TPS2041B-Q1
TPS2042B-Q1
TPS2051B-Q1
SLVS782A –NOVEMBER 2007–REVISED JUNE 2010
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PARAMETER MEASUREMENT INFORMATION
OUT
t
f
t
r
R
L
C
L
V
90%
10%
O(OUT)
90%
10%
TEST CIRCUIT
50%
90%
50%
50%
50%
V
V
I(EN)
I(EN)
t
off
t
off
t
on
t
on
90%
V
V
O(OUT)
O(OUT)
10%
10%
VOLTAGE WAVEFORMS
Figure 1. Test Circuit and Voltage Waveforms
R
C
T
A
= 10 W,
= 1 mF
= 255C
L
L
V
V
V
V
I(EN)
I(EN)
I(EN)
I(EN)
5 V/div
5 V/div
R
C
T
= 10 W,
= 1 mF
= 255C
L
L
V
O(OUT)
2 V/div
V
A
O(OUT)
2 V/div
t − Time − 500 ms/div
t − Time − 500 ms/div
Figure 2. Turn-On Delay and Rise Time With 1-mF
Figure 3. Turn-Off Delay and Fall Time With 1-mF
Load
Load
8
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