HV9982 Description
HV9982 is a three-channel, closed loop, peak-current mode PWM controller designed to drive a constant output current. It can be used for driving either RGB LEDs or multiple channels of white LEDs. HV9982 includes a 40V linear regulator which provides an 8.0V supply to power the IC.
HV9982 Key Features
- Switch mode controller for single-switch converters
- Closed loop control of output current
- High PWM dimming ratio
- Internal 40V linear regulator
- Constant frequency operation
- Programmable slope pensation
- Linear and PWM dimming
- +0.2A/-0.4A gate drives for the switching FETs
- Output short circuit protection
- Output over voltage protection