NCP1607 查看數據表（PDF） - ON Semiconductor
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NCP1607 Datasheet PDF : 23 Pages
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NCP1607
VCC
VOUT
CBULK
DBOOST
Shutdown
POK
ROUT1
−
+
VUVP
UVP
FB
E/A −
(Enable EA)
Dynamic OVP
+
Isink>Iovp
ROUT2
CCOMP
ESD
RFB
VREF
Enable
VCONTROL
Measure
IEAsink
VDD
VEAL
Clamp
Static OVP
Static OVP is triggered
when clamp is activated.
AC IN LBOOST
Control
CT
CT
CS
RS
RZCD
ZCD
ESD
VDD
ICHARGE
ESD
VEAH
Clamp
Add VEAL
Offset
PWM
−
+
DRV
LEB
ESD
+ OCP
−
VCS(limit)
Demag
VDD
VCL(NEG)
Active
Clamp
+
−
SQ
VZCDH
+
RQ
−
VZCDL
Off Timer
−
Reset
+
Shutdown
VCL(POS)
Clamp
VSDL
uVDD
POK
SQ
RQ
SQ
RQ
SQ
RQ
VCC
UVLO
+
−
VDD Reg
VDD
VDDGD
Fault
uVDD
VCC
UVLO
SQ
RQ
VDDGD
uVDD
POK
DRV
GND
*All SR Latches are Reset Dominant
Figure 2. Block Diagram
http://onsemi.com
2
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