– 37 –1
2
3
4
5 6
7
8
9
10
GND
IN1
VCC
IN2
GND N.C.
OUT2
VS
OUT1
N.C.
CONTROL LOGIC
REFERENCE
VOLTAGE
S.C.P.
COMPARATOR 1
SWITCH
'ON'
AT
'H'
PWM
COMPARATOR
S.C.P.
COMPARATOR 2
DEAD-TIME
COMPARATOR
S.C.P.
LATCH
OSC
U.V.L.O
ERROR
AMP
–
+
+
–
+
–
+
–
–
+
56 7 8
1234
OUT
VCC
FEED BACK
INPUTSCP
DEAD-TIME
CONTROL
RT
GND
12 3 45 6 7
891014 13 12 11
VCC
BUS ON
LINK OFF
CLK OUT
DATA OUT
DATA IN
BUS RESET
BUS DATA
VREF
BUS CLK
GND
BUS ON IN
BUS ON OUT
RESET
RESET
SWITCH
1
2
3
4
5
6
7
8
9
10
16
15
14
13
12
11
INPUT
INTERFACE
DIGITAL
FILTER
MODE
CONTROL
LOWPASS
FILTER
CMOS
AMP
5 LEVEL
DAC
NOISE SHAPER
LOWPASS
FILTER
CMOS
AMP
5 LEVEL
DAC
CLK
CONTROL
20
19
18
17
XTO
CLKO
MUTE
DM1
DM0
RSTB
FORMAT
D/C L
VOUTL
VCC
AGND
VOUTR
D/C R
ZERO
BCKIN
DIN
LRCIN
VDD
DGND
XTI