l6571 STMicroelectronics, l6571 Datasheet - Page 5

• Manufacturer Part Number: l6571
• Description: High Voltage Half Bridge Driver With Oscillator
• Manufacturer: STMicroelectronics

Figure 3. Typical Dead Time vs. Temperature
Figure 4. Typical Frequency vs Temperature
Figure 5. Typical and Theoretical Oscillator
Dead time [ sec]
65
64
63
62
61
60
59
58
57
56
55
1.7
1.6
1.5
1.4
1.3
1.2
1.1
0.9
Frequency [KHz]
1
-50
-50
f (KHz)
150
100
90
80
70
60
50
30
20
5
Dependency (L6571A)
Dependency
Frequency vs Resistor Value
-25
6
C=1nF
7 8 9 10
0
0
C=560pF
Temperature [C]
Resistor Value (Kohm)
Temperature [C]
25
15
50
C=330pF
20
50
30
75
100
Theoretical
40
100
D96IN379A
D96IN378A
50
D96IN380
125
150
Figure 6. Typical Rise and Fall Times vs. Load
Figure 7. Quiescent Current vs. Supply
Voltage.
Iq ( A)
300
250
200
150
100
time [nsec]
10
10
10
50
10
4
3
2
0
For both high and low side buffers @25˚C Tamb
0
0
Capacitance
2
1
4
2
6
C [nF]
8
3
10
L6571A L6571B
4
Tr
Tf
12
5
14 V
D96IN417
D96IN418
S
6
(V)
5/8