Diodes AP3031 - Manual (Page 7)

Data Sheet
7
Dec. 2012 Rev. 1. 6 BCD Semiconductor Manufacturing Limited
WHITE LED STEP-UP CONVERTER AP3031
Typical Performance Characteristics (Continued)
Figure 10. CTRL Pin Current vs. CTRL Pin Voltage
Figure 8. Shutdown Quiescent Current vs. Input Voltage Figure 9. CTRL Pin Voltage vs. Temperature
Figure 11. Feedback Voltage vs. Temperature
2 4 6 8 10 12 14 16
40
45
50
55
60
65
70
75
80
85
S
h
ut
down
Q
ui
esc
en
t Cu
rrent (
μ
A)
Input Voltage (V)
T
A
= -40 o C
T
A
= 25 o C
T
A
= 85 o C
(WLED forward voltage (V
F
)=3.2V at I
F
=20mA, unless otherwise noted.)
-60 -40 -20 0 20 40 60 80 100 120 140
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
CTRL Pin
Voltage (V)
Temperature ( o C)
2 4 6 8 10 12 14 16 18
20
40
60
80
100
120
140
160
180
200
220
C
T
RL
P
in Current (
μ
A)
CTRL Pin Voltage (V)
-60 -40 -20 0 20 40 60 80 100 120 140
188
190
192
194
196
198
200
202
204
206
208
210
212
F
eed
back
Voltage
(mV)
Temperature ( o C)
I
OUT
= 20mA