NCP1351 ON Semiconductor, NCP1351 Datasheet - Page 4
NCP1351
Manufacturer Part Number
NCP1351
Description
Variable Off Time Controller Featuring Short-circuit Protection
Manufacturer
ON Semiconductor
Datasheet
1.NCP1351.pdf
(27 pages)
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GND
CS
FB
Ct
V
DD
IC
t
ICS-min*
Vth
40 mA
ICS-dif*
ICS-dif*
+
+
-
V
DD
V
Figure 3. B Version (Auto-recovery Short-Circuit Protection)
DD
*(ICS-diff = ICS-max -ICS-min)
V
45k
OFFset
+
R
S
Q
Q
+
+
-
V
Pulse
Fault
1 ms
http://onsemi.com
NCP1351
4
I
P Flag
Q
Q
4V Reset
S
R
S
R
Q
Q
20 ms Filter
V
DD
VCC
1 = OK
0 = not OK
UVLO Reset
UVLO Reset
Mngt
V
STOP
CC
VI
TIMER
+
-
+
-
Clamp
Fault = Low
+
+
V
LATCH
V
ZENER
V
DD
I
TIMER
TIMER
LATCH
V
DRV
CC