Haier HL26ATB, Руководство по обслуживанию, Страница: 47 / 52

8
8
7
7
6
6
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
0603
200MA
0603
200MA
Place 10uF, Bead near the ASIC. B37 and B38 are sharing
a Bulk since so close. The high frequency caps on page
16 should be placed directly across the appropriate power
and ground pins as shown on their pages.
0603
200MA
ESR=0.38R
ESR=0.38R
Active low enable
Rtop
Pull FB trace out after Cout
Vo = Vref(1+Rtop/Rbot)
1.2V= 0.8V*(1+1K/2K)
2V= 0.8V*(1+1.5K/1K)
2.5V= 0.8V*(1+2.2K/1K)
2.8V= 0.8V*(1+1.5K/1K)
3.4V=0.8V*(1+3.3K/1K)
Rbot
<Doc> 1.0
<Title>
Custom
22 25 Thursday, November 02, 2006
Title
Size Document Number Rev
Date: Sheet of
OSC_AVDD
OSC1.8V
+3.3V
VPVDD
MPVDD
+12V
+3.3V
+12V
FDCFE1.8V
C468
1uF_16V
FB84 150R
REG6
RT9193-18CB
1
2
3 4
5
IN
GND
EN BP
OUT
L35
22uH
S1
D1
G1
S2
G2
D2
Q17
AO4800
4 5
1
6
7
8 2
3
U4
RT9214PS
1
2
3
4
8
7
6
5
BOOT
UGATE
GND
LGATE
PHASE
OCSET/PH
FB
VCC
+
C527
470uF_16V_H_DIP
C536
22nF
+
C526
470uF_16V_H_DIP
FB85 150R
C404
22uF_16V
C401
100nF
R311
4.7K/1%
C465
0.1uF/50V
C402
1uF_16V
C470
1nF_DNI
L34
1uH
R309 24K
D49
BAT54
C A
FB86 150R
C467
1uF_16V
R310
2.2R_DNI 0805 C469
4.7uF_16V
R307
2.2R
0805
C405
10uF_10V
C466
4.7uF_16V
C471
1nF_DNI
R308
2.2R
0805
R223 4.99R
R313
1.5K/1%
C406
10uF_10V
C403
22uF_16V
R312
0R_DNI