SNVSBD3B August 2020 – May 2024 LP8864S-Q1
PRODUCTION DATA
This typical LED-driver application is designed to meet the parameters listed in Table 8-1:
DESIGN PARAMETER | VALUE |
---|---|
VIN voltage range |
5V to 20V (Quiescent Voltage) |
VDD voltage | 3.3V |
LED strings configuration | 4 strings, 7 LEDs in series |
Charge pump | Enabled |
Brightness control | I2C |
Output configuration | OUT1 to OUT4 are in phase shift mode (90°) |
LED string current | 150mA |
Boost frequency | 400kHz |
Inductor | 22µH at 6.5A saturation current |
RISENSE | 20mΩ |
Power-line FET | Enabled |
RSENSE | 30mΩ |
Input/Output capacitors | CIN and COUT: 1 × 33µF electrolytic + 1 × 10µF ceramic |
Spread spectrum | Enabled |
Discharge function | Enabled |