LP5817
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Краткое описание:
3-Channel I2C Interface RGB LED Driver with 8-bit PWM and Analog Dimming
Дополнительная информация
The LP5817 is a high-precision 3-channel RGB LED driver featuring ultra-low power consumption and flexible dimming capabilities via an I2C interface. It supports an operating voltage range of 2.5V to 5.5V and provides three constant current sinks capable of 0.1mA to 51mA per channel. The device employs both 8-bit analog dimming (dot current) and 8-bit PWM dimming to achieve smooth, audible-noise-free brightness control. It is designed for battery-powered and space-constrained applications with a shutdown current of 0.1μA and ultra-low headroom voltage requirements.
| RoHS | Compliant |
| REACH | Compliant |
| I2C Speed | 400kHz |
| PWM Frequency | 23kHz |
| PWM Resolution | 8bits |
| Number of channels | 3 |
| Shutdown Current (ISD) | 0.1μA |
| Supply Voltage (VCC) Range | 2.5 to 5.5V |
| Operating Temperature Range | -40 to 125°C |
| Headroom Voltage (max at 51mA) | 275mV |
| Maximum Output Current per Channel | 51mA |
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