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. 145-1164
Mfr. Part No.TPS51116PWP
TWD83.40
Each (In a Tube of 70)
units
Buck Controller 1 DC-DC 400 kHz - Surface Mount HTSSOP 20 6.6 x 4.5 x 1.05mm - - 28 V +85 °C 10A
RS Stock No. 900-9961
Mfr. Part No.UCC28730D
TWD53.20
Each (In a Pack of 5)
units
Flyback Controller 1 DC-DC 90 kHz - Surface Mount SOIC 7 5 x 4 x 1.5mm - - 264 V +125 °C 2.2A
RS Stock No. 822-6761
Mfr. Part No.LTC4425EMSE#PBF
TWD217.50
Each (In a Pack of 2)
units
Capacitor Charger Controller - DC-DC - - Surface Mount MSOP 12 4.039 x 3 x 0.9984mm - - - +125 °C -
RS Stock No. 786-9856
Mfr. Part No.LTC1625IS#PBF
TWD486.00
Each
units
Buck Controller 1 DC-DC 165 kHz - Surface Mount SOIC 16 4.978 x 3.988 x 1.478mm - - 36 V +85 °C 2A
RS Stock No. 102-5708
Mfr. Part No.LM3478MM/NOPB
TWD39.40
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. 168-5882
Mfr. Part No.ICE3B0565JFKLA1
BrandInfineon
TWD65.80
Each (In a Tube of 50)
units
SMPS Current Mode - AC-DC 76 kHz - Through Hole PDIP 8 9.77 x 6.6 x 4.8mm - - 26 V +150 °C -
RS Stock No. 110-7742
Mfr. Part No.ICE3B0565JFKLA1
BrandInfineon
TWD69.90
Each (In a Pack of 10)
units
SMPS Current Mode - AC-DC 76 kHz - Through Hole PDIP 8 9.77 x 6.6 x 4.8mm - - 26 V +150 °C -
RS Stock No. 714-0653
Mfr. Part No.L6565D
TWD32.50
Each (In a Pack of 2)
units
- 1 - - 4mm Surface Mount SOIC 8 - 5mm 1.25mm - +150 °C -
RS Stock No. 133-0668
Mfr. Part No.LM5025DMTC/NOPB
TWD107.00
Each (In a Pack of 2)
units
PWM Controller 2 DC-DC 650 kHz - Surface Mount TSSOP 16 5.1 x 4.5 x 1.05mm - - 90 V +125 °C 1 A, 3A
RS Stock No. 162-9808
Mfr. Part No.LM5175PWPT
TWD174.70
Each (On a Reel of 250)
units
Bulk Boost Controller 1 DC-DC 220 kHz, 565 kHz - Surface Mount HTSSOP 28 9.8 x 4.5 x 1.05mm - - 42 V +125 °C -
RS Stock No. 145-6087
Mfr. Part No.BQ51013ARHLT
TWD111.60
Each (On a Reel of 250)
units
Power Supply Receiver 1 DC-DC - - Surface Mount VQFN 20 4.65 x 3.65 x 0.95mm - - 10 V +125 °C 1.5A
RS Stock No. 761-4909
Mfr. Part No.LM25085AMME/NOPB
TWD80.00
Each (On a Tape of 5)
units
Buck Controller 1 DC-DC 1000 kHz - Surface Mount MSOP 8 3 x 3 x 0.86mm - - 42 V +125 °C 1.75A
RS Stock No. 145-3703
Mfr. Part No.NCP1090DG
TWD47.10
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. 851-4695
Mfr. Part No.LTC4358IDE#PBF
TWD233.00
Each (In a Pack of 2)
units
Load Share Controller - - - - Surface Mount DFN 14 - - - 26.5 V - -
RS Stock No. 154-7662
Mfr. Part No.LTC4267CGN#PBF
TWD107.80
Each (In a Tube of 100)
units
Hot Swap Controller 1 - - - Surface Mount SSOP 16 4.978 x 3.988 x 1.501mm - - - +70 °C -
RS Stock No. 661-8449
Mfr. Part No.TL1451ACPW
TWD73.00
Each
units
PWM Controller 2 DC-DC - - Surface Mount TSSOP 16 5 x 4.4 x 1.15mm - - 50 V +85 °C 20mA
RS Stock No. 809-1338
Mfr. Part No.VIPER06HS
TWD27.30
Each (In a Pack of 10)
units
PWM Controller 1 AC-DC 115 kHz - Surface Mount SSOP 10 5 x 4 x 1.5mm - - 23.5 V +150 °C -
RS Stock No. 121-9337
Mfr. Part No.LM3478MA/NOPB
TWD85.80
Each (In a Tube of 95)
units
Step Up Controller 1 DC-DC 1 MHz - Surface Mount SOIC 8 5 x 4 x 1.5mm - - 40 V +125 °C 1A
RS Stock No. 155-7570
Mfr. Part No.LTC4210-1IS6#TRMPBF
TWD101.70
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. 821-5128
Mfr. Part No.NCP1092DRG
TWD52.20
Each (In a Pack of 10)
units
Interface Controller 1 DC-DC - - Surface Mount SOIC 8 5 x 4 x 1.5mm - - 57 V +85 °C 5mA