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. 121-7951
Mfr. Part No.NCP1090DBRG
MYR3.215
Each (On a Reel of 4000)
units
Interface Controller 1 DC-DC - - Surface Mount TSSOP 8 4.5 x 3.1 x 0.95mm - - 57 V +85 °C 5mA
RS Stock No. 124-5346
Mfr. Part No.NCP1081DEG
MYR10.837
Each (In a Tube of 74)
units
Buck Controller, Flyback Controller 1 DC-DC 500 kHz - Surface Mount TSSOP 20 6.6 x 4.5 x 0.95mm - - 57 V +85 °C -
RS Stock No. 821-5106
Mfr. Part No.NCP1090DBRG
MYR4.455
Each (In a Pack of 10)
units
Interface Controller 1 DC-DC - - Surface Mount TSSOP 8 4.5 x 3.1 x 0.95mm - - 57 V +85 °C 5mA
RS Stock No. 775-2947
Mfr. Part No.NCP1081DEG
MYR13.66
Each (In a Pack of 2)
units
Buck Controller, Flyback Controller 1 DC-DC 500 kHz - Surface Mount TSSOP 20 6.6 x 4.5 x 0.95mm - - 57 V +85 °C -
RS Stock No. 145-3703
Mfr. Part No.NCP1090DG
MYR5.15
Each (In a Tube of 96)
units
Interface Controller 1 DC-DC - - Surface Mount SOIC 8 5 x 4 x 1.5mm - - 57 V +85 °C 5mA
RS Stock No. 802-2118
Mfr. Part No.NCP1083DEG
MYR11.90
Each (In a Pack of 2)
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. 123-8827
Mfr. Part No.NCP43080DDR2G
MYR3.675
Each (In a Pack of 10)
units
Synchronous Rectifier Controller 1 AC-DC 500 kHz - Surface Mount SOIC 8 5 x 4 x 1.5mm - - 25 V +125 °C -4 A, 8A
RS Stock No. 163-2568
Mfr. Part No.NCP43080DDR2G
MYR1.48
Each (On a Reel of 2500)
units
Synchronous Rectifier Controller 1 AC-DC 500 kHz - Surface Mount SOIC 8 5 x 4 x 1.5mm - - 25 V +125 °C -4 A, 8A
RS Stock No. 121-7887
Mfr. Part No.NCP81245MNTXG
MYR10.55
Each (In a Pack of 5)
units
Phase Controller - DC-DC 1200 kHz - Surface Mount QFN 52 6 x 6 x 0.95mm - - - +100 °C -
RS Stock No. 161-2611
Mfr. Part No.NIS5232MN1TXG
MYR1.72
Each (On a Reel of 3000)
units
Power Conversion 1 AC-DC 1 MHz - Surface Mount DFN 10 3 x 3 x 0.95mm - - 18 V +150 °C -
RS Stock No. 516-5629
Mfr. Part No.UAA2016PG
MYR6.96
Each
units
Zero Voltage Switching Triac 1 AC-DC - - Through Hole PDIP 8 10.16 x 6.6 x 3.44mm - - -8 V +85 °C 150mA
RS Stock No. 185-8169
Mfr. Part No.TPS2399DMT7G
MYR5.312
Each (On a Reel of 3000)
units
Negative Voltage Hot Swap Controller 1 - - - Surface Mount MSOP 8 3.1 x 3.1 x 0.95mm - - -80 V +85 °C -
RS Stock No. 166-1715
Mfr. Part No.FPF2123
MYR1.018
Each (On a Reel of 3000)
units
Load Share Controller - - - - Surface Mount SOT-23 5 - - - 5.5 V - -
RS Stock No. 161-2643
Mfr. Part No.NCP4305DDR2G
MYR5.07
Each (In a Pack of 10)
units
Synchronous Rectifier Controller 1 AC-DC 500 kHz - Surface Mount SOIC 8 5 x 4 x 1.5mm - - 9.4 V +125 °C 8A
RS Stock No. 126-3184
Mfr. Part No.NCP1399ACDR2G
MYR6.208
Each (In a Pack of 5)
units
Resonant Mode Controller 1 AC-DC 750 kHz - Surface Mount SOIC 16 10 x 3.9 x 1.5mm - - 60 V +150 °C 7mA
RS Stock No. 170-3379
Mfr. Part No.NCP1399AADR2G
MYR3.453
Each (On a Reel of 2500)
units
Resonant Mode Controller 1 AC-DC 750 kHz - Surface Mount SOIC 16 10 x 3.9 x 1.5mm - - 60 V +150 °C 7mA
RS Stock No. 161-2620
Mfr. Part No.NCP1034DR2G
MYR6.288
Each (On a Reel of 2500)
units
Buck Controller 1 DC-DC 500 kHz - Surface Mount SOIC 16 10 x 4 x 1.5mm - - 18 V +125 °C 2A
RS Stock No. 185-9138
Mfr. Part No.TPS2398DMT7G
MYR9.995
Each (In a Pack of 4)
units
Negative Voltage Hot Swap Controller 1 - - - Surface Mount MSOP 8 3.1 x 3.1 x 0.95mm - - -80 V +85 °C -
RS Stock No. 163-0063
Mfr. Part No.NCP1092DRG
MYR3.465
Each (On a Reel of 3000)
units
Interface Controller 1 DC-DC - - Surface Mount SOIC 8 5 x 4 x 1.5mm - - 57 V +85 °C 5mA
RS Stock No. 162-8986
Mfr. Part No.NCP1083DEG
MYR10.10
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