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AT9919 |
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| Part Number | AT9919 |
| Manufacturer | Microchip (https://www.microchip.com/) |
| Description | AT9919 is a PWM controller IC designed to drive high-brightness LEDs using a buck topology. It operates from an input voltage of 4.5 VDC to 40 VDC and employs hysteretic control with a high-side curre... |
| Features |
• AEC-Q100 Qualified • Hysteretic Control with High-side Current Sensing • Wide Input Voltage Range: 4.5V to 40V • >90% Efficiency • Typical ±5% LED Current Accuracy • Up to 2 MHz Switching Frequency • Adjustable Constant LED Current • Analog or Pulse-Width Modulation (PWM) Control Signal for PWM Dimming • Overtemperature Protection • –40ºC to +125ºC Operating Temperature Range Applications • LED Lighting Applications • Automotive Applications General Description AT9919 is a PWM controller IC designed to drive high-brightness LEDs using a buck topology. It operates from an input voltage of 4.... |
| Document |
 AT9919 Data Sheet
PDF 532.81KB |
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Desde 2024. D4U Semiconductor.
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