Diodes AP3003 Manual de usuario Pagina 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
-40-200 20406080100120
0.8
0.9
1.0
1.1
1.2
1.3
1.4
1.5
1.6
OFF
ON
ON/OFF Voltage (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
ON/OFF Pin Current (µA)
ON/OFF Pin Voltage (V)
V
IN
=32V, T
J
=25
O
C
-40-200 20406080100120
120
124
128
132
136
140
144
148
152
156
160
Frequency (kHz)
Junction Temperature (
O
C)
vs. Junction Temperature
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