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L5993 データシート(PDF) 7 Page - STMicroelectronics

部品番号 L5993
部品情報  CONSTANT POWER CONTROLLER
PDF  22 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L5993 データシート(HTML) 7 Page - STMicroelectronics

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0
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60708090 100
1
1.5
2
2.5
3
3.5
Duty Cycle [%]
DC Control Voltage Vpin3 [V]
Rt = 4.5Kohm,
Ct = 1nF
V15 = 0V
V15 = Vref
Figure 17. Maximum Duty Cycle vs Vpin3.
0.01
0.1
1
10
100
1000
10000 100000
0
50
100
150
20
40
60
80
100
120
140
f(KHz)
G [dB]
Phase
Figure 19. E/A frequency response.
2468
10
300
600
900
1,200
1,500
Timing capacitor Ct [nF]
Dead time [ns]
Rt =4.5Kohm
V15 = 0V
V15 = Vref
Figure 16. Dead time vs Ct.
-50
-25
0
25
50
75
100
125
150
280
290
300
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Tj (
°C)
fsw (KHz)
Rt= 4.5Kohm, Ct = 1nF
Vcc = 15V, V15= 0
Figure 15. Switching frequency vs. temperature.
-50
-25
0
25
50
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100
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150
28
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Tj (
°C)
Delay to output (ns)
PIN10 = OPEN
1V pulse
on PIN13
Figure 18. Delay to output vs junction tem-
perature.
L5993
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