JAJSCD8C August 2015 – May 2017 LP8861-Q1
PRODUCTION DATA.
DESIGN PARAMETER | VALUE |
---|---|
VIN voltage range | 4.5…30 V |
LED string | 4 × 4 LEDs (14.5 V) |
LED string current | 100 mA |
Max boost voltage | 17.5 V |
Boost switching frequency | 300 kHz |
External boost sync | used |
Boost spread spectrum | not available with external sync |
L1 | 33 μH |
CIN | 10 µF 50 V |
CIN SEPIC | 2 × 10-µF, 50-V ceramic + 33-µF 50-V electrolytic |
C1 | 10-µF 50-V ceramic |
COUT | 2 × 10-µF, 50-V ceramic + 33-µF 50-V electrolytic |
CLDO | 1 µF 10 V |
RISET | 24 kΩ |
RFSET | 210 kΩ |
RISENSE | 50 mΩ |
R1 | 390 kΩ |
R2 | 130 kΩ |
R3 | 10 kΩ |
RGS | 20 kΩ |