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2. Switched-mode power supply - Wikipedia

   en.wikipedia.org/wiki/Switched-mode_power_supply

   Stand-alone switched-mode power supply An adjustable switched-mode power supply for laboratory use. A switched-mode power supply (SMPS), also called switching-mode power supply, switch-mode power supply, switched power supply, or simply switcher, is an electronic power supply that incorporates a switching regulator to convert electrical power efficiently.

3. Boost converter - Wikipedia

   en.wikipedia.org/wiki/Boost_converter

   For high efficiency, the switched-mode power supply (SMPS) switch must turn on and off quickly and have low losses. The advent of a commercial semiconductor switch in the 1950s represented a major milestone that made SMPSs such as the boost converter possible. The major DC to DC converters were developed in the early 1960s when semiconductor ...

4. Buck converter - Wikipedia

   en.wikipedia.org/wiki/Buck_converter

   Switch-Mode Power Supply Tutorial - Detailed article on DC-DC converters which gives a more formal and detailed analysis of the Buck including the effects of non-ideal switching (but, note that the diagram of the buck-boost converter fails to account for the inversion of the polarity of the voltage between input and output).

5. Power supply unit (computer) - Wikipedia

   en.wikipedia.org/wiki/Power_supply_unit_(computer)

   In order to reduce power consumption of regulation (and thus to remain thermally feasible), these regulators are of switch-mode power supply design [citation needed]. To keep conduction losses at bay, it is desirable to transport the same power on the higher-voltage +12 V rail at lower current, instead of on +5V at higher current.

6. Buck–boost converter - Wikipedia

   en.wikipedia.org/wiki/Buck–boost_converter

   This is a switched-mode power supply with a similar circuit configuration to the boost converter and the buck converter. The output voltage is adjustable based on the duty cycle of the switching transistor. One possible drawback of this converter is that the switch does not have a terminal at ground; this complicates the driving circuitry.

7. Power supply - Wikipedia

   en.wikipedia.org/wiki/Power_supply

   A modern computer power supply is a switch-mode power supply that converts AC power from the mains supply, to several DC voltages. Switch-mode supplies replaced linear supplies due to cost, weight, efficiency and size improvements. The diverse collection of output voltages also have widely varying current draw requirements.

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9. Bootstrapping (electronics) - Wikipedia

   en.wikipedia.org/wiki/Bootstrapping_(electronics)

   In switch-mode power supplies, the control circuits are powered from the output. To start the power supply, a leakage resistance can be used to trickle-charge the supply rail for the control circuit to start it oscillating. This approach is less costly and simpler than providing a separate linear power supply just to start the regulator circuit ...