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AP3203 Datasheet(PDF) 7 Page - BCD Semiconductor Manufacturing Limited

Part # AP3203
Description  380kHz, 3A Asynchronous DC - DC Buck Converter
PDF  11 Pages
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Manufacturer  BCDSEMI [BCD Semiconductor Manufacturing Limited]
Direct Link  http://www.bcdsemi.com
Logo BCDSEMI - BCD Semiconductor Manufacturing Limited

AP3203 Datasheet(HTML) 7 Page - BCD Semiconductor Manufacturing Limited

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Preliminary Datasheet
380kHz, 3A Asynchronous DC - DC Buck Converter
AP3203
Mar. 2011 Rev. 1. 0
BCD Semiconductor Manufacturing Limited
7
Typical Performance Characteristics (Continued)
TA=25ºC, VIN=12V, VOUT=3.3V, unless otherwise noted.
Figure 8. RDSONH vs. Temperature
Figure 9. RDSONL vs. Temperature
Figure 10. Output Ripple
Figure 11. Load Transient
(VIN=12V,VOUT=3.3V, IOUT=3A)
(VIN=12V, VOUT=3.3V, IOUT=2A to 3A)
VSW
5V/div
IL
1A/div
VOUT(AC)
20mV/div
Time 10ms/div
IL
1A/div
VOUT(AC)
200mV/
di
-60
-40
-20
0
20
40
60
80
100
120
140
60
70
80
90
100
110
120
130
140
150
160
170
Temperature (
oC)
-40
-20
0
20
40
60
80
100
120
140
6
8
10
12
14
16
18
Temperature (
oC)
Time 2
µs/div
Time 400
µs/div



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