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. 190-8207
    Mfr. Part No.MAX17504ATP+T
    £2.92
    Each (In a Pack of 2)
    Units
    4.5 → 60V dc 4.75 → 5.25V dc 1 3A - Surface Mount - -40°C +125°C 90% - - - -
    RS Stock No. 190-4533
    Mfr. Part No.MAX756CSA+
    £2.244
    Each (In a Tube of 100)
    Units
    2.5V dc 4.8 → 5.2V dc 1 - - Surface Mount - 0°C +70°C 87% - - - -
    RS Stock No. 190-7984
    Mfr. Part No.MAX853ESA+
    £3.00
    Each (In a Pack of 2)
    Units
    5 → 10V dc -4.2 → -4V dc 1 5mA - Surface Mount - -40°C +85°C - - - - -
    RS Stock No. 190-7937
    Mfr. Part No.MAX15005AAUE+
    £2.322
    Each (In a Pack of 5)
    Units
    4.5 → 40V dc 7.15 → 7.6V dc 1 100mA - Surface Mount - -40°C +125°C - - - - -
    RS Stock No. 190-4534
    Mfr. Part No.MAX770ESA+
    £2.636
    Each (In a Tube of 100)
    Units
    2 → 16.5V dc 14.4 → 15.6V dc 1 - 15W Surface Mount - -40°C +85°C 90% - - - -
    RS Stock No. 190-4477
    Mfr. Part No.MAX15062AATA+T
    £0.99
    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 - -
    RS Stock No. 190-7874
    Mfr. Part No.MAX15062BATA+T
    £1.686
    Each (In a Pack of 5)
    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. 214-9147
    Mfr. Part No.MAX17701ATG+
    £3.08
    Each (In a Pack of 2)
    Units
    4.5 → 50V dc 1.25 → 4V dc 3 135mA 2.222W - - - - - - - - -
    RS Stock No. 190-4489
    Mfr. Part No.MAX1682EUK+T
    £0.641
    Each (On a Reel of 2500)
    Units
    2 → 5.5V dc 12V dc 1 45mA - Surface Mount - -40°C +85°C 99.9 (Typ.)% - - - -
    RS Stock No. 190-8017
    Mfr. Part No.MAX860IUA+
    £1.684
    Each (In a Pack of 5)
    Units
    1.5 → 5.5V dc 2.5 → 5.5V dc 1 100mA - Surface Mount - -25°C +85°C 99.9 (Typ.)% - - - -
    RS Stock No. 190-4535
    Mfr. Part No.MAX774CSA+
    £2.372
    Each (In a Tube of 100)
    Units
    3 → 16.5V dc -4.8 → -5.2V dc 1 125mA 5W Surface Mount - 0°C +70°C 82 (Typ.)% - - - -
    RS Stock No. 190-4522
    Mfr. Part No.MAX639ESA+
    £3.479
    Each (In a Tube of 100)
    Units
    4 → 11.5V dc 4.8 → 5.2V dc 1 225mA - Surface Mount - -40°C +85°C 94 (Typ.)% - - - -
    RS Stock No. 190-4478
    Mfr. Part No.MAX15062BATA+T
    £0.99
    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 - -
    RS Stock No. 190-4503
    Mfr. Part No.MAX17503ATP+
    £2.43
    Each (In a Tube of 75)
    Units
    4.5 → 60V dc 4.75 → 5.25V dc 1 2.5A - Surface Mount - -40°C +125°C >90% - - - -
    RS Stock No. 190-8023
    Mfr. Part No.MAX861IUA+
    £1.636
    Each (In a Pack of 5)
    Units
    1.5 → 5.5V dc 2.5 → 5.5V dc 1 100mA - Surface Mount - -25°C +85°C 99.9 (Typ.)% - - - -
    RS Stock No. 190-8224
    Mfr. Part No.MAX5033DASA+
    £2.088
    Each (In a Pack of 5)
    Units
    7.5 → 76V dc - - 500mA - Surface Mount - -40°C +125°C 94 (Typ.)% - - - -
    RS Stock No. 190-4547
    Mfr. Part No.MAX860ESA+
    £1.235
    Each (In a Tube of 100)
    Units
    1.5 → 5.5V dc 2.5 → 5.5V dc 1 100mA - Surface Mount - -40°C +85°C 99.9 (Typ.)% - - - -
    RS Stock No. 190-4472
    Mfr. Part No.ICL7662EBD+
    £2.96
    Each (In a Tube of 50)
    Units
    4.5 → 20V dc -4.5 → -20V dc 1 20mA - Surface Mount - -40°C +85°C 99.9 (Typ.)% - - - -
    RS Stock No. 190-8125
    Mfr. Part No.MAX1683EUK+T
    £1.166
    Each (In a Pack of 5)
    Units
    2 → 5.5V dc 12V dc 1 45mA - Surface Mount - -40°C +85°C 99.9 (Typ.)% - - - -
    RS Stock No. 190-4527
    Mfr. Part No.MAX669EUB+
    £2.582
    Each (In a Tube of 50)
    Units
    1.8 → 28V dc 4.5 → 5.5V dc 1 20mA - Surface Mount - -40°C +85°C 90% - - 0.012% -