SCY99194 Datasheet, PDF (13/40 Pages) ON Semiconductor – Fixed Frequency Current Mode Controller

SCY99194
TYPICAL CHARACTERISTIC
9.4
9.2
9.0
8.8
8.6
8.4
8.2
8.0
−50 −25
0 25 50 75 100 125
TEMPERATURE (°C)
Figure 30. V_CC Turn−off Threshold (UVLO)
V_CC(off)
2.0
1.9
1.9
1.8
1.8
1.7
1.7
−50 −25
0 25 50 75 100 125
TEMPERATURE (°C)
Figure 32. Internal Current Consumption when
DRV Pin is Unloaded
7.3
7.2
7.1
7.0
6.9
6.8
6.7
6.6
6.5
6.4
−50 −25
0
25
50
75 100 125
TEMPERATURE (°C)
Figure 31. V_CC Decreasing Level at Which the
Internal Logic Resets V_CC(reset)
3.2
3.0
2.8
2.6
2.4
2.2
2.0
−50 −25
0
25
50
75 100 125
TEMPERATURE (°C)
Figure 33. Internal Current Consumption when
DRV Pin is Loaded by 1 nF
4.0
3.9
3.8
3.7
3.6
3.5
3.4
3.3
3.2
−50
−25
0
25 50 75 100 125
TEMPERATURE (°C)
Figure 34. X2 Discharge Comparator
Hysteresis Observed at HV Pin V_HV(hyst)
1.10
1.08
1.06
1.04
1.02
1.00
0.98
0.96
0.94
0.92
0.90
−50 −25
0
25
50
75 100 125
TEMPERATURE (°C)
Figure 35. HV Signal Sampling Period T_sample
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