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. 110-9058
Mfr. Part No.ICE3BR1765JXKLA1
BrandInfineon
£1.648
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
£1.555
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. 102-5708
Mfr. Part No.LM3478MM/NOPB
£1.262
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. 535-9379
Mfr. Part No.LM3478MM/NOPB
£2.142
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. 412-810
Mfr. Part No.ADUM1250ARZ
£4.82
Each
Units
- 2 - - - Surface Mount SOIC 8 5 x 4 x 1.5mm - - 5.5 V +105 °C -
RS Stock No. 168-4093
Mfr. Part No.TPS40210DGQ
£1.813
Each (In a Tube of 80)
Units
- - - - 3mm Surface Mount HTSSOP 10 3 x 3 x 1.02mm 3mm 1.02mm 52 V +125 °C -
RS Stock No. 709-3204
Mfr. Part No.TPS40210DGQ
£2.36
Each
Units
Boost Controller - DC-DC - - Surface Mount HTSSOP 10 3 x 3 x 1.02mm - - 52 V +125 °C -
RS Stock No. 851-6796
Mfr. Part No.LTC4364IMS-2#PBF
£6.31
Each
Units
Hot Swap Controller - - - - Surface Mount MSOP 16 4.039 x 3 x 0.86mm - - - +85 °C -
RS Stock No. 811-5677
Mfr. Part No.LM5085MY/NOPB
£1.823
Each (On a Tape of 10)
Units
Buck Controller 1 DC-DC 1 MHz - Surface Mount MSOP 8 3 x 3 x 0.86mm - - 75 V +125 °C 10A
RS Stock No. 162-7709
Mfr. Part No.LM5085MY/NOPB
£1.193
Each (On a Reel of 1000)
Units
Buck Controller 1 DC-DC 1 MHz - Surface Mount MSOP 8 3 x 3 x 0.86mm - - 75 V +125 °C 10A
RS Stock No. 851-6843
Mfr. Part No.LTC4359IMS8#PBF
£5.025
Each (In a Pack of 2)
Units
Ideal Diode Controller - - - - Surface Mount MSOP 8 - - - 80 V - -
RS Stock No. 761-8948
Mfr. Part No.LTC1149CS#PBF
£7.40
Each
Units
Buck Controller, Synchronous 1 DC-DC 250 kHz - Surface Mount SOIC 16 10.008 x 3.988 x 1.5mm - - 60 V +70 °C 50mA
RS Stock No. 761-5999
Mfr. Part No.LM5118MH/NOPB
£5.12
Each
Units
Boost Controller, Buck Controller 1 DC-DC 500 kHz - Surface Mount TSSOP 20 6.5 x 4.4 x 0.8mm - - 75 V +125 °C -
RS Stock No. 166-1715
Mfr. Part No.FPF2123
Brandonsemi
£0.191
Each (On a Reel of 3000)
Units
Load Share Controller - - - - Surface Mount SOT-23 5 - - - 5.5 V - -
RS Stock No. 917-3497
Mfr. Part No.LTC4412ES6#TRMPBF
£1.936
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. 858-0885
Mfr. Part No.LTC4412HVIS6#TRMPBF
£3.542
Each (In a Pack of 5)
Units
Load Share Controller - - - - Surface Mount TSOT-23 6 - - - 36 V - -
RS Stock No. 921-6998
Mfr. Part No.LM5118MH/NOPB
£4.717
Each (In a Tube of 73)
Units
Boost Controller, Buck Controller 1 DC-DC 500 kHz - Surface Mount TSSOP 20 6.5 x 4.4 x 0.8mm - - 75 V +125 °C -
RS Stock No. 670-9964
Mfr. Part No.FPF2123
Brandonsemi
£0.494
Each (In a Pack of 5)
Units
Load Share Controller - - - - Surface Mount SOT-23 5 - - - 5.5 V - -
RS Stock No. 471-415
Mfr. Part No.LTC4412ES6#TRMPBF
£2.75
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. 824-6923
Mfr. Part No.LM5050MK-2/NOPB
£1.864
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