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HV9919B |
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| Part Number | HV9919B |
| Manufacturer | Microchip (https://www.microchip.com/) |
| 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 voltage of 4.5 to 40VDC and employs hysteretic control, ... |
| 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 PWM dimming • Over-temperature protection • -40ºC to +125ºC operating temperature range Applications • Low-voltage industrial and architectural lighting • General purpose constant current source • Signage and decorative LED lighting • Indicator and emergency lighting Description HV9919B is a Pulse-Width Modulation (PWM) controller IC designed to dri... |
| Document |
 HV9919B Data Sheet
PDF 324.00KB |
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Desde 2024. D4U Semiconductor.
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