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NCP1203_15 Datasheet, PDF (3/15 Pages) ON Semiconductor – PWM Current-Mode Controller for Universal Off-Line Supplies Featuring Standby and Short Circuit Protection
NCP1203
Adj
1
FB
2
CURRENT
SENSE
3
GROUND
4
HV
8
HV CURRENT
SOURCE
80 k
1.2 V
SKIP CYCLE
+ COMPARATOR
NC
-
UVLO HIGH AND LOW
7
INTERNAL VCC INTERNAL REGULATOR
24 k
Q FLIP−FLOP
250 ns
L.E.B.
40−60−100 kHz
CLOCK
SET DCmax = 80% Q
OVERLOAD
MANAGEMENT
VCC
6
RESET
20 k
57 k
VREF
+
−
25 k
+
-
1V
Drv
±250 mA
5
Figure 2. Internal Circuit Architecture
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
Thermal Resistance, Junction−to−Case
Maximum Junction Temperature
Temperature Shutdown
RqJA
RqJA
RqJC
TJMAX
−
100
°C/W
178
57
150
°C
170
°C
Hysteresis in Shutdown
−
30
°C
Operating Temperature Range
Storage Temperature Range
ESD Capability, Human Body Model, All pins except Pin 6 (VCC) and Pin 8 (HV)
ESD Capability, Machine Model
TJ
−40 to +125
°C
Tstg
−60 to +150
°C
−
2.0
kV
−
200
V
Maximum Voltage on Pin 8 (HV) with Pin 6 (VCC) Decoupled to Ground with 10 mF
−
500
V
Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality
should not be assumed, damage may occur and reliability may be affected.
1. This device series contains ESD protection rated using the following tests:
Human Body Model (HBM) 2000 V per JEDEC Standard JESD22, Method A114E.
Machine Model (MM) 200 V per JEDEC Standard JESD22, Method A115A.
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