NCP1608 Ver la hoja de datos (PDF) - ON Semiconductor
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NCP1608 Datasheet PDF : 24 Pages
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NCP1608
Application Information
ON Semiconductor provides an electronic design tool, a
demonstration board, and an application note to facilitate
the design of the NCP1608 and reduce development cycle
time. All the tools can be downloaded or ordered at
www.onsemi.com .
The electronic design tool allows the user to easily
determine most of the system parameters of a boost
pre−converter. The demonstration board is a boost
pre−converter that delivers 100 W at 400 V. The circuit
schematic is shown in Figure 47. The pre−converter design
is described in Application Note AND8396/D.
F1
L1
J2
L2
C1
Rstart1 Rstart2
Lboost
Dboost NTC
J3
t°
Bridge
Rctup1
R1 C3
Daux
D1
+
CVcc
Dvcc
Ro1a
Rzcd
C2
Rctup2
Ro1b
Cin
J1
Rcomp1
Ccomp
Ccomp1
Rct
Ct2 Ct1
U1
NCP1608
1
2
3
4
FB
Control
Ct
CS
Vcc
DRV
GND
ZCD
8
7
6
5
Rcs
Ccs
Czcd
Cbulk +
CVcc2 Ddrv
Rdrv
Q1
Rout2a
Rout2b
Rs3 Rs2 Rs1
Figure 47. Application Schematic
http://onsemi.com
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