Diodes AP3012 - Manual (Page 7)

7
May 2010 Rev. 1. 6 BCD Semiconductor Manufacturing Limited
Data Sheet
1.5MHz STEP-UP DC-DC CONVERTER AP3012
Typical Performance Characteristics
Figure 4. Quiescent Current vs. Input Voltage Figure 5. SHDN Pin Bias Current
Figure 6. Switching Frequency Figure 7. Feedback Bias Current
0 4 8 12 16
0.0
0.5
1.0
1.5
2.0
2.5
3.0
Quiescent
Current
(m
A
)
V
IN
(V)
-50 o C
25 o C
100 o C
-50 -25 0 25 50 75 100
0.0
0.4
0.8
1.2
1.6
2.0
Switching F
reque
ncy
(M
Hz
)
Junction Temperature ( o C)
-50 -25 0 25 50 75 100
0
10
20
30
40
50
60
70
F
eedbac
k B
ia
s Cur
rent
(nA
)
Junction Temperature ( o C)
-50 -25 0 25 50 75 100
40
80
120
160
200
240
280
320
SHDN P
in Bias
Cur
rent
(
µA)
Junction Temperature ( o C)
SHDN=10V
SHDN=3.6V
SHDN=3V
SHDN=2.7V
vs. Junction Temperature
vs. Junction Temperature vs. Junction Temperature