Denon S-101 - Power Management ICs; BD9781 HFP and BD9002 HFP Diagrams; Other Power ICs: BD4828 G, LM3671

36
S-101
BD9781HFP (IC810: 1U-3695)
BD9002HFP (IC811: 1U-3695)
BD4828G (IC203: 1U-3694) LM3671 (IC912: 1U-3694)
1234567
BD9781HVFP
5
3
4
1
2
7
6
5~35V
V IN
INV
Vre f
OSC
FB
RT
CURRENT LIMIT
ERROR AMP
PWM
SW
EN/SYNC
RESET
COMPARATOR
SOFT
START
24KΩ
10KΩ
150KΩ
390KΩ
4700μF
220μF
33μH
330μF
1μF
0.1μF
LATCH
Vref SYNC
ON/OFF
L:OFF
H:ON
TSD
V IN
GND
VO
DRIVER
1234567
BD9002HVFP
5
7
4
1
2
3
V IN
INV
Vre f
OSC
FB
SS
RT
CURRENT LIMIT
ERROR AMP
PWM
SW
RESET
COMPARATOR
LATCH
Vre f
UVLO
TSD
V IN
GND
DRIVER
6
1
V
OUT
N.C .
2
V
DD
3
GND
5
4
N.C .
1V IN SW
2
GND
3
EN
5
4FB
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
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