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AP3211 Datasheet(PDF) 7 Page - BCD Semiconductor Manufacturing Limited

Part # AP3211
Description  1.4MHz, 1.5A ASYNCHRONOUS DC-DC BUCK CONVERTER
PDF  12 Pages
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Manufacturer  BCDSEMI [BCD Semiconductor Manufacturing Limited]
Direct Link  http://www.bcdsemi.com
Logo BCDSEMI - BCD Semiconductor Manufacturing Limited

AP3211 Datasheet(HTML) 7 Page - BCD Semiconductor Manufacturing Limited

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Data Sheet
1.4MHz, 1.5A ASYNCHRONOUS DC-DC BUCK CONVERTER
AP3211
Jul. 2011
Rev. 1.3
BCD Semiconductor Manufacturing Limited
7
Typical Performance Characteristics (Continued)
TA=25ºC, VIN=12V, VEN=5V，VOUT=3.3V, unless otherwise noted.
Figure 8. Output Voltage vs. Input Voltage
Figure 9. Maximum Output Current vs. Input Voltage
Figure 10. Output Ripple (IOUT=1.5A)
Figure 11.Load Transient (IOUT=1 to 1.5A)
4
6
8
1012
1416
18
20
2.6
2.7
2.8
2.9
3.0
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
Input Voltage (V)
I
OUT
=1.2A
I
OUT
=1.5A
4
6
8
10
121416
1820
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
2.2
2.4
2.6
2.8
3.0
Input Voltage (V)
V
OUT
=3.3V
VOUT (AC)
20mV/div
VSW
5V/div
IL
1A/div
VIN
10V/div
VOUT (AC)
100mV/div
IL
1A/div
Time (400ns/div)
Time (100
μs/div)



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