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. 122-7212
    Mfr. Part No.SR05S09
    BrandXP Power
    £5.43
    Each
    Units
    11 → 34V dc 9V dc 1 500mA 4.5W Through Hole SIP -40°C +85°C 96% 4.5Mh ±0.6% ±0.5% 60mV Pk-Pk
    RS Stock No. 167-2768
    Mfr. Part No.SR05S09
    BrandXP Power
    £195.60
    1 Tube of 40
    Tube(s)
    11 → 34V dc 9V dc 1 500mA 4.5W Through Hole SIP -40°C +85°C 96% >4.5Mh ±0.6% ±0.5% 60mV Pk-Pk
    RS Stock No. 167-2638
    Mfr. Part No.TR05S3V3
    BrandXP Power
    £194.30
    1 Tube of 40
    Tube(s)
    4.5 → 28V dc 3.3V dc 1 500mA 1.65W Through Hole SIP -40°C +85°C 89% >4Mh ±0.8% ±0.5% 60mV Pk-Pk
    RS Stock No. 122-7225
    Mfr. Part No.TR05S3V3
    BrandXP Power
    £4.65
    Each
    Units
    4.5 → 28V dc 3.3V dc 1 500mA 1.65W Through Hole SIP -40°C +85°C 89% 4Mh ±0.8% ±0.5% 60mV Pk-Pk
    RS Stock No. 167-2637
    Mfr. Part No.TR05S05
    BrandXP Power
    £102.40
    1 Tube of 40
    Tube(s)
    7 → 28V dc 5V dc 1 500mA 2.5W Through Hole SIP -40°C +85°C 92% >4Mh ±0.8% ±0.5% 60mV Pk-Pk
    RS Stock No. 122-7222
    Mfr. Part No.TR05S05
    BrandXP Power
    £2.84
    Each
    Units
    7 → 28V dc 5V dc 1 500mA 2.5W Through Hole SIP -40°C +85°C 92% 4Mh ±0.8% ±0.5% 60mV Pk-Pk
    RS Stock No. 122-7211
    Mfr. Part No.SR05S05
    BrandXP Power
    £5.43
    Each
    Units
    6.5 → 34V dc 5V dc 1 500mA 2.5W Through Hole SIP -40°C +85°C 94% 4.5Mh ±0.6% ±0.5% 60mV Pk-Pk
    RS Stock No. 167-2764
    Mfr. Part No.SR05S05
    BrandXP Power
    £195.60
    1 Tube of 40
    Tube(s)
    6.5 → 34V dc 5V dc 1 500mA 2.5W Through Hole SIP -40°C +85°C 94% >4.5Mh ±0.6% ±0.5% 60mV Pk-Pk
    RS Stock No. 161-9073
    Mfr. Part No.TR05S12
    BrandXP Power
    £102.40
    1 Tube of 40
    Tube(s)
    14 → 28V dc 12V dc 1 500mA 6W Through Hole SIP -40°C +85°C 94% >4Mh ±0.8% ±0.5% 60mV Pk-Pk
    RS Stock No. 122-7223
    Mfr. Part No.TR05S12
    BrandXP Power
    £2.84
    Each
    Units
    14 → 28V dc 12V dc 1 500mA 6W Through Hole SIP -40°C +85°C 94% 4Mh ±0.8% ±0.5% 60mV Pk-Pk
    RS Stock No. 122-4610
    Mfr. Part No.STR05S05
    BrandXP Power
    £6.58
    Each
    Units
    6.5 → 32V dc 5V dc 1 500mA 2.5W Surface Mount SMD -40°C +100°C 86% 2Mh ±0.6% ±0.4% 30mV Pk-Pk
    RS Stock No. 167-1975
    Mfr. Part No.STR05S05
    BrandXP Power
    £61.90
    1 Tube of 10
    Tube(s)
    6.5 → 32V dc 5V dc 1 500mA 2.5W Surface Mount SMD -40°C +100°C 86% 2Mh ±0.6% ±0.4% 30mV Pk-Pk
    RS Stock No. 122-7219
    Mfr. Part No.SR10S05
    BrandXP Power
    £6.05
    Each
    Units
    6.5 → 18V dc 5V dc 1 1A 5W Through Hole SIP -40°C +60°C 93% 4.5Mh ±0.6% ±0.5% 60mV Pk-Pk
    RS Stock No. 167-2719
    Mfr. Part No.SR05S12
    BrandXP Power
    £195.60
    1 Tube of 40
    Tube(s)
    15 → 34V dc 12V dc 1 500mA 6W Through Hole SIP -40°C +85°C 96% >4.5Mh ±0.6% ±0.5% 60mV Pk-Pk
    RS Stock No. 122-7213
    Mfr. Part No.SR05S12
    BrandXP Power
    £5.43
    Each
    Units
    15 → 34V dc 12V dc 1 500mA 6W Through Hole SIP -40°C +85°C 96% 4.5Mh ±0.6% ±0.5% 60mV Pk-Pk
    RS Stock No. 122-7218
    Mfr. Part No.SR05S7V2
    BrandXP Power
    £5.43
    Each
    Units
    9 → 34V dc 7.2V dc 1 500mA 3.6W Through Hole SIP -40°C +85°C 95% 4.5Mh ±0.6% ±0.5% 60mV Pk-Pk
    RS Stock No. 167-2763
    Mfr. Part No.SR10S05
    BrandXP Power
    £217.60
    1 Tube of 40
    Tube(s)
    6.5 → 18V dc 5V dc 1 1A 5W Through Hole SIP -40°C +60°C 93% >4.5Mh ±0.6% ±0.5% 60mV Pk-Pk
    RS Stock No. 167-2767
    Mfr. Part No.SR05S7V2
    BrandXP Power
    £195.60
    1 Tube of 40
    Tube(s)
    9 → 34V dc 7.2V dc 1 500mA 3.6W Through Hole SIP -40°C +85°C 95% >4.5Mh ±0.6% ±0.5% 60mV Pk-Pk
    RS Stock No. 122-7216
    Mfr. Part No.SR05S3V3
    BrandXP Power
    £5.43
    Each
    Units
    4.75 → 34V dc 3.3V dc 1 500mA 1.65W Through Hole SIP -40°C +85°C 91% 4.5Mh ±0.6% ±0.5% 60mV Pk-Pk
    RS Stock No. 161-9240
    Mfr. Part No.SR05S3V3
    BrandXP Power
    £195.60
    1 Tube of 40
    Tube(s)
    4.75 → 34V dc 3.3V dc 1 500mA 1.65W Through Hole SIP -40°C +85°C 91% >4.5Mh ±0.6% ±0.5% 60mV Pk-Pk