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AP3503E Fiches technique(PDF) 6 Page - BCD Semiconductor Manufacturing Limited

No de pièce AP3503E
Description  340kHz, 3A Synchronous DC-DC Buck Converter Current Mode Control
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Fabricant  BCDSEMI [BCD Semiconductor Manufacturing Limited]
Site Internet  http://www.bcdsemi.com
Logo BCDSEMI - BCD Semiconductor Manufacturing Limited

AP3503E Fiches technique(HTML) 6 Page - BCD Semiconductor Manufacturing Limited

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Preliminary Datasheet
340kHz, 3A Synchronous DC-DC Buck Converter
AP3503E
May. 2012
Rev. 1. 6
BCD Semiconductor Manufacturing Limited
6
Typical Performance Characteristics
TA=25ºC, VIN=12V, VOUT=3.3V, unless otherwise noted.
Figure 4. Efficiency vs. Load Current
Figure 5. Quiescent Current vs. Temperature
Figure 6. Feedback Voltage vs. Temperature
Figure 7. Output Voltage vs. Load Current
-50
-25
0
25
50
75
100
125
150
0.80
0.85
0.90
0.95
1.00
1.05
1.10
1.15
1.20
1.25
1.30
Temperature (
oC)
-50
-25
0
25
50
75
100
125
150
0.6
0.7
0.8
0.9
1.0
1.1
1.2
Temperature (
oC)
0.0
0.4
0.8
1.2
1.6
2.0
2.4
2.8
3.2
3.0
3.1
3.2
3.3
3.4
3.5
3.6
Load Current (A)
0.01
0.1
1
10
20
30
40
50
60
70
80
90
100
Load Current (A)
V
OUT
=3.3V,L=10µH,T
A
=25
oC
V
IN
=5V
V
IN
=12V


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