L6562AT Datasheet, PDF (10/25 Pages) STMicroelectronics – Transition-mode PFC controller

Typical electrical characteristic
L6562AT
Figure 11. Multiplier characteristic
p
1.2
1.1 ^{Upper Volt. Clamp}
5.75 V
1.0
0.9
5V
0.8
4.5V
0.7
V COMP (pin2) (V)
4V
3.5V
0.6
0.5
3V
0.4
0.3
0.2
0.1
2.5 V
0.0
-0.1
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 2.2 2.4 2.6 2.8 3
VMULT (pin3) (V)
Figure 12. Vcs clamp vs T_J
1.3
Vcc = 12V
VCOMP = Upper clamp
1.2
1.1
1
-50
0
50
100
150
Tj (°C)
Figure 13. ZCD clamp levels vs T_J
p
j
7
Upper clamp
6
5
4
Vcc = 12V
IZCD = ±2.5 mA
3
2
Figure 14. Start-up timer vs T_J
p
j
200
190
180
170
Vcc = 12V
1
Lower clamp
160
0
-1
-50
0
50
100
150
150
Tj (°C)
-50
0
50
100
150
Tj (°C)
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