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. 761-5612
Mfr. Part No.LM3150MHE/NOPB
kr 40,12
Each
Units
Buck Controller, Synchronous 1 DC-DC 1000 kHz - Surface Mount TSSOP 14 5 x 4.4 x 0.8mm - - 42 V +125 °C 12A
RS Stock No. 921-6888
Mfr. Part No.LM3150MHE/NOPB
kr 27,842
Each (On a Reel of 250)
Units
Buck Controller, Synchronous 1 DC-DC 1000 kHz - Surface Mount TSSOP 14 5 x 4.4 x 0.8mm - - 42 V +125 °C 12A
RS Stock No. 162-8595
Mfr. Part No.LM5050MK-2/NOPB
kr 15,164
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. 412-810
Mfr. Part No.ADUM1250ARZ
kr 58,16
Each
Units
- 2 - - - Surface Mount SOIC 8 5 x 4 x 1.5mm - - 5.5 V +105 °C -
RS Stock No. 851-6843
Mfr. Part No.LTC4359IMS8#PBF
kr 60,66
Each (In a Pack of 2)
Units
Ideal Diode Controller - - - - Surface Mount MSOP 8 - - - 80 V - -
RS Stock No. 824-6923
Mfr. Part No.LM5050MK-2/NOPB
kr 22,504
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. 203-3422
Mfr. Part No.SRK1001TR
kr 8,154
Each (In a Pack of 25)
Units
Synchronous Rectifier Controller 1 AC-DC 300 kHz - Surface Mount SO8 4 - - - - - -
New
RS Stock No. 226-4514
Mfr. Part No.LTC4412ES6#TRPBF
kr 22,421
Each (On a Reel of 2500)
Units
Low Loss Power Path Controller 1 AC-DC - 1.5mm Surface Mount TSOT-23 6 - - - - - -
RS Stock No. 761-8872
Mfr. Part No.LT4256-2IS8#PBF
kr 50,23
Each
Units
Positive Voltage Hot Swap Controller 1 - - - Surface Mount SOIC 8 5.004 x 3.988 x 1.498mm - - 80 V +85 °C -
New
RS Stock No. 226-4824
Mfr. Part No.LM5069MM-1/NOPB
kr 19,663
Each (On a Reel of 1000)
Units
Current Mode Controller 1 DC-DC - 3mm Surface Mount VSSOP 10 - - - - - -
RS Stock No. 167-7311
Mfr. Part No.BD9851EFV-E2
BrandROHM
kr 31,136
Each (In a Pack of 5)
Units
Step Down Controller 1 DC-DC 3 MHz - Surface Mount HTSSOP 20 6.5 x 4.4 x 0.92mm - - 18 V +85 °C 200mA
RS Stock No. 812-4343
Mfr. Part No.UCC28703DBVT
kr 13,176
Each (In a Pack of 10)
Units
Flyback - DC-DC 140 kHz - Surface Mount SOT-23 6 3.05 x 1.75 x 1.3mm - - - +125 °C -
RS Stock No. 159-2547
Mfr. Part No.INN3268C-H202-TL
kr 21,20
Each
Units
Flyback Controller 1 DC-DC 100 kHz - Surface Mount InSOP-24D 16 9.4 x 10.8 x 1.45mm - - 265 V +150 °C -
RS Stock No. 761-9566
Mfr. Part No.LTC4252-2IMS#PBF
kr 60,01
Each
Units
Negative Voltage Hot Swap Controller 1 - - - Surface Mount MSOP 10 3 x 3 x 0.86mm - - - +85 °C -
RS Stock No. 822-6562
Mfr. Part No.LT1339CN#PBF
kr 111,00
Each
Units
Current Mode Controller 1 DC-DC 150 kHz - Through Hole PDIP 20 26.416 x 6.477 x 3.302mm - - 60 V +70 °C 65mA
RS Stock No. 826-9213
Mfr. Part No.ICE2HS01GXUMA1
BrandInfineon
kr 27,092
Each (In a Pack of 10)
Units
Resonant Mode Controller 1 DC-DC 225 kHz - Surface Mount DSO 20 12.8 x 7.6 x 2.45mm - - 18 V +125 °C 5mA
RS Stock No. 168-4208
Mfr. Part No.LM5071MT-50/NOPB
kr 15,521
Each (In a Tube of 92)
Units
Hot Swap Controller 1 - - - Surface Mount TSSOP 16 5 x 4.4 x 0.9mm - - 60 V +125 °C -
RS Stock No. 159-2326
Mfr. Part No.INN3165C-H101-TL
kr 155,35
Each
Units
Flyback Controller 1 DC-DC 80 kHz - Surface Mount InSOP-24D 16 9.4 x 10.8 x 1.45mm - - 265 V +150 °C -
New
RS Stock No. 213-9030
Mfr. Part No.AP4373AW5-7
kr 3,088
Each (In a Pack of 25)
Units
- 1 - - - Surface Mount SOT25 5 - - - - - -
RS Stock No. 158-5333
Mfr. Part No.INN3168C-H101-TL
kr 11,035
Each (On a Reel of 2000)
Units
Flyback Controller 1 DC-DC 65 kHz - Surface Mount InSOP-24D 16 9.4 x 10.8 x 1.45mm - - 265 V +150 °C -