NCP1010, NCP1011, NCP1012, NCP1013, NCP1014
ELECTRICAL CHARACTERISTICS (continued) (For typical values TJ = 25°C, for min/max values TJ = −40°C to +125°C,
Max TJ = 150°C, VCC= 8.0 V unless otherwise noted.)
Rating
Pin Symbol
Min
Typ
Max
Unit
INTERNAL OSCILLATOR
Oscillation Frequency, 65 kHz Version, TJ = 25°C (Note 4)
Oscillation Frequency, 100 kHz Version, TJ = 25°C (Note 4)
Oscillation Frequency, 130 kHz Version, TJ = 25°C (Note 4)
Frequency Dithering Compared to Switching Frequency
(with active DSS)
−
fOSC
59
65
71
kHz
−
fOSC
90
100
110
kHz
−
fOSC
117
130
143
kHz
−
fdither
−
"3.3
−
%
Maximum Duty−cycle
−
Dmax
62
67
72
%
FEEDBACK SECTION
Internal Pull−up Resistor
4
Rup
−
18
−
kW
Internal Soft−Start (Guaranteed by Design)
−
Tss
−
1.0
−
ms
SKIP−CYCLE GENERATION
Default Skip Mode Level on FB Pin
4
Vskip
−
0.5
−
V
TEMPERATURE MANAGEMENT
Temperature Shutdown
−
TSD
140
150
160
°C
Hysteresis in Shutdown
4. See characterization curves for temperature evolution.
−
−
−
50
−
°C
TYPICAL CHARACTERISTICS
−2
−3
−4
−5
−6
−7
−8
−9
−10
−11
−12
−40 −20
0 20 40 60 80 100 120
TEMPERATURE (°C)
Figure 3. IC1 @ VCC = 8.0 V, FB = 1.5 V
vs. Temperature
0.40
0.38
0.36
0.34
0.32
0.30
0.28
0.26
0.24
0.22
0.20
−40 −20
0 20 40 60 80 100 120
TEMPERATURE (°C)
Figure 5. ICC2 @ VCC = 6.0 V, FB = Open
vs. Temperature
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
−40 −20
0 20 40 60 80 100 120
TEMPERATURE (°C)
Figure 4. ICC1 @ VCC = 8.0 V, FB = 1.5 V
vs. Temperature
9.0
8.9
8.8
8.7
8.6
8.5
8.4
8.3
8.2
−40 −20
0 20 40 60 80 100 120
TEMPERATURE (°C)
Figure 6. VCC OFF, FB = 1.5 V vs. Temperature
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