Diodes AP3003 - Manual (Page 10)

150kHz 3A BUCK DC-DC CONVERTER AP3003
Data Sheet
10
Aug. 2008 Rev. 1. 2 BCD Semiconductor Manufacturing Limited
Typical Performance Characteristics (Continued)
Figure 14. Quiescent Current vs. Junction Temperature
Figure 12. Switch Current Limit vs. Junction Temperature Figure 13. Quiescent Current vs. Supply Voltage
Figure 15. Shutdown Quiescent Current vs. Input Voltage
-40 -20 0 20 40 60 80 100 120
3.50
3.75
4.00
4.25
4.50
4.75
5.00
5.25
5.50
Switc
h
Current Li
m
it
(A
)
Junction Temperature ( O C)
V
IN
=12V
0 5 10 15 20 25 30 35 40
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
Q
ui
es
cent Current (m
A)
Supply Voltage (V)
T
J
=25 O C
V
ON/OFF
=0, Switch Off
-40 -20 0 20 40 60 80 100 120
2.50
2.75
3.00
3.25
3.50
3.75
4.00
4.25
4.50
4.75
5.00
5.25
5.50
Q
ui
esc
e
nt
Current
(mA)
Junction Temperature ( o C)
V
IN
=12V
V
ON/OFF
=0V, Switch OFF
0 4 8 12 16 20 24 28 32 36
0
20
40
60
80
100
120
140
160
180
S
hutdown
Q
uie
s
cent Current (
µA)
Supply Voltage (V)
T
J
=25 O C
V
ON/OFF
=5V