HV9912 Overview
Description
HV9912 is an LED driver IC designed to control single-switch PWM converters (buck, boost.
Key Features
- Switch-mode Controller for Single-switch Drivers
- Works with High-side Current Sensors
- Closed-loop Control of Output Current
- High Pulse-Width Modulation (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 or Constant Off-time Operation
- Programmable Slope Compensation
- Linear and PWM Dimming
- +0.2A/–0.4A Gate Driver