EL7520, EL7520A
Typical Performance Curves (Continued)
0
-0.2
-0.4
-0.6
-0.8
-1
-1.2
-1.4
0
20
40
60
80
100
IOUT (mA)
FIGURE 7. VOFF LOAD REGULATION
0
-0.2
-0.4
-0.6
-0.8
-1
-1.2
0
100 200 300 400 500 600 700
IOUT (mA)
FIGURE 8. VLOGIC LOAD REGULATION
VCDLY
EN
VLOGIC
VREF
CDLY=0.1µF
TIME (20ms/DIV)
FIGURE 9. EL7520 START-UP SEQUENCE
VCDLY
VBOOST
VLOGIC
VREF
CDLY=0.1µF
TIME (20ms/DIV)
FIGURE 10. EL7520 START-UP SEQUENCE
VBOOST
VLOGIC
VOFF
VON
CDLY=0.1µF
TIME (10ms/DIV)
FIGURE 11. EL7520 START-UP SEQUENCE
5
VBOOST-DELAY
VLOGIC
VOFF
VON
CDLY=0.1µF
TIME (20ms/DIV)
FIGURE 12. EL7520 START-UP SEQUENCE
FN7318.0
July 12, 2005