LP8551
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Краткое описание:
High-Efficiency LED Backlight Driver for Notebooks with 4 Current Sinks
Дополнительная информация
The LP8551 is a white LED driver with an integrated boost converter and four adjustable current sinks. It features adaptive output voltage control to minimize power consumption by adjusting the boost voltage to the lowest sufficient level. It supports PWM or I2C brightness control with up to 13-bit resolution and includes safety features like LED fault detection, thermal de-rating, and overcurrent protection.
| RoHS | Compliant |
| Lead Free | Yes |
| PWM Resolution | 8 to 13bits |
| Number of Channels | 4count |
| Input Voltage Range | 2.7 to 22V |
| Switching Frequency | 156/312/625/1250kHz |
| Output Voltage (Max) | 40V |
| Output Current per Channel | 50mA |
| Operating Temperature Range | -30 to 85°C |
