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SCY99194 Datasheet, PDF (9/40 Pages) ON Semiconductor – Fixed Frequency Current Mode Controller
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SCY99194
TYPICAL CHARACTERISTIC
1.15
1.13
1.11
1.09
1.07
1.05
1.03
1.01
0.99
0.97
0.95
−50 −25
0
25
50
75 100 125
TEMPERATURE (°C)
Figure 9. Threshold for Immediate Fault
Protection Activation VCS(stop)
110
100
90
80
70
60
50
40
−50 −25
0
25
50
75 100 125
TEMPERATURE (°C)
Figure 10. Propagation Delay tdelay
300
290
280
270
260
250
240
230
220
210
200
−50 −25
0
25
50
75 100 125
TEMPERATURE (°C)
Figure 11. Leading Edge Blanking Duaration
tLEB
24
23
22
21
20
19
18
17
16
15
−50 −25
0
25
50
75 100 125
TEMPERATURE (°C)
Figure 13. FB Pin Internal Pull−up Resistor
RFB(up)
130
125
120
115
110
105
100
−50 −25
0
25
50
75 100 125
TEMPERATURE (°C)
Figure 12. Maximum Overpower
Compensating Current IOPC(365) Flowing Out
of CS Pin
5.20
5.15
5.10
5.05
5.00
4.95
4.90
4.85
4.80
4.75
4.70
−50
−25
0
25
50
75 100 125
TEMPERATURE (°C)
Figure 14. FB Pin Open Voltage VFB(ref)
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