What is the difference between diode rectification and synchronous rectification?
What is the difference between diode rectification and synchronous rectification?
DC/DC Switching Regulators
Nisshinbo Micro Device's step-down DCDC converters use diode rectifier and synchronous rectifier.
The diode rectifier type uses a schottky diode and the synchronous rectifier type uses a MOS transistor in the low-side switches.
The high-side and low-side MOS transistors are built in most of the Nisshinbo Micro Device's DCDC converters except for the R1242, which uses synchronous rectifier and an external low-side MOS transistor.
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R1240 (Diode Rectifier Type)
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RP500 (Synchronous Rectifier Type)
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