Typical performance characteristics (continued), Vs. junction temperature – Diodes AP3003 User Manual
Page 11
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150kHz 3A BUCK DC-DC CONVERTER AP3003
Data Sheet
11
Aug. 2008 Rev. 1. 2
BCD Semiconductor Manufacturing Limited
Typical Performance Characteristics (Continued)
Figure 18. Switching Frequency vs. Junction Temperature
Figure 16. On/Off Threshold Voltage
Figure 17. On/Off Pin Current vs. On/Off Pin Voltage
-40
-20
0
20
40
60
80
100
120
0.8
0.9
1.0
1.1
1.2
1.3
1.4
1.5
1.6
OFF
ON
O
N
/O
F
F
V
ol
tag
e
(V)
Junction Temperature (
O
C)
V
IN
=12V
0.0
2.5
5.0
7.5
10.0
12.5
15.0
17.5
20.0
22.5
25.0
0
1
2
3
4
5
6
7
8
O
N
/O
F
F
Pin C
ur
ren
t (
µA)
ON/OFF Pin Voltage (V)
V
IN
=32V, T
J
=25
O
C
-40
-20
0
20
40
60
80
100
120
120
124
128
132
136
140
144
148
152
156
160
F
requency
(k
Hz
)
Junction Temperature (
O
C)
vs. Junction Temperature
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