JAJSIB1B December 2019 – October 2020 LP8866-Q1
PRODUCTION DATA
This typical LED-driver application is designed to meet the parameters listed in Table 8-4:
DESIGN PARAMETER | VALUE |
---|---|
VIN voltage range |
3 V to 20 V (Quiescent Voltage) |
VDD voltage | 5 V |
LED strings configuration | 6 strings, 7 LEDs in series |
Charge pump | Disabled |
Brightness control | PWM |
Output configuration | OUT1 to OUT6 are in phase shift mode (60°) |
LED string current | 120 mA |
Boost frequency | 400 kHz |
Inductor | 22 µH at 6.5-A saturation current |
RISENSE | 20 mΩ |
Power-line FET | Enabled |
RSENSE | 30 mΩ |
Input/Output capacitors | CIN and COUT: 3 × 10-µF ceramic |
Spread spectrum | Enabled |
Discharge function | Enabled |