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NCP1200 Datasheet(PDF) 3 Page - ON Semiconductor

Part No. NCP1200
Description  PWM Current−Mode Controller for Low−Power Universal Off−Line Supplies
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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NCP1200 Datasheet(HTML) 3 Page - ON Semiconductor

 
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NCP1200
http://onsemi.com
3
+
+
+
250 ns
L.E.B.
40, 60 or
100 kHz
Clock
Overload?
Fault Duration
Skip Cycle
Comparator
1 V
Vref
5.2 V
Q Flip−Flop
DCmax = 80%
±250 mA
20 k
60 k
8 k
75.5 k
29 k
1.4 V
Reset
Q
Set
UVLO
High and Low
Internal Regulator
HV Current
Source
Internal
VCC
4
3
2
1
Current
Sense
FB
Adj
Ground
Drv
VCC
NC
HV
8
7
6
5
Figure 2. Internal Circuit Architecture
MAXIMUM RATINGS
Rating
Symbol
Value
Units
Power Supply Voltage
VCC
16
V
Thermal Resistance Junction−to−Air, PDIP−8 version
Thermal Resistance Junction−to−Air, SOIC version
RqJA
RqJA
100
178
°C/W
Maximum Junction Temperature
Typical Temperature Shutdown
TJmax
150
140
°C
Storage Temperature Range
Tstg
−60 to +150
°C
ESD Capability, HBM Model (All Pins except VCC and HV)
2.0
kV
ESD Capability, Machine Model
200
V
Maximum Voltage on Pin 8 (HV), pin 6 (VCC) Grounded
450
V
Maximum Voltage on Pin 8 (HV), Pin 6 (VCC) Decoupled to Ground with 10 mF
500
V
Minimum Operating Voltage on Pin 8 (HV)
30
V
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.


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