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. 145-6043
Mfr. Part No.LTC1643ALCGN#PBF
$11.604
Each (In a Tube of 100)
units
Hot Swap Controller 2 - - - Surface Mount SSOP 16 4.978 x 3.988 x 1.478mm - - - +70 °C -
RS Stock No. 822-5724
Mfr. Part No.LTC3778EF#PBF
$12.96
Each
units
Step Down 1 DC-DC 550 kHz - Surface Mount TSSOP 20 6.6 x 4.48 x 0.95mm - - 36 V +85 °C 20A
RS Stock No. 162-7912
Mfr. Part No.TPS23757PW
$6.228
Each (In a Tube of 70)
units
Converter 1 DC-DC 278 kHz - Surface Mount TSSOP 20 6.6 x 4.5 x 1.05mm - - 57 V +125 °C -
RS Stock No. 811-5844
Mfr. Part No.LMR14203XMKE/NOPB
$4.096
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. 811-5664
Mfr. Part No.LM5050MK-1/NOPB
$3.14
Each (In a Pack of 10)
units
- - DC-DC - - Surface Mount SOT 6 - - - - - -
RS Stock No. 121-9290
Mfr. Part No.LM5088MH-1/NOPB
$4.998
Each (In a Tube of 92)
units
Buck Controller, Non-Synchronous 1 DC-DC 1000 kHz - Surface Mount TSSOP 16 5 x 4.4 x 0.8mm - - 75 V +125 °C -
RS Stock No. 823-9332
Mfr. Part No.UCC28910D
$2.526
Each (In a Pack of 5)
units
Flyback Controller 1 AC-DC 125 kHz - Surface Mount SOIC 7 5 x 4 x 1.5mm - - 30 V +125 °C 1.26A
RS Stock No. 620-0824
Mfr. Part No.TPS23750PWP
$5.86
Each
units
- - DC-DC - - Surface Mount HTSSOP 20 6.5 x 4.4 x 1.15mm - - - +85 °C -
RS Stock No. 919-9547
Mfr. Part No.LTC4412IS6#TRMPBF
$3.823
Each (On a Reel of 500)
units
Power Path Controller - - - - Surface Mount TSOT-23 6 - - - 28 V - -
RS Stock No. 921-6995
Mfr. Part No.LM5116MH/NOPB
$12.358
Each (In a Tube of 73)
units
Buck Controller, Synchronous 1 DC-DC 1000 kHz - Surface Mount TSSOP 20 6.5 x 4.4 x 0.8mm - - - +125 °C -
RS Stock No. 661-8486
Mfr. Part No.TPS40055PWP
$9.58
Each
units
Buck Controller 1 DC-DC - - Surface Mount HTSSOP 16 5 x 4.4 x 1.15mm - - 40 V +85 °C -
RS Stock No. 471-499
Mfr. Part No.LT3479EFE#PBF
$11.62
Each
units
Boost Controller 1 DC-DC 4100 kHz - Surface Mount TSSOP 16 5.1 x 4.5 x 0.95mm - - 24 V +85 °C 3A
RS Stock No. 858-0781
Mfr. Part No.LTC4355CS#PBF
$10.18
Each (In a Pack of 2)
units
Load Share Controller - - - - Surface Mount SOIC 16 - - - 80 V - -
RS Stock No. 162-7913
Mfr. Part No.TPS2378DDA
$2.94
Each (In a Tube of 75)
units
Converter 1 DC-DC - - Surface Mount SOIC 8 5 x 4 x 1.55mm - - 57 V +85 °C -
RS Stock No. 761-4909
Mfr. Part No.LM25085AMME/NOPB
$3.608
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. 179-3299
Mfr. Part No.ISL68300IRAZ-T7A
$18.145
Each (In a Pack of 2)
units
Controller 1 DC-DC 1 MHz - Surface Mount QFN 24 4 x 4 x 0.85mm - - 16 V +85 °C 40mA
RS Stock No. 158-5327
Mfr. Part No.INN3162C-H101-TL
$0.99
Each (On a Reel of 2000)
units
Flyback Controller 1 DC-DC 90 kHz - Surface Mount InSOP-24D 16 9.4 x 10.8 x 1.45mm - - 265 V +150 °C -
RS Stock No. 162-6182
Mfr. Part No.LM25085AMME/NOPB
$2.436
Each (On a Reel of 250)
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. 165-9781
Mfr. Part No.TEA1733T/N1,118
BrandNXP
$0.864
Each (On a Reel of 2500)
units
SMPS Controller 1 DC-DC 71 kHz - Surface Mount SOIC 8 5 x 4 x 1.45mm - - 30 V +150 °C -
RS Stock No. 919-9452
Mfr. Part No.LTC1872ES6#TRMPBF
$5.204
Each (On a Reel of 500)
units
Boost Controller 1 DC-DC 550 kHz - Surface Mount SOT-23 6 3 x 1.75 x 1.3mm - - 9.8 V +85 °C 1A