Description
Pin Name
Function
1 GND
Ground
2
CT
Oscillator Frequency Selection
3
VFB
Feedback Input
4 COMP Error Amplifier Compensation
5
OV
Line Overvoltage Shutdown
6
UV
Line Undervoltage Shutdown
7
VCC
Supply Voltage
8 VDRAIN
Power Switch and Startup Circuits
Description
Ground referen
Features
- On Chip High 200 V Power Switch Circuit and Startup Circuit.
- Internal Startup Regulator with Auxiliary Winding Override.
- Operation up to 1 MHz.
- External Frequency Synchronization Capability.
- Frequency Fold.
- down Under Fault Conditions.
- Trimmed ±2% Internal Reference.
- Line Undervoltage and Overvoltage Detectors.
- Cycle by Cycle Current Limit Using.
NCP1031 Datasheet
