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. 922-2975
Mfr. Part No.TPS2400DBVT
HK$12.515
Each (On a Reel of 250)
units
Positive Voltage Hot Swap Controller 1 - - - Surface Mount SOT-23 5 2.9 x 1.6 x 1.15mm - - - +125 °C -
RS Stock No. 665-8649
Mfr. Part No.TPS2400DBVT
HK$21.064
Each (In a Pack of 5)
units
Positive Voltage Hot Swap Controller 1 - - - Surface Mount SOT-23 5 2.9 x 1.6 x 1.15mm - - - +125 °C -
RS Stock No. 709-2668
Mfr. Part No.UCC25600D
HK$10.75
Each
units
- 2 DC-DC - - Surface Mount SOIC 8 4.9 x 3.91 x 1.58mm - - 18 V +125 °C -
RS Stock No. 921-6888
Mfr. Part No.LM3150MHE/NOPB
HK$23.003
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. 145-7654
Mfr. Part No.LM25085MM/NOPB
HK$8.425
Each (On a Reel of 1000)
units
Buck Controller 1 DC-DC 1 MHz - Surface Mount VSSOP 8 3.1 x 3.1 x 0.95mm - - 42 V +125 °C 10A
RS Stock No. 535-9391
Mfr. Part No.LM3485MM/NOPB
HK$14.196
Each (In a Pack of 5)
units
Buck Controller 1 DC-DC - - Surface Mount MSOP 8 3 x 3 x 0.86mm - - 35 V +125 °C -
RS Stock No. 655-0589
Mfr. Part No.LM3489MM/NOPB
HK$18.512
Each (In a Pack of 5)
units
Buck Controller 1 DC-DC - - Surface Mount MSOP 8 3 x 3 x 0.86mm - - 35 V +125 °C -
RS Stock No. 761-5612
Mfr. Part No.LM3150MHE/NOPB
HK$34.50
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. 145-6027
Mfr. Part No.UCC25600D
HK$9.739
Each (In a Tube of 75)
units
- 2 DC-DC - - Surface Mount SOIC 8 4.9 x 3.91 x 1.58mm - - 18 V +125 °C -
RS Stock No. 162-5076
Mfr. Part No.LM3489MM/NOPB
HK$9.097
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. 824-6721
Mfr. Part No.LM25085MM/NOPB
HK$17.252
Each (In a Pack of 5)
units
Buck Controller 1 DC-DC 1 MHz - Surface Mount VSSOP 8 3.1 x 3.1 x 0.95mm - - 42 V +125 °C 10A
RS Stock No. 102-5709
Mfr. Part No.LM3485MM/NOPB
HK$6.503
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. 761-5983
Mfr. Part No.LM5085MME/NOPB
HK$24.172
Each (In a Pack of 5)
units
Buck Controller 1 DC-DC 1000 kHz - Surface Mount MSOP 8 3 x 3 x 0.86mm - - 75 V +125 °C 1.75A
RS Stock No. 921-6982
Mfr. Part No.LM5085MME/NOPB
HK$13.308
Each (On a Reel of 250)
units
Buck Controller 1 DC-DC 1000 kHz - Surface Mount MSOP 8 3 x 3 x 0.86mm - - 75 V +125 °C 1.75A
RS Stock No. 168-4093
Mfr. Part No.TPS40210DGQ
HK$18.869
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. 811-5829
Mfr. Part No.LMR10515XMFE/NOPB
HK$11.057
Each (On a Tape of 10)
units
Step Down Buck Converter 1 DC-DC 1.95 MHz - Surface Mount SOT-23 5 3.05 x 1.75 x 1.3mm - - 5.5 V +125 °C 1.5A
RS Stock No. 162-8776
Mfr. Part No.TPS2413D
HK$20.27
Each (In a Tube of 75)
units
Power Rail Controller 1 DC-DC - - Surface Mount SOIC 8 5 x 4 x 1.5mm - - 16.5 V +85 °C -
RS Stock No. 811-5844
Mfr. Part No.LMR14203XMKE/NOPB
HK$22.732
Each (In a Pack of 5)
units
Step Down Buck Controller 1 DC-DC 1.5 MHz - Surface Mount SOT-23 6 3.05 x 1.75 x 1mm - - 42 V +125 °C 300mA
RS Stock No. 422-974
Mfr. Part No.TPS40060PWP
HK$32.96
Each
units
Buck Controller 1 DC-DC - - Surface Mount HTSSOP 16 5 x 4.4 x 1.15mm - - 55 V +85 °C -
RS Stock No. 812-4343
Mfr. Part No.UCC28703DBVT
HK$11.176
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 -