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5
LER
E
A1.2V_BCM7038
2A
D1.2V_BCM7038
D
C
B
A
5
4
EC54
EC54
+
+
C380
C380
1uF/16V
1uF/16V
-
-
470uF,16V,LESR
470uF,16V,LESR
Q12
Q12
EC56 Change to 10 mm
5
4
T4026
L53
L53
4.7uH
4.7uH
6
3
EC56
EC56
R364
R364
R366
R366
+
+
680uF/16v
680uF/16v
C384
C384
3.3 / 1%
3.3 / 1%
7
2
0
0
10nF/25V
10nF/25V
DNI
R370
R370
0
0
8
1
C387
C387
R371
R371
C389
C389
6.8nF/25V
6.8nF/25V
FDS6912A
FDS6912A
3.9K_1%
3.9K_1%
For EMI
10nF/25V
10nF/25V
R372
R372
Vref=0.9V
5V
R375
R375
10K,1%
10K,1%
MH1
MH1
MH2
MH2
1
8
2
7
1
8
3
6
2
7
4
5
3
6
4
5
RH2
RH2
RH1
RH1
RH3
RH3
RH4
RH4
0, 0805
0, 0805
0, 0805
0, 0805
0, 0805
0, 0805
0, 0805
0, 0805
4
3
5V
D26
D26
BAT54A/SOT
BAT54A/SOT
C379
C379
1uF/10V
1uF/10V
U36
U36
C381 1uF/10V
C381 1uF/10V
C382 1uF/10V
C382 1uF/10V
6
23
BOOT1
BOOT2
R360 3.3K
R360 3.3K
R361 3.3K
R361 3.3K
7
22
Q11
Q11
ISEN1
ISEN2
R362
R362
0
0
5
24
4
UGATE1
UGATE2
R363
R363
0
0
4
25
PHASE1
PHASE2
3
R367
R367
0
0
R368
R368
0
0
2
27
LGATE1
LGATE2
2
3
26
PGND1
PGND2
9
20
1
VOUT1
VOUT2
FDS6912A
FDS6912A
10
19
VSEN1
VSEN2
1K
1K
8
21
EN1
EN2
R373 1K
R373 1K
15
16
PG1
PG2/REF
C390
C390
12
17
SOFT1
SOFT2
0.1uF
0.1uF
C391
C391
11
18
OCSET1
OCSET2
0.22uF
0.22uF
C392
C392
ISL6225CA
ISL6225CA
R376
R376
R377
R377
C393
C393
0.1uF
0.1uF
47K
47K
47K
47K
0.1uF
0.1uF
Fan control
R383
R383
Fan-
0,0805
0,0805
R382
R382
0,0805
0,0805
5V
JP1
JP1
R338
R338
12V
1
1
2
2
3
75,1%
75,1%
4
FAN(1x2 2.54mm)
FAN(1x2 2.54mm)
C401
C401
1uF/10V
1uF/10V
D32
D32
6.3V
6.3V
MH5
MH5
MH4
MH4
1
MH3
MH3
1
8
2
1
8
2
7
3
2
7
3
6
4
3
6
4
5
4
5
3
2
12V
EC55
EC55
C383
C383
+
+
1uF/16V
1uF/16V
-
-
3.3V
470uF,16V,LESR
470uF,16V,LESR
5
L54
L54
T3026
6
R365
R365
4.7uH
4.7uH
3A
EC57
EC57
3.3 / 1%
3.3 / 1%
C385
C385
7
+
+
R369
R369
DNI
330uF,16V
330uF,16V
-
-
10nF/25V
10nF/25V
C386
C386
11.5K,1%
11.5K,1%
For EMI
10nF/25V
10nF/25V
8
C388
C388
6.8nF/25V
6.8nF/25V
5V
R374
R374
4.3K,1%
4.3K,1%
Fan-
U37
U37
Q16
Q16
SI2302DS
SI2302DS
8
VDD
PWM
7
NC
GND
6
/SHDN
T/over
5
GND
NC
TC650AG
TC650AG
8
7
6
5
2
1
E
D
C
B
18
A
ZINWELL CORPORATION [ Hsinchu ] R&D II
ZINWELL CORPORATION [ Hsinchu ] R&D II
ZINWELL CORPORATION [ Hsinchu ] R&D II
2, Wen-Hua Road, Hsinchu Industrial Park,Hsinchu 303, Taiwan
2, Wen-Hua Road, Hsinchu Industrial Park,Hsinchu 303, Taiwan
2, Wen-Hua Road, Hsinchu Industrial Park,Hsinchu 303, Taiwan
TEL:886-3-597-9050 # 559
TEL:886-3-597-9050 # 559
TEL:886-3-597-9050 # 559
Title
Title
Title
Philips_DVR
Philips_DVR
Philips_DVR
Size
Size
Size
Document Number
Document Number
Document Number
Rev
Rev
Rev
A2
A2
A2
1.1
1.1
1.1
DC-DC Converter & Fan control
DC-DC Converter & Fan control
DC-DC Converter & Fan control
Date:
Date:
Date:
Monday, April 16, 2007
Monday, April 16, 2007
Monday, April 16, 2007
Sheet
Sheet
Sheet
18
18
18
of
of
of
19
19
19
1
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