Datasheet Details
- Part number
- HV9919B
- Manufacturer
- Microchip ↗
- File Size
- 324.00 KB
- Datasheet
- HV9919B-Microchip.pdf
- Description
- High Brightness LED Driver
HV9919B Description
HV9919B Hysteretic, Buck, High Brightness LED Driver with High-Side Current Sensing .
HV9919B is a Pulse-Width Modulation (PWM) controller IC designed to drive high-brightness LEDs using a buck topology.
HV9919B 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
HV9919B Applications
* Low-voltage industrial and architectural lighting
* General purpose constant current source
* Signage and decorative LED lighting
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