3502EM-G1 Просмотр технического описания (PDF) - BCD Semiconductor
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3502EM-G1 Datasheet PDF : 11 Pages
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Preliminary Datasheet
340kHz, 2A Synchronous DC-DC Buck Converter
AP3502E
Typical Performance Characteristics
TA=25ºC, VIN=12V, VOUT=3.3V, unless otherwise noted.
100
90
80
70
60
50
40
30
20
10
0.01
V =3.3V,L=10µH T =25oC
OUT
A
V =5V
IN
V =12V
IN
0.1
1
10
Load Current (A)
1.4
1.3
1.2
1.1
1.0
0.9
-50
-25
0
25
50
75
100
125
150
Temperature (oC)
Figure 4. Efficiency vs. Load Current
Figure 5. Quiescent Current vs. Temperature
0.94
0.93
0.92
0.91
0.90
-50
-25
0
25
50
75
100
125
150
Temperature (oC)
Figure 6. Feedback Voltage vs. Temperature
3.6
3.5
3.4
3.3
3.2
3.1
3.0
0.0
0.4
0.8
1.2
1.6
2.0
2.4
Load Current (A)
Figure 7. Output Voltage vs. Load Current
May. 2012 Rev. 1. 3
BCD Semiconductor Manufacturing Limited
6
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