EL7520, EL7520A
Typical Performance Curves (Continued)
VCDLY
EN
VLOGIC
VREF
CDLY=0.1µF
TIME (20ms/DIV)
FIGURE 13. EL7520A START-UP SEQUENCE
VCDLY
VBOOST
VLOGIC
VREF
CDLY=0.1µF
TIME (20ms/DIV)
FIGURE 14. EL7520A START-UP SEQUENCE
VBOOST
VLOGIC
VOFF
VON
CDLY=0.1µF
TIME (20ms/DIV)
FIGURE 15. EL7520A START-UP SEQUENCE
VBOOST-DELAY
VLOGIC
VOFF
VON
CDLY=0.1µF
TIME (20ms/DIV)
FIGURE 16. EL7520A START-UP SEQUENCE
0.5µs/DIV
FIGURE 17. LX WAVEFORM-DISCONTINUOUS MODE
6
FN7318.0
July 12, 2005