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– POWER Board –
IC901 STR-F6138-LF1352 (MX)
TE
L 13942296513
IC901 STR-F6168-LF1352 (EXCEPT MX)
OVER
CURRENT
PROTECT
www
.
http://www.xiaoyu163.com
UVL0
+
OVP
ON=16V
–
OFF=10.5V
TSD
Reg1
IOLP
+
Internal
–
Bias
Volp
Reg3
Current mirror
CURRENT
MIRROR
OSC
OVER
BOTTOM
CURRENT
PROTECT
SKIP
2
LOGIC
LOGIC
FEED
INH
BACK
2
2
x
ao
y
i
1
http://www.xiaoyu163.com
8
Reg2
Delay
Delay
Latch
OCP1
INH1
Boottom Skip
OSC
Logic
INH2
OCP2
Logic
FB
OCP2
Q Q
3
6 7
1 3
Vocp(BSIN,OUT)
DELAY
DELAY
OVER
OVER VOLTAGE
INH
CURRENT
PROTECT
1
PROTECT
1
SWITCHING
u163
REGULATOR
BLOCK
.
2
3
4
2 9
9 4
2 8
POWER
Rg2
MOS FET
Rg3
Rg1
+
–
Vocp
+
–
Vth1
+
–
Vth2
1 5
0 5
8
2 9
9 4
LATCH
THERMAL
OVER LOAD
SHUT DOWN
PROTECT
INTERNAL BIAS
m
UNDER VOLTAGE
co
LOCK OUT
HCD-DZ7T
Ver. 1.1
9 9
5
FB/OLP
4
Vcc
3
Drain
2
S/GND
1
OCP/INH
2 8
9 9
5
65
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