ZHCSKL3C December 2019 – May 2024 LP8866-Q1
PRODUCTION DATA
This typical LED-driver application is designed to meet the parameters listed in Table 8-5:
| DESIGN PARAMETER | VALUE |
|---|---|
| VIN voltage range | 4.5V to 20V (quiescent voltage) |
| VDD voltage | 3.3V |
| LED strings configuration | 5 strings, 3 LEDs in series |
| Charge pump | Enabled |
| Brightness control | I2C |
| Output configuration | OUT1 to OUT5 are in phase shift PWM mode |
| LED string current | 80mA |
| Boost frequency | 2.2MHz |
| Inductor | 10μH at 4A saturation current |
| RISENSE | 20mΩ |
| Power-line FET | Enabled |
| RSENSE | 50mΩ |
| Input/Output capacitors | CIN and COUT: 1 × 33μF electrolytic + 1 × 10μF ceramic |
| Spread spectrum | Enabled |
| Discharge function | Enabled |