NCP1200
8
7
6
5
1
2
3
4
Adj
FB
HV
NC
HV Current
Source
Skip Cycle
Comparator
75.5 k
1.4 V
+
UVLO
Internal
-
High and Low
Internal Regulator
V
CC
29 k
Q Flip–Flop
DCmax = 80%
Set
40, 60 or
100 kHz
Clock
Q
Current
Sense
250 ns
L.E.B.
V
CC
Reset
+
-
8 k
60 k
Ground
Drv
+
-
V
5.2 V
1 V
ref
±110 mA
20 k
Overload?
Fault Duration
Figure 2. Internal Circuit Architecture
MAXIMUM RATINGS
Rating
Symbol
Value
Units
V
Power Supply Voltage
V
R
16
CC
Thermal Resistance Junction–to–Air, PDIP8 version
Thermal Resistance Junction–to–Air, SOIC version
100
178
°C/W
q
q
JA
JA
R
Maximum Junction Temperature
Typical Temperature Shutdown
T
Jmax
–
150
140
°C
Storage Temperature Range
T
–60 to +150
2.0
°C
kV
V
stg
ESD Capability, HBM model (All pins except V and HV)
–
–
–
–
CC
ESD Capability, Machine model
200
Maximum Voltage on pin 8 (HV), pin 6 (V ) grounded
450
V
CC
Maximum Voltage on pin 8 (HV), pin 6 (V ) decoupled to ground with 10 µF
500
V
CC
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3
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