Datasheet

© 2012 Fairchild Semiconductor Corporation 15 FEBFL7701_L30U003A • Rev. 1.0.2
8.4. Typical Waveforms: Abnormal Mode (LED Open)
Figure 23 and Figure 24 show the open-load condition test method and result. When the LED
disconnects from the system, the IC cannot operate because the HV pin is disconnected.
Figure 23. Open-Load Condition Test
CH1: V
CC
, CH2: V
DRAIN
, CH3: V
LED
, CH4: I
LED
Figure 24. Test Results of Open-Load Condition