HV9912
HV9912 is Switch-mode LED Driver IC manufactured by Supertex.
Preliminary
Switch-mode LED Driver IC With High Current Accuracy and Hiccup Mode Protection
Features
- Switch mode controller for single switch drivers
- Buck
- Boost
- 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
- +0.2A/-0.4A gate drive
- Hiccup Mode Protection for both short circuit and open circuit conditions
- Synchronization capability
- Pin patible with...
