NCL30185 controller equivalent, quasi-resonant primary side current-mode controller.
PIN CONNECTIONS
1 ZCD
VCC
* Quasi−resonant Peak Current−mode Control Operation
VS DRV
* Valley Lockout Optimizes Efficiency over the Line/Load Range
* C.
* Integral LED Bulbs and Tubes
* Current Sense Short Protection
* User Programmable NTC Based Thermal Foldb.
Pin No Pin Name
Function
1
ZCD
Zero Crossing Detection
2 VS Input Voltage Sensing
3
COMP
Filtering Capacitor
4 SD Thermal Foldback and Shutdown
5 CS
Current Sense
6 GND
−
7 DRV
Driver Output
8 VCC
IC Supply Pin
Pin Description
Conn.
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