V
IN = 12V, L = 22 µH, F
SW = 400kHz, unless otherwise
specified
Figure 6-1 ADIM Duty
Cycle vs Reference Voltage in Analog Dimming
Figure 6-3 Internal LDO
Output vs Junction Temperature
Figure 6-5 VIN UVLO
Threshold vs Junction Temperature
Figure 6-7 ADIM/HD
Threshold vs Junction Temperature
Figure 6-9 Efficiency at
1A Max Output Current with PWM Dimming, 22uH Inductor, Buck-Boost Topology
Figure 6-11 Efficiency at
1A Max Output Current with Analogy Dimming, 22uH Inductor, Boost Topology
Figure 6-13 Efficiency at
3A Max Output Current with Analogy Dimming, 22uH Inductor, Buck Topology
Figure 6-2 Shutdown
Current vs Junction Temperature
Figure 6-4 Switching FET
Rdson vs Junction Temperature
Figure 6-6 EN/PWM
Threshold vs Junction Temperature
Figure 6-8 Efficiency at
1A Max Output Current with PWM Dimming, 22uH Inductor, Boost Topology
Figure 6-10 Efficiency at
3A Max Output Current with PWM Dimming, 22uH Inductor, Buck Topology
Figure 6-12 Efficiency at
1A Max Output Current with Analogy Dimming, 22uH Inductor, Buck-Boost Topology