L6562 STMicroelectronics, L6562 Datasheet - Page 7

• Manufacturer Part Number: L6562
• Description: Transition mode
• Manufacturer: STMicroelectronics

Specifications of L6562

• Input Voltage: 90 to 265 Vac, 50 - 60 Hz
• Pout: 250 W
• Power Factor: ≥ 0.94 at 230 Vac

Figure 14. Vcs clamp vs. T
Figure 15. Start-up timer vs. T
Figure 16. ZCD clamp levels vs. T
Tstart
V
V
(µs)
(V)
CSx
ZCD
(V)
1.8
1.6
1.4
1.2
7
6
5
4
3
2
1
0
150
140
130
120
110
100
-50
2
1
-50
-50
V
COMP
Vcc = 12 V
Vcc = 12 V
= Upper clamp
0
0
0
Tj (°C)
Tj (°C)
50
Tj (°C)
50
50
j
j
I
ZCD
Upper clamp
Lower clamp
Vcc = 12 V
100
100
100
j
= ±2.5 mA
150
150
150
Figure 17. ZCD source capability vs. T
Figure 18. Gate-drive output low saturation
Figure 19. Gate-drive output high saturation
Vcc - 2.0
Vcc - 2.5
Vcc - 3.0
Vcc - 4.0
Vcc - 3.5
I
ZCDsrc
(mA)
V
4
3
2
1
0
pin7
0
V
-1.5
-2.5
-3.5
-4.5
pin7
[V]
-2
-3
-4
-2
-4
-6
-8
0
-50
0
[V]
Vcc = 11 V
Tj = 25 °C
200
SINK
100
0
200
400
I
GD
I
[mA]
GD
300
Tj (°C)
[mA]
50
600
400
V
ZCD
Vcc = 12 V
= lower clamp
500
800
100
Vcc = 11 V
Tj = 25 °C
SOURCE
600
j
1,000
L6562
150
700
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