AS4426 / AS4427 / AS4428
LLC
FIGURE 1. SWITCHING TIME TEST CIRCUIT
+5V
90%
INPUT
≈0.4V
V
D D
= 18V
V
DD
4.7µF
6
INPUT
2,4
5,7
0V
OUTPUT
INVERTING DRIVER
C
L
= 1000pF
0.1µF
OUTPUT
10%
10%
10%
t
D1
90%
t
F
t
D2
t
R
90%
+5V
INPUT
3
≈0.4V
V
DD
OUTPUT
0V
t
D1
10%
10%
90%
90%
t
R
t
D2
90%
t
F
10%
NONINVERTING DRIVER
1B-40
10
–8
9
8
7
6
5
CROSSOVER ENERGY LOSS
A
•
sec
4
3
2
10
–9
4
6
8
10
V
DD
12
14
16
18
NOTE:
The values on this graph represent the loss seen by both
drivers in a package during one complete cycle. For a single
driver, divide the stated values by 2. For a single transition of a
single driver, divide the stated value by 4.
1B-41
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DS064 REV A
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