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AP3001 Datasheet(PDF) 3 Page - BCD Semiconductor Manufacturing Limited

Part No. AP3001
Description  150kHz 3A PWM BUCK DC-DC CONVERTER
Download  15 Pages
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Maker  BCDSEMI [BCD Semiconductor Manufacturing Limited]
Homepage  http://www.bcdsemi.com
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AP3001 Datasheet(HTML) 3 Page - BCD Semiconductor Manufacturing Limited

 
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150kHz 3A PWM BUCK DC-DC CONVERTER
AP3001
Preliminary Datasheet
3
Jul. 2006 Rev. 1. 3
BCD Semiconductor Manufacturing Limited
Functional Block Diagram
Figure 3. Functional Block Diagram of AP3001
ON/OFF
FEEDBACK
VIN
OUTPUT
GND
+
_
+
_
+
_
+
_
START UP
2.5V
REGULATOR
1.235V
REFERENCE
LATCH
150kHz
OSC
DRIVER
&
INV
THERMAL
SHUTDOWN
EA
COMP
COMP
COMP
2.5V
Bias
Current
Frequency Shift
220
mV
200
mV
1:100
R2
R1
1
2
3
4
5
R1=2.49k R2=4.18k
R1=2.49k R2=7.57k
R1=Open R2=0
For 3.3V
5V
ADJ


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