NCP3066, NCV3066
350
300
250
200
150
100
50
0
0 2 4 6 8 10 12 14 16 18 20
Ct, CAPACITANCE (nF)
Figure 5. Oscillator Frequency vs.
Timing Capacitor
150
145
140
135
130
125
120
0
5
10 15 20 25 30 35 40
VIN, INPUT VOLTAGE (V)
Figure 6. Oscillator Frequency vs. Supply
Voltage
2.3
ICE = 1.25 A
2.1
ICE = 1 A
1.9
ICE = 0.75 A
1.7
1.5
1.3 ICE = 0.5 A
1.1
ICE = 0.25 A
0.9
−40 −20 0 20 40 60 80 100 120 140
TJ, JUNCTION TEMPERATURE (°C)
Figure 7. Voltage Drop in Emitter Follower
Configuration
1.3
1.2
ICE = 1.25 A
1.1
ICE = 1 A
1.0
ICE = 0.75 A
0.9
0.8
ICE = 0.5 A
0.7
ICE = 0.25 A
0.6
−40 −20 0 20 40 60 80 100 120 140
TJ, JUNCTION TEMPERATURE (°C)
Figure 8. Common Emitter Configuration Output
Darlington Switch Voltage Drop vs. Temperature
0.240
0.200
0.238
0.195
0.236
0.234
0.232
0.190
0.185
0.180
0.175
0.230
−40 −20 0 20 40 60 80 100 120 140
TJ, JUNCTION TEMPERATURE (°C)
Figure 9. Vth vs. Temperature
0.170
−40 −20 0 20 40 60 80 100 120 140
TJ, JUNCTION TEMPERATURE (°C)
Figure 10. Current Limit Sense Voltage vs.
Temperature
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