TI introduces Green Rectifier controller for 5-V power supplies
Texas Instruments introduced a new power management controller and driver for standard and logic-level N-channel MOSFETs used for low-voltage, secondary-side synchronous rectification. The UCC24610 Green Rectifier™ controller improves power supply efficiency as much as five percent, and reduces primary-side power loss in 5-volt AC/DC adapters and bias supplies.
The 600-kHz UCC24610 Green Rectifier provides power-saving features and design flexibility not available from traditional diode rectifier solutions. Its micro-sleep current, automatic light-load management and synchronous wake-up features help maximize efficiency. The UCC24610 uses drain-to-source voltage sensing to support flyback and LLC resonant converters, as well as other power architectures, to give designers greater flexibility.
Key features and benefits of UCC24610:
· Small size and minimal external component count.
· High performance and efficiency: micro-power sleep current, automatic light-load management and synchronous wake-up from light-load conditions.
· System protection: device will shut down MOSFET if short or excessive “on time” occurs.
· Design flexibility: Can be biased directly for a 5-V output without external regulator.
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