L6668 Просмотр технического описания (PDF) - STMicroelectronics
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L6668 Datasheet PDF : 23 Pages
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Figure 29. S-COMP ramp vs. Tj
Vpin15
2.0
(V)
1.5
Peak
Vcc = 15 V
RS-SCOMP = 3 kΩ
1.0
0.5
Valley
0.0
-50
0
50
100
150
Tj (°C)
Figure 30. UVLO saturation vs. Tj
Vpin4
1
(V)
0.9
Vcc = 0 V
0.8
0.7
0.6
0.5
-50
0
50
100
150
Tj (°C)
Figure 31. Gate-drive clamp vs. Tj
Vpin4 clamp
13
(V)
12.8
Vcc = 20 V
12.6
12.4
12.2
12
-50
0
50
100 150
Tj (°C)
L6668
Figure 32. Gate-drive output low saturation
Vpin4 [V]
5
4
Tj = 25 °C
Vcc = 12 V
SINK
3
2
1
0
0 200 400 600 800 1,000 1,200
IGD[mA]
Figure 33. Gate-drive output high saturation
Vpin4 [V]
Vcc - 2.0
Vcc - 3.0
Vcc - 4.0
Vcc - 5.0
Vcc - 6.0
Tj = 25 °C
Vcc = 12 V
SOURCE
0
200 400 600 800 1,000
IGD[mA]
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