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L6571B Datasheet(PDF) 4 Page - STMicroelectronics

Part # L6571B
Description  HIGH VOLTAGE HALF BRIDGE DRIVER WITH OSCILLATOR
PDF  7 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L6571B Datasheet(HTML) 4 Page - STMicroelectronics

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background image
-50
0
50
100
150
0.9
1
1.1
1.2
1.3
1.4
1.5
1.6
1.7
Temperature [C]
Dead time [
µsec]
D96IN378A
Figure 3: Typical Dead Time vs. Temperature
Dependency (L6571A).
-50
-25
0
25
50
75
100
125
55
56
57
58
59
60
61
62
63
64
65
Temperature [C]
Frequency [KHz]
D96IN379A
Figure 4: Typical Frequency vs Temperature
Dependency
5
6
7
8 9 1015
2030
40
50
20
30
50
60
70
80
90
100
150
Resistor Value (Kohm)
f (KHz)
Theoretical
C=1nF
C=560pF
C=330pF
D96IN380
Figure 5: Typical and Theoretical Oscillator
Frequency vs Resistor Value
For both high and low side buffers @25
°C Tamb
0
123
45
6
0
50
100
150
200
250
300
C [nF]
time [nsec]
Tr
Tf
D96IN417
Figure 8: Typical Rise and Fall Times vs. Load
Capacitance
02468
10
12
14 VS(V)
10
102
103
104
Iq (
µA)
D96IN418
Figure 9: Quiescent Current vs. Supply Voltage.
L6571A - L6571B
4/7



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