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.
- Very Low Start-up Current
- Current Mode Control
- Non-audible-noise Green-mode Control
- Skip Mode Adjustable
- Internal Slope Compensation
- 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
