HV9911
HV9911 is Switch-Mode LED Driver manufactured by Microchip Technology.
Switch-Mode LED Driver IC with High Current Accuracy
Features
- Switch-mode Controller for Single-switch Drivers:
- Buck
- Boost
- Buck-boost
- SEPIC
- Works with High-side Current Sensing
- Closed-loop Control of Output Current
- High Pulse-Width Modulation (PWM) Dimming
Ratio
- Internal 250V Linear Regulator (can be extended using external Zener Diodes)
- Internal 2% Voltage Reference (0°C < TA < 85°C)
- Constant Frequency or Constant Off-time
Operation
- Programmable Slope pensation
- Logic Input for Enable and PWM Dimming
- +0.2A/-0.4A Gate Driver
- Output Short-circuit Protection
- Output Overvoltage Protection
- Synchronization Capability
- Programmable Metal-Oxide...
