AP3103A Overview
The AP3103A is a low startup current, current mode PWM controller with green-mode power-saving operation. The PWM switching frequency at normal operation is externally programmable and is trimmed to a tight range. The dithering of frequency will also improve the EMI.
AP3103A Key Features
- Very Low Start-up Current
- Current Mode Control
- Non-audible-noise Green-mode Control
- Skip Mode Adjustable
- Internal Slope pensation
- Soft Start During Startup Process
- Frequency Fold Back for High Average Efficiency
- Secondary Short Winding Protection with FOCP
- Soft Switching for Reducing EMI
- VCC Maintain Mode
