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MEX-DV150UE/DV1500U/DV1505U
IC401 BD9778HFP
VREF
DRIVER
THERMAL
SHUT DOWN
1
IC402 TPS2051BDRG4
GND
1
IN
2
CHARGE
PUMP
IN
3
DRIVER
EN
4
UVLO
IC431 S-1170B33UC-OTSTFG
THERMAL
SHUTDOWN
ON/OFF
1
CONTROL
VSS
2
NC
3
36
PWM
LATCH
COMPARATOR
CURRENT
LIMIT
2
CS
CURRENT
LIMIT
THERMAL
SENCE
OVERCURRENT
PROTECTION
ON/OFF
+
–
REFERENCE
VOLTAGE
SOFT
START
ERROR
AMP
OSC
3
4
5
6
OUT
8
7
OUT
6
OUT
5
OC
5
VOUT
4
VIN
7
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