L6668_06 STMICROELECTRONICS [STMicroelectronics], L6668_06 Datasheet - Page 8

• Manufacturer Part Number: L6668_06
• Description: SMART PRIMARY CONTROLLER
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

L6668
Figure 11. Start-up & UVLO vs. Tj
Figure 12. Vcc Zener voltage vs. Tj
Figure 13. COMP voltage upper clamp level vs. Tj
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V
(V)
CC (pin 5)
Vcc
(V)
V
(V)
COMP
Z (pin 5)
26
25
24
23
22
21
20
14
13
12
11
10
6.5
5.5
(pin 10)
9
8
-50
7
6
5
-50
-50
ON
latched off
OFF while
OFF
0
0
0
Tj (°C)
Tj (°C)
Tj (°C)
50
50
50
Vcc = 15 V
100
100
100
150
150
150
Figure 14. COMP source current vs. Tj
Figure 15. COMP dynamic resistance vs. Tj
Figure 16. Max. duty-cycle vs. Tj
R
R
(kΩ)
(kΩ)
I
COMP
COMP (pin 10)
COMP (pin 10)
(%)
32
32
30
30
28
28
26
26
24
24
22
22
20
20
18
18
140%
120%
100%
(pin 10)
75
74
73
72
71
70
80%
60%
-50
-50
-50
-50
Values normalized to I
0
0
0
0
Tj (°C)
Tj (°C)
Tj (°C)
Tj (°C)
50
50
50
50
COMP
V
Vcc = 15 V
Vcc = 15 V
100
COMP
100
100
Vcc = 15 V
Vcc = 15 V
@ 25°C
100
= 1 V
150
150
150
150