NCP1000, NCP1001, NCP1002
0.800
2
0.700
0.600
1.5
0.500
0.400
1
0.300
0.200
0.5
0.100
0.000
0.8
1
1.2
1.4
1.6
1.8
lfb (mA)
Figure 2. Duty Cycle vs. FB Input Current
0
0 1 2 34 5 6 7 8 9
VCC (V)
Figure 3. ICC vs. VCC
1000
100
10
1
1
10
100
Capacitance (mF)
Figure 4. Charge Time vs. VCC Capacitance
4.00
3.50
3.00
2.50
2.00
1.50
1.00
0.50
VCC = 4.0 V
0.00
1
10
100
Startup Voltage (V) (Pin 4)
1000
Figure 5. Startup Current vs. Startup Voltage
100
NCP1002
NCP1001
10
NCP1000
1.0
10
100
Switch Voltage (V)
Figure 6. Power Switch Circuit
Capacitance vs. Voltage
1000
104.0
102.0
100.0
98.0
96.0
94.0
92.0
90.0
88.0
86.0
−40 −25
0
25
50
75 100 125
Temperature (°C)
Figure 7. Oscillator Frequency
vs. Temperature
http://onsemi.com
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