HV9985
Features
- Switch Mode Controller for Single-Switch Converters
- Gate Drivers Optimized for Driving Logic Level FETs
- 0.25A Sourcing
- 0.5A Sinking
- Typical ±2% Absolute and String-to-String Current Accuracy (with ±1% Sense Resistors)
- High Pulse-Width Modulation (PWM) Dimming Ratio up to 5000:1
- 10V to 40V Input Range
- Constant Frequency Operation up to 1 MHz
- On-Chip Clock or External Clock Option
- Programmable Slope pensation
- Linear and PWM Dimming
- Output LED Short-Circuit Protection
- Output Overvoltage Protection
- Hiccup Mode Protection
Applications
- RGB Backlight Applications
- Boost, Buck, and SEPIC Topologies
- Multiple String White LED Driver Applications
General Description
The HV9985 is a 3-channel Peak Current mode PWM controller for driving single-switch converters in a constant output Current mode. It can be used for driving either RGB LEDs or multiple channels of white LEDs.
The HV9985 features a 40V linear regulator, which provides a 5V supply to power...
