NCP1011(2010) 查看數據表（PDF） - ON Semiconductor
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NCP1011
(Rev.:2010)
(Rev.:2010)
ON Semiconductor
NCP1011 Datasheet PDF : 24 Pages
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NCP1010, NCP1011, NCP1012, NCP1013, NCP1014
ELECTRICAL CHARACTERISTICS (continued) (For typical values TJ = 25C, for min/max values TJ = --40C to +125C,
Max TJ = 150C, VCC= 8.0 V unless otherwise noted.)
Rating
Pin Symbol
Min
Typ
Max
Unit
INTERNAL OSCILLATOR
Oscillation Frequency, 65 kHz Version, TJ = 25C (Note 4)
Oscillation Frequency, 100 kHz Version, TJ = 25C (Note 4)
Oscillation Frequency, 130 kHz Version, TJ = 25C (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
--
kΩ
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
Hysteresis in Shutdown
4. See characterization curves for temperature evolution.
--
TSD
140
150
160
C
--
--
--
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
TEMPERATURE (C)
100 120
Figure 6. VCC OFF, FB = 1.5 V vs. Temperature
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