Parameters Subject to Change Without Notice
Offline Step-down LED Regulator
With PFC and High Voltage MOSFET
The JW1769A/B/C is a constant current LED
regulator with high current accuracy which
applies to single stage step-down power factor
corrected LED drivers.600V power MOS is
integrated, which can significantly simplify the
design of LED lighting system.
High accuracy of output current is achieved by
sampling the output current directly. Critical
conduction mode operation reduces the switching
losses and largely increases the efficiency.
JW1769A/B/C is supplied from the output directly,
and auxiliary winding is not needed.
JW1769A/B/C has multi-protection functions
which largely enhance the safety and reliability of
the system, including VCC over-voltage
protection, VCC UVLO, short-circuit protection,
LED open protection, cycle-by-cycle current limit
and over-temperature protection.
No auxiliary winding
600V high voltage MOSFET integrated
High current accuracy of line and load
High power factor with low output
Critical conduction mode
High efficiency over wide operating range
Cycle-by-cycle current limit
LED short protection
LED open protection
Compact SOP7 package
Non-isolation Offline LED driver