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IC BLOCK DIAGRAMS
IC603 L6598D
OP AMP
5
+
OPOUT
-
6
OPIN-
7
OPIN+
Ifmin
V
4
Rfmin
Ifstart
V
2
Rfstart
3
VCO
Cf
IC1801 / IC1802 PCA9534PW
PCA9534
A0
A1
A2
SCL
SDA
VDD
Vss
N2WKD/YKD
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V
S
12
UV
DETECTION
REF
DEAD
TIME
REF
CONTROL
LOGIC
INPUT
FILTER
POWER-ON
RESET
NOTE: ALL I/Os ARE SET TO INPUTS AT RESET
BOOTSTRAP
HVG
DRIVER
DRIVER
LEVEL
DRIVING
SHIFTER
LOGIC
LVG DRIVER
+
-
+
-
Iss
1
Css
INPUT/
8-BIT
2
I
C/SMBUS
OUTPUT
CONTROL
PORTS
WRITE pulse
READ pulse
FILTER
-12-
H.V.
V
16
BOOT
15
HVG
C
14
OUT
Vs
11
LVG
10
GND
Vthe1
8
EN1
Vthe2
9
EN2
I/O0
I/O1
I/O2
I/O3
I/O4
I/O5
I/O6
I/O7
Vcc
INT
LP
SU01783
BOOT
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