Datasheet
NCP1010, NCP1011, NCP1012, NCP1013, NCP1014
http://onsemi.com
6
ELECTRICAL CHARACTERISTICS (continued) (For typical values T
J
=25C, for min/max values T
J
=--40C to +125C,
Max T
J
= 150C, V
CC
= 8.0 V unless otherwise noted.)
Rating Pin Symbol Min Typ Max Unit
INTERNAL OSCILLATOR
Oscillation Frequency, 65 kHz Version, T
J
=25C(Note4) -- f
OSC
59 65 71 kHz
Oscillation Frequency, 100 kHz Version, T
J
=25C(Note4) -- f
OSC
90 100 110 kHz
Oscillation Frequency, 130 kHz Version, T
J
=25C(Note4) -- f
OSC
117 130 143 kHz
Frequency Dithering Compared to Switching Frequency
(with active DSS)
-- f
dither
-- 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) -- Ts s -- 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 -- -- -- 50 -- C
4. See characterization curves for temperature evolution.
TYPICAL CHARACTERISTICS
Figure 3. IC1 @ V
CC
=8.0V,FB=1.5V
vs. Temperature
-- 1 2
-- 9
-- 8
-- 7
-- 6
-- 5
-- 4
-- 3
-- 2
--20 0 20 40 60 100 120
TEMPERATURE (C)
IC1 ( mA)
Figure 4. ICC1 @ V
CC
=8.0V,FB=1.5V
vs. Temperature
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
1.5
--20 0 20 40 60 100 120
TEMPERATURE (C)
ICC1 (mA)
Figure 5. ICC2 @ V
CC
=6.0V,FB=Open
vs. Temperature
0.20
0.22
0.24
0.26
0.28
0.30
0.32
0.34
0.36
0.38
0.40
--40 0 20 40 60 80 120
TEMPERATURE (C)
ICC2 (mA)
Figure 6. V
CC
OFF, FB = 1.5 V vs. Temperature
8.2
8.3
8.4
8.5
8.6
8.7
8.8
8.9
9.0
--40 0 20 40 60 100 120
TEMPERATURE (C)
VCC--OFF ( V )
--40 80
-- 1 0
-- 11
--40 80
--20 100
--20 80