NCP1010, NCP1011, NCP1012, NCP1013, NCP1014
www.onsemi.com
5
ELECTRICAL CHARACTERISTICS (For typical values T
J
= 25°C, for min/max values T
J
= −40°C to +125°C, Max T
J
= 150°C,
V
CC
= 8.0 V unless otherwise noted.)
Rating UnitMaxTypMinSymbolPin
POWER SWITCH CIRCUIT
Power Switch Circuit and Startup Breakdown Voltage
(ID
(off)
= 120 mA, T
J
= 25°C)
5 BVdss 700 − − V
Power Switch and Startup Breakdown Voltage Off−state Leakage Current
T
J
= −40°C (Vds = 650 V)
T
J
= 25°C (Vds = 700 V)
T
J
= 125°C (Vds = 700 V)
5
5
5
I
DS(OFF
)
−
−
−
70
50
30
120
−
−
mA
Switching Characteristics (RL = 50 W, Vds Set for Idrain = 0.7 x Ilim)
Turn−on Time (90%−10%)
Turn−off Time (10%−90%)
5
5
ton
toff
−
−
20
10
−
−
ns
INTERNAL STARTUP CURRENT SOURCE
High−voltage Current Source, V
CC
= 8.0 V
NCP1012/13/14 0°C < T
J
< 125°C
−40°C < T
J
< 125°C
NCP1010/11 0°C < T
J
< 125°C
−40°C < T
J
< 125°C
1 IC1
5.0
5.0
5.0
5.0
8.0
8.0
8.0
8.0
10
11
10.3
11.5
mA
High−voltage Current Source, V
CC
= 0 1 IC2 − 10 − mA
Minimum Start−up Drain Voltage (I
start
= 0.5 mA, V
cc
= V
cc(on)
− 0.2 V) 5 V
start(min)
− 15 − V
CURRENT COMPARATOR T
J
= 25°C (Note 2)
Maximum Internal Current Setpoint, NCP1010 (Note 3)
5 Ipeak (22) 90 100 110 mA
Maximum Internal Current Setpoint, NCP1011 (Note 3) 5 Ipeak (22) 225 250 275 mA
Maximum Internal Current Setpoint, NCP1012 (Note 3) 5 Ipeak (11) 225 250 275 mA
Maximum Internal Current Setpoint, NCP1013 (Note 3) 5 Ipeak (11) 315 350 385 mA
Maximum Internal Current Setpoint, NCP1014 (Note 3) 5 Ipeak (11) 405 450 495 mA
Default Internal Current Setpoint for Skip−Cycle Operation, Percentage of
Max Ip
− I
Lskip
− 25 − %
Propagation Delay from Current Detection to Drain OFF State − T
DEL
− 125 − ns
Leading Edge Blanking Duration − T
LEB
− 250 − ns
INTERNAL OSCILLATOR
Oscillation Frequency, 65 kHz Version, T
J
= 25°C (Note 4) − f
OSC
59 65 71 kHz
Oscillation Frequency, 100 kHz Version, T
J
= 25°C (Note 4) − f
OSC
90 100 110 kHz
Oscillation Frequency, 130 kHz Version, T
J
= 25°C (Note 4) − 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 −
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 − − − 50 − °C
2. See characterization curves for temperature evolution.
3. Adjust di/dt to reach Ipeak in 3.2 msec.
4. See characterization curves for temperature evolution.
Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product
performance may not be indicated by the Electrical Characteristics if operated under different conditions.
