NCP1360 Overview
Low Power Offline Constant Current & Constant Voltage Primary Side PWM Current-Mode Controller with/without High Voltage Startup Current Source NCP1360, NCP1365 The NCP1360/65 offers a new solution targeting output power levels from a few watts up to 20 W in a universal−mains flyback application. Thanks to a novel method this new controller saves the secondary feedback circuitry (opto−coupler and TL431 reference)...
NCP1360 Key Features
- Primary-Side Feedback Eliminates Opto-coupler and TL431
- ±5% Voltage Regulation
- ±10% Current Regulation
- 560 V Startup Current Source
- No Frequency Clamp, 80 or 110 kHz Maximum Switching
- Quasi-Resonant Operation with Valley Switching Operation
- Fixed Peak Current & Deep Frequency Foldback @ Light Load
- External Constant Voltage Feedback Adjustment
- Cycle by Cycle Peak Current Limit
- Build-In Soft-Start
NCP1360 Applications
- Low Power ac−dc Adapters for Chargers
- Ac−dc USB chargers for Cell Phones