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APW7089 Datasheet(PDF) 14 Page - Anpec Electronics Coropration

Part # APW7089
Description  4A, 26V, 380kHz, Asynchronous Step-Down Converter
PDF  24 Pages
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Manufacturer  ANPEC [Anpec Electronics Coropration]
Direct Link  http://www.anpec.com.tw
Logo ANPEC - Anpec Electronics Coropration

APW7089 Datasheet(HTML) 14 Page - Anpec Electronics Coropration

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Copyright
© ANPEC Electronics Corp.
Rev. A.1 - Jan., 2012
APW7089
www.anpec.com.tw
14
Typical Application Circuit (Cont.)
4. +12V Single Power Input Step-down Converter (with Electrolytic Input/Output Capacitors)
5. -8V Inverting Converter with 4.5~5.5V Single Power Input
R2
15k
1%
LX
EN
2
VIN
1
GND
8
COMP
6
9
U1
APW7089
FB
7
UGND
3
VOUT
+3.3V/4A
L1
10
µH
4A
D1
VCC
4
C3
1
µF
C2
1
µF
VIN
+12V
C1
2.2
µF
C5
4700pF
R4
56k
C6
22pF
C4
470
µF
R1
47k
Ω
1%
R5
100k
Ω
VIN
C8
470
µF
C7
33pF
LX
5
(ESR=30m
Ω)
LX
EN
2
VIN
1
GND
8
COMP
6
9
U1
APW7089
UGND
3
L1
6.8
µH
4A
D1
VCC
4
C3
1
µF
C2
1
µF
VIN
4.5~5.5V
C1
10
µF
C5
560pF
R4
39k
Ω
C6
22pF
C4
22
µF
R5
100k
Ω
LX
5
R2
10k
Ω
FB
7
R1
90.9k
Ω
C7
27pF
PGND
AGND
VOUT
-8V/4A
C8
1
µF



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