Features:
- Direct drive of low cost BJT.
- Fast dynamic response.
- Wide VDD operating range (7V to 31V).
- Less than 70mW standby power.
- Proprietary NC-Cap/PSR TM (primary side regulation) control without External Compensation/ Filtering Capacitor needed.
- 30KHz max. frequency clamping @output short circuit.
- ±5% constant current (CC) and constant voltage (CV) regulation at universal AC input.
- Proprietary cable voltage drop compensation in CV mode.
- Compensate for line voltage variation.
- Compensate for transformer inductance tolerances.
- All pins floating protection.
- Cycle-by-cycle current limiting.
- Built-in leading edge blanking (LEB).
- Built-in soft start.
- Output over voltage protection.
- VDD OVP & clamp.
- VDD under voltage lockout (UVLO).
Applications:
- Battery chargers for cellular phones, cordless phones, PAD, digital cameras, etc.
- Replaces linear transformer and RCC SMPS.
- Small power adapter.
- AC/DC LED lighting.