NCL30000
+
OVP
+
?
V OVP
?
UVP
+
+
V UVP
MFP
E/A ?
+
g m
(Enable EA)
R MFP
+
V REF
COMP
V Control
V EAH
Clamp
Fault
V CC
Management
m V DD
V DD
V CC
V DD
PWM
Power Good
C t
275 m A*
Add Ct
Offset
?
+
DRV
S Q
CS
LEB
195 ns*
+
+
?
OCP
R Q
V CC
V ILIM
ZCD
+
+
?
V ZCD(ARM)
+
?
+
V ZCD(TRIG)
S Q
R Q
Reset
180 m s*
Demag
S Q
S Q
R Q
m V DD
DRV
ZCD
Off Timer
R Q
GND
Clamp
* Typical Values Shown
All SR Latches are Reset Dominant
Figure 1. Block Diagram
http://onsemi.com
2
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