NCP1050, NCP1051, NCP1052, NCP1053, NCP1054, NCP1055
ELECTRICAL CHARACTERISTICS (V = 8.0 V, for typical values T = 25°C, for min/max values, T is the operating junction
CC
J
J
temperature range that applies (Note 1), unless otherwise noted.)
Characteristics
OSCILLATOR
Symbol
Min
Typ
Max
Unit
Frequency (V = 7.5 V)
f
kHz
CC
OSC(low)
T = 25°C:
J
44 kHz Version
100 kHz Version
136 kHz Version
38
87
119
42.5
97
132
47
107
145
T = T
to T
J
low
high
44 kHz Version
100 kHz Version
136 kHz Version
37
84
113
−
−
−
47
107
145
Frequency (V = 8.5 V)
f
kHz
CC
OSC(high)
T = 25°C:
J
44 kHz Version
100 kHz Version
136 kHz Version
41
93
126
45.5
103
140
50
113
154
T = T
to T
J
low
high
44 kHz Version
100 kHz Version
136 kHz Version
39
90
120
−
−
−
50
113
154
Frequency Sweep (V = 7.5 V to 8.5 V, T = 25°C)
%f
−
5.0
77
−
%
%
CC
J
OSC
Maximum Duty Cycle
D
(max)
74
80
CONTROL INPUT
Lower Window Input Current Threshold
ꢀ
A
Switching Enabled, Sink Current Increasing
Switching Disabled, Sink Current Decreasing
Upper Window Input Current Threshold
I
I
−58
−50
−47.5
−37.5
−37
−25
off(low)
on(low)
Switching Enabled, Source Current Increasing
Switching Disabled, Source Current Decreasing
I
I
37
25
47.5
37.5
58
50
off(high)
on(high)
Control Window Input Voltage
V
Lower (I
Upper (I
= 25 ꢀ A)
= 25 ꢀ A)
1.1
4.2
1.35
4.6
1.6
5.0
sink
source
V
low
V
high
1. Tested junction temperature range for the NCP105X series:
= −40°C = +125°C
T
T
high
low
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