| Part Number | HV9919B |
| Manufacturer | Microchip (https://www.microchip.com/) |
| Title | High Brightness LED Driver |
| Description | HV9919B is a Pulse-Width Modulation (PWM) controller IC designed to drive high-brightness LEDs using a buck topology. It operates from an input vo... |
| Features |
• Hysteretic control with high-side current sensing • Wide input-voltage range: 4.5 to 40V • >90% Efficiency • Typical ±5% LED current accuracy • Up to 2.0MHz switching frequency • Adjustable constant LED current • Analog or PWM control signal for PW... |
| Datasheet |
 HV9919B Datasheet 324.00KB |
