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APW1172 Datasheet(PDF) 6 Page - Anpec Electronics Coropration

Part # APW1172
Description  2.5A SWITCH STEP DOWN SWITCHING REGULATOR
PDF  21 Pages
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Manufacturer  ANPEC [Anpec Electronics Coropration]
Direct Link  http://www.anpec.com.tw
Logo ANPEC - Anpec Electronics Coropration

APW1172 Datasheet(HTML) 6 Page - Anpec Electronics Coropration

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Copyright
© ANPEC Electronics Corp.
Rev. A.4 - Aug., 2005
APW1172
www.anpec.com.tw
6
Other Application Circuits
Dual output voltage application
BuckBoost regulator
L
22uH
D1
1N5819
VIN=5V
CIN
22uF
VOUT1 = 3.3V
RF1
5.6K
RF2
3.3K
COUT1
100uF
VREF = 3.3V
RC1
4.3K
CC1
2.2nF
CC2
220pF
APW1172
OUT
1
2
3
4
7
8
6
5
SYNC
INH
COMP
GND
VCC
FB
VREF
1N4148
VOUT2 = 5V
N1/N2=2
COUT2
47uF
L
15uH
D1
1N5819
CIN2
22uF25V
VOUT = -12V
RF1
2.7K
RF2
24K
COUT
100uF
VREF = 3.3V
RC1
4.3K
CC1
2.2nF
CC2
220pF
APW1172
OUT
1
2
3
4
7
8
6
5
SYNC
INH
COMP
GND
VCC
FB
VREF
CIN1
22uF
VIN=5V



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