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NCP1203D100R2G Datasheet(PDF) 3 Page - ON Semiconductor

Part No. NCP1203D100R2G
Description  PWM Current−Mode Controller for Universal Off−Line Supplies Featuring Standby and Short Circuit Protection
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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NCP1203D100R2G Datasheet(HTML) 3 Page - ON Semiconductor

 
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NCP1203
http://onsemi.com
3
Figure 2. Internal Circuit Architecture
OVERLOAD
MANAGEMENT
UVLO HIGH AND LOW
INTERNAL REGULATOR
±250 mA
HV CURRENT
SOURCE
INTERNAL VCC
8
7
6
5
HV
NC
VCC
Drv
1
2
3
4
Q FLIP−FLOP
DCmax = 80%
Q
250 ns
L.E.B.
40−60−100 kHz
CLOCK
+
+
80 k
20 k
57 k
1 V
CURRENT
SENSE
GROUND
FB
Adj
24 k
25 k
+
VREF
RESET
1.2 V
SKIP CYCLE
COMPARATOR
SET
MAXIMUM RATINGS
Rating
Symbol
Value
Unit
Power Supply Voltage
VCC, Drv
16
V
Power Supply Voltage on all other pins except Pin 5 (Drv), Pin 6 (VCC) and Pin 8 (HV)
−0.3 to 10
V
Maximum Current into all pins except Pin 6 (VCC) and Pin 8 (HV) when
10 V ESD diodes are activated
5.0
mA
Thermal Resistance, Junction−to−Air, PDIP−8 Version
Thermal Resistance, Junction−to−Air, SOIC Version
RqJA
RqJA
100
178
°C/W
°C/W
Maximum Junction Temperature
TJMAX
150
°C
Temperature Shutdown
170
°C
Hysteresis in Shutdown
30
°C
Operating Temperature Range
TJ
−40 to +125
°C
Storage Temperature Range
Tstg
−60 to +150
°C
ESD Capability, HBM Model, All pins except Pin 6 (VCC) and Pin 8 (HV)
2.0
kV
ESD Capability, Machine Model
200
V
Maximum Voltage on Pin 6 (VCC) and Pin 8 (HV) Decoupled to Ground with 10 mF
450
V
Maximum ratings are those values beyond which device damage can occur. Maximum ratings applied to the device are individual stress limit
values (not normal operating conditions) and are not valid simultaneously. If these limits are exceeded, device functional operation is not implied,
damage may occur and reliability may be affected.


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