NCP1027(2015) Ver la hoja de datos (PDF) - ON Semiconductor
Número de pieza
componentes Descripción
Lista de partido
NCP1027
(Rev.:2015)
(Rev.:2015)
ON Semiconductor
NCP1027 Datasheet PDF : 30 Pages
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NCP1027
IC1
VCC
Vclamp
Auto−Recovery OVP
+
-+
+ 20 ms RC
-
+
S
Vlatch
Q
Q
R
VCC < 4 V
IBO
Reset
50 ms RC
BO
+
-
VBO +
VCC
Mngt
Fault
UVLOs
4 V rst
VDD
LEB
Timer
Ramp
Comp.
65 kHz or
100 kHz
Jittering
CLOCK
S
Icomp Vdd
Q
Q
R
25%
+ of lp
+ Skip
-
Ip Flag
Vcc
Vdd
RFB
-+
Soft−Start
UVLO
FB
GND
OPP
Drain
+
-
Ip Flag
Max Ip Selection
Over Power
Protection Input
Ramp Compensation
Figure 2. Internal Block Diagram
www.onsemi.com
3
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