HV9912 Key Features
- Switch mode controller for single switch drivers
- Buck-boost and SEPIC
- Works with high side current sensors
- Closed loop control of output current
- High PWM dimming ratio
- Internal 90V linear regulator (can be extended using external zener diodes)
- Internal 2% voltage reference (0°C < TA < 85°C)
- Constant frequency operation
- Programmable slope pensation
- Linear & PWM dimming