Part Number : CR6842
Function : Green-Power PWM Controller
Package : DIP, SOP 8 Pin Type
Maker : Chengdu Chip-Rail Tech
Pinouts : 
Description :
The CR6842 is a low startup current , low cost, current mode PWM controller with Green-Power & burst-mode power-saving operation. The integrated functions such as the leading-edge blanking of the current sensing, internal slope compensation provide the users a high efficiency, low external component counts, and low cost solution for AC/DC power applications.
Block Diagram
1. Low Cost, Green-Power Burst-Mode PWM
2. Very Low Start-up Current ( about 7.5μA)
3. Low Operating Current ( about 3.0mA)
4. Current Mode Operation
5. Under Voltage Lockout (UVLO)
6. VDD Over Voltage Protection(OVP)
Datasheet PDF Download : 
Others datasheet of same file : CR-6842