5.469
Each (In a Tube of 70)
units
Converter 1 DC-DC 278 kHz - Surface Mount TSSOP 20 6.6 x 4.5 x 1.05mm - - 57 V +125 °C -
RS Stock No. 162-8595
Mfr. Part No.LM5050MK-2/NOPB
SGD1.67
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. 824-6923
Mfr. Part No.LM5050MK-2/NOPB
SGD3.182
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. 761-9197
Mfr. Part No.LTC1771EMS8#PBF
SGD9.09
Each
units
- - DC-DC - - Surface Mount MSOP 8 3 x 3 x 0.86mm - - 20 V +85 °C 5A
RS Stock No. 761-9575
Mfr. Part No.LTC4357HMS8#PBF
SGD8.89
Each
units
Load Share Controller - - - - Surface Mount MSOP 8 - - - 80 V - -
RS Stock No. 822-6825
Mfr. Part No.LTC4210-1IS6#TRMPBF
SGD7.21
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. 155-9352
Mfr. Part No.LTC3891EUDC#PBF
SGD7.741
Each (In a Tube of 91)
units
Step Down 1 DC-DC 900 kHz - Surface Mount QFN 20 3 x 4 x 0.7mm - - 60 V +125 °C -
RS Stock No. 858-0636
Mfr. Part No.LTC3891EUDC#PBF
SGD11.48
Each
units
Step Down 1 DC-DC 900 kHz - Surface Mount QFN 20 3 x 4 x 0.7mm - - 60 V +125 °C -
RS Stock No. 786-9948
Mfr. Part No.LTC3704EMS#PBF
SGD6.17
Each (In a Pack of 2)
units
Positive to Negative Controller 1 DC-DC 350 kHz - Surface Mount MSOP 10 3 x 3 x 0.86mm - - 36 V +85 °C 50mA
RS Stock No. 779-9375
Mfr. Part No.LT1641-1CS8#PBF
SGD7.955
Each (In a Pack of 2)
units
Positive Voltage Hot Swap Controller 1 - - - Surface Mount SOIC 8 5.004 x 3.988 x 1.498mm - - 80 V +70 °C -
RS Stock No. 155-7570
Mfr. Part No.LTC4210-1IS6#TRMPBF
SGD4.614
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. 822-6578
Mfr. Part No.LTC4417IGN#PBF
SGD11.91
Each
units
Power Path Controller 1 DC-DC - - Surface Mount SSOP 24 8.738 x 3.988 x 1.501mm - - 36 V +85 °C 2mA