ZHCSLM3B August 2020 – May 2024 LP8864-Q1
PRODUCTION DATA
This typical LED-driver application is designed to meet the parameters listed in Table 7-4:
| DESIGN PARAMETER | VALUE |
|---|---|
| VIN voltage range |
3V to 20V (Quiescent Voltage) |
| VDD voltage | 5V |
| LED strings configuration | 4 strings, 7 LEDs in series |
| Charge pump | Disabled |
| Brightness control | PWM |
| Output configuration | OUT1 to OUT4 are in phase shift mode (90°) |
| LED string current | 120mA |
| Boost frequency | 400kHz |
| Inductor | 22μH at 6.5A saturation current |
| RISENSE | 20mΩ |
| Power-line FET | Enabled |
| RSENSE | 30mΩ |
| Input/Output capacitors | CIN and COUT: 3 × 10μF ceramic |
| Spread spectrum | Enabled |
| Discharge function | Enabled |