L4984D STMicroelectronics, L4984D Datasheet - Page 15

• Manufacturer Part Number: L4984D
• Description: Power Factor Correction ICs Current Mode PFC CCM Line Modulated Bi
• Manufacturer: STMicroelectronics

Specifications of L4984D

• Rohs: yes

L4984
Figure 20. Multiplier characteristics at V
Figure 22. Multiplier gain vs. Tj
Figure 24. Gate drive output saturation vs. Tj
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
0.5
0.4
0.3
0.2
12
10
-50
0
8
6
4
2
0
-50
0.1
-25
-25
0.2
0
0
0.3
25
Multiplier Gain vs. Tj
25
0.4
VMULT (V)
50
50
0.5
Tj (C)
Tj (C)
75
0.6
75
VCC = 12V
VCOMP = 4V
VMULT = VFF = 1V
Upper voltage clamp
100
0.7
100
High level
Low level
0.8
125
125
0.9
150
150
VCOMP
1
4.0 V
5.5 V
5.0 V
4.5 V
3.5 V
3.0 V
2.6 V
175
Doc ID 023489 Rev 3
175
1.1
AM13236v1
AM13238v1
AM13240v1
FF
=1 V Figure 21. Multiplier characteristics at V
Figure 23. Gate drive clamp vs. Tj
Figure 25. Delay to output vs. Tj
500
450
400
350
300
250
200
150
100
12.85
12.75
12.65
50
12.9
12.8
12.7
300
250
200
150
100
0
50
0
-50
-50
-25
-25
0.5
VFF = 3 V
0
0
Typical electrical performance
1
VCC = 20V
25
25
1.5
50
50
VMULT (V)
Tj (C)
Tj (C)
Upper voltage clamp
75
75
2
100
100
2.5
125
125
VCC = 12V
150
150
3
VCOMP
5.5 V
5.0 V
4.5 V
4.0 V
3.5 V
3.0 V
2.6 V
175
175
AM13237v1
AM13239v1
AM13241v1
3.5
FF
=3 V
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