The SKY87250 μSwitcher step-down converter from Skyworks delivers up to 400 mA to support an adjustable 0,6 V to VIN output from a 2,7 V to 5,5 V input supply. It maintains a low 40 μA no-load quiescent current and its 2 MHz switching frequency minimises the output capacitance requirement while keeping switching losses low.
The device’s feedback and control deliver excellent load regulation and transient response with a small output capacitor and it maintains high efficiency throughout the load range. A unique low-noise light-load architecture produces reduced ripple and spectral noise. Over-temperature and short-circuit protection safeguard the SKY87250 and system components from damage.
The 8-pin, 2,4 x 2,4 mm DLN package converter footprint, integrated inductor and minimal capacitance requirements make the IC ideal for compact designs.
Analysis of switch-mode power supply: inductor violations Altron Arrow
Editor's Choice Power Electronics / Power Management
Common switch-mode power supply (SMPS) design errors are discussed, and their appropriate rectification is specified, with details on complications that arise with the power stage design of DC-DC switching regulators.
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Power Electronics / Power Management
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Power Electronics / Power Management
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The LIR40-40 is a wide input range DC-DC module, with a constant output of 48 V at a nominal output current of up to 40 A.
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Power Electronics / Power Management
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