Part Number : SD6834
Function :Built-in high-voltage MOSFET current-mode PWM + PFM Controller Series
Manufacturer : Silan Microelectronics
Pinout : 
Description
SD6834 is built for high-voltage MOSFET switching power supply external sense resistor.
The current mode PWM + PFM controller family.
The circuit is low standby power consumption, low starting current.
Official Site : SD6834 information
Datasheet PDF Download
Other datasheets in the file : SD6834