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APW8728 Datasheet(PDF) 13 Page - Anpec Electronics Coropration

Part # APW8728
Description  VGA PWM Controller with Differential Voltage Feedback
PDF  25 Pages
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Manufacturer  ANPEC [Anpec Electronics Coropration]
Direct Link  http://www.anpec.com.tw
Logo ANPEC - Anpec Electronics Coropration

APW8728 Datasheet(HTML) 13 Page - Anpec Electronics Coropration

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Copyright
© ANPEC Electronics Corp.
Rev. A.2 - Dec., 2012
APW8728
www.anpec.com.tw
13
Typical Application Circuit
PHASE
RTN
GND
PVCC
OCSET
VOUT
APW8728 (TQFN 3x3-16)
CIN
10
µF x 2
L1
0 .5µ H
VIN
VOUT
UGATE
COUT
330
µF
Supply 5 V
BOOT
9
5
14
1
8
11
RVCC 2R2
C
PV CC
1
µF
Q 1
APM 4350
Q 2
APM 4358
CBOOT
0.1
µF
ROCSE
T
C
OUT
MLCC
22
µFx 4
LGATE
L
O
A
D
3
POK
4
RPOK
100 k
Ω
V+_near
V-_near
V+_remote
V-_remote
REFI
N
ON
OFF
Q3
2N7002
DAC source
6
TON
FB
EN
Enable source
15
VCC
2
CVCC
1
µF
PGND
3
7
10
750 k
12
13
16
FOR External Mode Application
PHASE
RTN
GND
PVCC
OCSET
VOUT
APW8728 (TQFN3X3-16)
CIN
10
µF x 2
L1
0 .5µ H
VIN
VOUT
UGATE
COUT
330
µF
Supply 5 V
BOOT
9
5
14
1
8
11
RVCC 2R2
C
PV CC
1
µF
Q 1
APM 4350
Q 2
APM 4358
CBOOT
0.1µF
ROCSET
LGATE
3
POK
4
RPOK
100k
Ω
REFI
N
ON
OFF
Q3
2N7002
DAC source
6
TON
FB
EN
Enable
source
15
VCC
2
CVCC
1
µF
PGND
3
7
10
RTOP
10k
Ω
RGND
10 k
Ω
750k
12
13
16
FOR Internal Mode Application



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