SNVSBZ6 May 2021 TPS92380 , TPS92381
PRODUCTION DATA
DESIGN PARAMETER | VALUE |
---|---|
VIN voltage range | 4.5 V– 30 V |
LED string | 4P4S LEDs (15-V max) |
LED string current | 100 mA |
Maxmum output voltage | 20 V |
SEPIC switching frequency | 2.2 MHz |
External sync for SEPIC | used |
Spread spectrum | Internal spread spectrum disabled (external sync used) |
L1, L2 | 4.7 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 | 24 kΩ |
R1 | 265 kΩ |
R2 | 37 kΩ |
R3 | 10 kΩ |