This is one of the PWM controller types.
Part Number: CR6842
Function: Green-Power PWM Controller
Manufacturer: Chip Rail
Package: DIP 8 Pin, SOP 8 Pin
See the preview image and the PDF file for more information.
CR6842 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.
Features
1. Low Cost, Green-Power Burst-Mode PWM
2. Very Low Start-up Current ( about 6μA)
3. Low Operating Current ( about 3mA)
4. Current Mode Operation
5. Under Voltage Lockout (UVLO)
6. VDD Over Voltage Protection(OVP)
7. programmable over-temperature protection
8. Internal Latch Circuit(OTP,OVP)
9. Built-in soft start with 1ms
10. Built-in Frequency jitter for better EMI Signature
11. Soft Clamped gate output voltage 16.5V
Applications
1. Power Adaptor
2. Battery Charger Adapter
3. Open Frame Switching Power Supply
4. LCD Monitor
CR6842 Datasheet PDF Download
