Non-isolated buck LED lighting drive IC with low power and high constant current accuracy
DESCRIPTION
SD670XSC is designed for non-isolated LED driving with Buck structure,high constant current accuracy and high linear/load regulation available with assistant of special sense technology.
SD670XSC integrated various protections,such as output open/short circuit protection,cycly-by-cycle current limit protection and over temperature protection.
The start-up current and operating current are low and lighlight LED can be driven with high efficiency in full range(85VAC-265VAC) .
SD670XSC integrates high voltage power MOSFET,reducing the system cost and the whole volume.
FEATURES
**Built-in 500V high voltage power MOSFET
**Constant current with high accuracy for LED (<+-3%)
**Output open/short circuit protection
**CS open/short circuit protection
**VCC undervoltage protection
**Over temperature protection
**Cycle-by-cycle current protection
**No ansiliary winding
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