Diodes AP3019A - Manual (Page 9)

Data Sheet
WHITE LED STEP-UP CONVERTER AP3019A
May. 2010 Rev. 1.8 BCD Semiconductor Manufacturing Limited
9
Typical Performance Characteristics (Continued)
WLED forward voltage is 3.45V at I
F
=20mA, unless otherwise noted.
Figure 16. Saturation Voltage vs. Switch Current Figure 17. CTRL Pin Voltage vs.
Junction Temperature
50 100 150 200 250 300
50
100
150
200
250
300
350
400
450
S
a
tu
rat
ion V
o
lt
age (m
V)
Switch Current (mA)
-50 -25 0 25 50 75 100
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
CT
RL P
in
Vol
tage (V
)
Junction Temperature ( O C)
Falling Edge
Rising Edge