Description
The PT4115 is a continuous conduction mode inductive step-down converter, designed for driving single or multiple series connected LED efficiently from a voltage source higher than the total LED chain voltage.
Features
- Simple low parts count.
- Wide input voltage range: 6V to 30V.
- Up to 1.2A output current.
- Single pin on/off and brightness control using DC
voltage or PWM.
- Up to 1MHz switching frequency.
- Typical 5% output current accuracy.
- Inherent open-circuit LED protection.
- High efficiency (up to 97%).
- High-Side Current Sense.
- Hysteretic Control: No Compensation.
- Adjustable Constant LED Current.
- ESOP8 package for large output power.