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.
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| Number of channels | 3 |
| Supply Voltage (VCC) Range | 2.5 to 5.5V |
| Maximum Output Current per Channel | 51mA |
| PWM Frequency | 23kHz |
| PWM Resolution | 8bits |
| I2C Speed | 400kHz |
| Shutdown Current (ISD) | 0.1μA |
| Operating Temperature Range | -40 to 125°C |
| Headroom Voltage (max at 51mA) | 275mV |
| RoHS | Compliant |
| REACH | Compliant |
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