L4984D STMicroelectronics, L4984D Datasheet - Page 13

• 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 9.
Figure 11. Inductor saturation threshold vs. Tj Figure 12. V
Figure 13. Timer pin charging current vs. Tj
200
190
180
170
160
150
140
130
120
110
100
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
-50
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
-50
1
0
-50
UVLO saturation vs. Tj
-25
-25
-25
0
0
0
25
25
25
50
50
50
Tj (C)
Tj (C)
Tj (C)
75
75
75
100
100
100
VCC = 0V
125
125
125
150
150
150
Doc ID 023489 Rev 3
175
175
AM13225v1
AM13227v1
AM13229v1
175
Figure 10. OVP levels vs. Tj
Figure 14. Brownout threshold (on VFF) vs. Tj
0.89
0.88
0.87
0.86
0.85
0.9
2.48
2.46
2.44
2.42
2.38
2.36
0.9
0.8
0.7
0.6
0.5
0.4
2.5
2.4
-50
1
-50
-50
-25
-25
-25
cs
clamp vs. Tj
0
0
0
Typical electrical performance
25
25
25
50
50
50
Tj (C)
Tj (C)
Tj (C)
75
75
75
VCC = V
VCOMP = Upper Clamp
100
100
100
Enable
Disable
125
OVP Th
Restart Th
125
125
150
150
150
175
175
AM13230v1
175
AM13226v1
AM13228v1
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