Switching Regulators

Switching regulators are a type of circuit that can transform voltage and input current into a voltage and an output current that is most suitable to power the system that it is producing power for. These types of circuits are also known as converters and are ideal for regulating the energy that is transferred between these two contact points to maintain a constant output voltage that is safely within the limits of the circuit. They work at a much higher conversion efficiency than linear regulators and offer the advantage of better and more cost-effective power management in the long term, as well as the fact that they often don't require external capacitors.

What are switching regulators used for?

These types of regulators are often used for single-cell or multi-cell battery-powered applications and for battery-powered portable electronic devices like digital cameras, handheld games consoles, controllers and more. The main benefit of using these switching converters instead of linear regulators is that they offer short-circuit protection and ensure over-voltage and under-voltage protection. They are also good for protecting electronic systems from over-temperature and over-current damage.

Types of switching regulators

  • Step-Up or Boost Regulators - These are the most basic type of switching regulator and are used to increase the output voltage
  • Step-Down or Buck-Boost Converters - They reduce or reverse the output voltage with respect to the input voltage

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    Description Price Input Voltage Output Voltage Number of Outputs Output Current Power Rating Mounting Type Package Minimum Temperature Maximum Temperature Efficiency MTBF Load Regulation Line Regulation Ripple And Noise
    RS Stock No. 798-7856
    Mfr. Part No.MAX634CSA+
    £4.77
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    2.3 16.5V -14.3V 1 0.15A - Surface Mount SOIC 0°C 70°C 80% - 0.5% 3% -
    RS Stock No. 798-5125
    Mfr. Part No.MAX634CSA+
    £3.529
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    2.3 16.5V dc -14.3V dc 1 150mA - Surface Mount SOIC 0°C +70°C 80% - 0.5% 3% -
    New
    RS Stock No. 190-8020
    Mfr. Part No.MAX861ISA+
    £2.194
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    1.5 5.5V dc 2.5 5.5V dc 1 100mA - Surface Mount - -25°C +85°C 99.9 (Typ.)% - - - -
    New
    RS Stock No. 190-8023
    Mfr. Part No.MAX861IUA+
    £2.184
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    1.5 5.5V dc 2.5 5.5V dc 1 100mA - Surface Mount - -25°C +85°C 99.9 (Typ.)% - - - -
    New
    RS Stock No. 190-8152
    Mfr. Part No.MAX1697UEUT+T
    £2.102
    Each (In a Pack of 5)
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    1.25 5.5V dc -0.3 0.3V dc 1 90mA - Surface Mount - -40°C +85°C 99.9 (Typ.)% - - - -
    New
    RS Stock No. 190-8053
    Mfr. Part No.MAXM17504ALJ+
    £8.65
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    4.5 60V dc 0.9 12V dc 1 3.5A - Surface Mount SIP -40°C +125°C - - - - -
    New
    RS Stock No. 190-8198
    Mfr. Part No.MAX1831EEE+
    £8.19
    Each
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    3 5.5V dc 3.28 3.38V dc 1 3A - Surface Mount - -40°C +85°C 94% - 2mV - -
    New
    RS Stock No. 190-4514
    Mfr. Part No.MAX1831EEE+
    £6.789
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    3 5.5V dc 3.28 3.38V dc 1 3A - Surface Mount - -40°C +85°C 94% - 2mV - -
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    RS Stock No. 190-4477
    Mfr. Part No.MAX15062AATA+T
    £0.986
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    4.5 60V dc 4.75 5.25V dc 1 300mA - Surface Mount - -40°C +125°C 92% - 0.936V dc - -
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    RS Stock No. 190-4490
    Mfr. Part No.MAX1683EUK+T
    £0.678
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    2 5.5V dc 12V dc 1 45mA - Surface Mount - -40°C +85°C 99.9 (Typ.)% - - - -
    New
    RS Stock No. 190-8263
    Mfr. Part No.MAX734CSA+
    £2.89
    Each (In a Pack of 2)
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    17V dc 11.64 12.6V dc 1 225 (Typ.)mA - Surface Mount - 0°C +70°C 85 (Typ.)% - - - -
    New
    RS Stock No. 190-8119
    Mfr. Part No.MAX1678EUA+
    £3.39
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    5.5V dc 3.16 3.44V dc 1 90mA - Surface Mount - -40°C +85°C 90% - - - -
    New
    RS Stock No. 190-4544
    Mfr. Part No.MAX853ESA+
    £2.346
    Each (In a Tube of 100)
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    5 10V dc -4.2 -4V dc 1 5mA - Surface Mount - -40°C +85°C - - - - -
    New
    RS Stock No. 190-4547
    Mfr. Part No.MAX860ESA+
    £1.387
    Each (In a Tube of 100)
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    1.5 5.5V dc 2.5 5.5V dc 1 100mA - Surface Mount - -40°C +85°C 99.9 (Typ.)% - - - -
    New
    RS Stock No. 190-7907
    Mfr. Part No.MAX15301AA02+CJK
    £6.59
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    4.5 14V dc 0.5 5.25V dc 1 30A - Surface Mount - -40°C +85°C - - - - -
    New
    RS Stock No. 190-8128
    Mfr. Part No.MAX1685EEE+
    £7.52
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    2.7 14V dc 3.28 3.38V dc 1 1A - Surface Mount - -40°C +85°C 96% - 15mV - -
    New
    RS Stock No. 190-8159
    Mfr. Part No.MAX17544ATP+
    £3.42
    Each (In a Pack of 2)
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    4.5 42V dc 4.75 5.25V dc 1 3.5A - Surface Mount - -40°C +125°C 90% - - - -
    New
    RS Stock No. 190-8201
    Mfr. Part No.MAX17503ATP+T
    £3.685
    Each (In a Pack of 2)
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    4.5 60V dc 4.75 5.25V dc 1 2.5A - Surface Mount - -40°C +125°C >90% - - - -
    New
    RS Stock No. 190-4478
    Mfr. Part No.MAX15062BATA+T
    £0.986
    Each (On a Reel of 2500)
    Units
    4.5 60V dc 4.75 5.25V dc 1 300mA - Surface Mount - -40°C +125°C 92% - 0.936V dc - -
    New
    RS Stock No. 190-4491
    Mfr. Part No.MAX1685EEE+
    £4.396
    Each (In a Tube of 100)
    Units
    2.7 14V dc 3.28 3.38V dc 1 1A - Surface Mount - -40°C +85°C 96% - 15mV - -