NCP1212 Description
NCP1212 Current Mode PWM Controller for Both Forward and Flyback Converters NCP1212 is a high performance current mode PWM controller specifically designed for off--line and DC--to--DC converter applications. The device requires very few external ponents and offers designer additional protection for better system reliability.
NCP1212 Key Features
- Trimmed Oscillator Charge and Discharge Current for Precise Duty
- Internal High Accuracy Bandgap Voltage Reference
- Current Mode Operation up to 200 kHz
- Inherent Feed Forward pensation
- Latching PWM for Cycle--by--Cycle Current Limiting
- High Current Totem Pole Output Gate Driver
- Low Startup and Operating Current
- Internal Undervoltage Lockout with Hysteresis
- Internal Leading Edge Blanking for Current Feedback
- Direct Interface with Optocoupler for Secondary Sensing