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L6668 Datasheet(PDF) 8 Page - STMicroelectronics

Part # L6668
Description  SMART PRIMARY CONTROLLER
Download  23 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L6668 Datasheet(HTML) 8 Page - STMicroelectronics

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Figure 11. Start-up & UVLO vs. Tj
Figure 12. Vcc Zener voltage vs. Tj
Figure 13. COMP voltage upper clamp level vs. Tj
Figure 14. COMP source current vs. Tj
Figure 15. COMP dynamic resistance vs. Tj
Figure 16. Max. duty-cycle vs. Tj
Tj (°C)
V
CC (pin 5)
(V)
-50
0
50
100
150
8
9
10
11
12
13
14
ON
OFF
OFF while
latched off
Tj (°C)
VccZ (pin 5)
(V)
-50
0
50
100
150
20
21
22
23
24
25
26
Tj (°C)
V
COMP(pin 10)
(V)
-50
0
50
100
150
5
5.5
6
6.5
7
Vcc = 15 V
Tj (°C)
ICOMP(pin 10)
-50
0
50
100
150
60%
80%
100%
120%
140%
Vcc = 15 V
VCOMP= 1 V
Values normalized to ICOMP @ 25°C
RCOMP (pin 10)
(k
Ω)
-50
0
50
100
150
18
20
22
24
26
28
30
32
Vcc = 15 V
Tj (°C)
RCOMP (pin 10)
(k
Ω)
-50
0
50
100
150
18
20
22
24
26
28
30
32
Vcc = 15 V
Tj (°C)
Tj (°C)
-50
0
50
100
150
70
71
72
73
74
75
Vcc = 15 V
(%)


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