NCP1336 ONSEMI [ON Semiconductor], NCP1336 Datasheet - Page 4

• Manufacturer Part Number: NCP1336
• Description: Quasi-Resonant Current Mode Controller for High Power Universal Off-Line Supplies
• Manufacturer: ONSEMI [ON Semiconductor]

OPP
ZCD
Laux
GND
FB
CS
Ct
Rpullup
10 V
ESD
VDD
ICt
Blanking
Leading
/4
Edge
Ipeak_min = 25% Limit
DRV
Discharge
VDD
Setpoint
Ct
+
Ct
Vth
Ilimit
3us Pulse
+
+
−
+
−
+
−
+
−
+
−
−
100 ns
Leakage
Blanking
Ilimit
+ Vopp
Soft−Start
SS End
Figure 2. Internal Circuit Architecture
VCO
VDD
Soft−Start End ? Then 1 Else 0
5us Timeout
Demag
2nd
1st
3rd
4th
Decimal Counter
+
−
+
−
+
−
+
−
1
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2 3 4
CLK
PWM Reset
4
IpFlag
rst
S
R
Q
Q
DRV
BO Reset
PNOK
Latch
BO Reset
PWMReset
Q
Q
noise delay
Noise Delay
Grand
Reset
S
IpFlag
R
Grand
Reset
VDD
V
Latched
CC
Grand
Reset
A:
Management
SS End
TSD
Fault
+
S
R
−
Q
ItimerC
ItimerD
Q
+
−
−
+
−
+
Startup
Clamp
IOTP
VBO
Vdd
VOTP
VOVP
HV
VDD
IBO
VCC
HV
DRV
OVP
OTP
BO
Timer
HV
VCC
HV
Aux
Gate
T°
+