CLM4426 Datasheet, PDF (4/4 Pages) Calogic, LLC – 1.5A Dual High Speed MOSFET Drivers

CLM4426 / CLM4427 / CLM4428
CORPORATION
FIGURE 1. SWITCHING TIME TEST CIRCUIT
2,4
INPUT
V_{D D} = 18V
4.7µF
6
5,7
0.1 µF
OUTPUT
C_L = 1000pF
3
+5V
INPUT
10%
≈0.4V
V_DD
OUTPUT
0V
t _D1
t_F
90%
10%
90%
t _D2
INVERTING DRIVER
t_R
90%
10%
+5V
INPUT
10%
≈0.4V
V_DD
OUTPUT
0V
90%
90%
t _D1
t_R
10%
90%
t _D2
t_F
10%
NONINVERTING DRIVER
1B-40
10 ^–8
9
8
7
6
5
4
3
2
CROSSOVER ENERGY LOSS
10 ^–9
4
6
8 10 12 14 16 18
V_DD
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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