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MEX-5DI
IC702 LB1930M
IC703 LB1930M
IC601 BA8270F
IC801 TL1451ACDB
IC802 TL1451ACDB
IC206 RRX9000-0601#1
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BUS ON
SWITCH
RESET
SWITCH
BATTERY
SWITCH
BUS ON
RST
BATT
CLK
VREF
GND
VCC
RESET
BUS ON
CLK IN
BU IN
DATA IN
DATA OUT
DATA
REFERENCE
VOLTAGE
LATCH
TRIANGLE
OSCILLATOR
VERF.
+2.5V
+2.5V
+
–
U.V.L.O
–
+
+
–
1
2 3
4
5 6 7 8
91016 15 14 13 12 11
PWM
COMPA-
RATOR2
OUTPUT2
OUTPUT1
GND
PWM
COMPA-
RATOR1
VERF
SR R
VERF
VERF
ERROR
AMP2
ERROR
AMP1
VREF/2
SHORT
CIRCUIT
PROTECTION
COMPARATOR
VCC
+
REFO
SCP
INA2
INB2
FB2
DTC2
OUT2
VCC
GND
OUT1
RT
INA1
INB1
FB1
DTC1
CT
16
1 2 3 4 5 6 7 8
15 14 13 11 1012 9
L IN
L IN GND
L
V STBY VCC NC NC VPO NC
GND A V IN V AGC LNS VCO NC
GND
C
INPUT
SLAGE
320kHz
AGC
320kHz
/500kHz
PULSE
COUNTER
PULSE
FORMER
NOISE
SUPPRESSION
BANDGAP
REFERENCE
1
2
3
4
5
6
7
8
9
10
VCC
RIN
SGND
FIN
NC
NC
OUT2
NC
PGND
OUT1
CONTROL
CIRCUIT
MOTOR
DRIVE
CIRCUIT
BUFFER
BUFFER