CS5127 View Datasheet(PDF) - Cherry semiconductor
Part Name
Description
MFG CO.
CS5127
Cherry semiconductor
'CS5127' PDF : 24 Pages View PDF
Typical Performance Characteristics: continued
91.5
91.0
90.5
90.0
89.5
89.0
88.5
0
10
20
30
40
50
60
70
Temperature (C)
1.65
1.60
1.55
1.50
1.45
1.40
1.35
1.30
1.25
1.20
0
10
20
30
40
50
60
70
Temperature (C)
Figure 25: Oscillator Maximum Duty Cycle vs Temperature.
Figure 28: SYNC Threshold vs Temperature.
210
170
208
165
206
160
155
204
150
202
145
200
0
10
20
30
40
50
60
70
Temperature (C)
140
0
10
20
30
40
50
60
70
Temperature (C)
Figure 26: Oscillator Frequency vs Temperature. CT = 330pF, RT =27k
Figure 29: SYNC Input Current vs Temperature (VSYNC = 2.4V).
95
1.2785
150pF
90
1.2780
1.2775
85
1.2770
80
390pF
680pF
1.2765
75
70
20 22 24 26
3.3nF
1.5nF
28 30 32 34 36 38 40
RT (kW)
1.2760
1.2755
0
10
20
30
40
50
60
70
Temperature (C)
Figure 27: Oscillator Duty Cycle vs CT, RT (VIN = 12V, T = 25C).
Figure 30: VFB Reference Voltage vs Temperature.
19
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