Datasheet

www.ti.com
PARAMETER MEASUREMENT INFORMATION
R
L
C
L
OUT
t
r
t
f
90%
90%
10%
10%
50%
50%
90%
10%
V
O(OUT)
V
I(EN)
V
O(OUT)
VOLTAGE WAVEFORMS
TEST CIRCUIT
t
on
t
off
50%
50%
90%
10%
V
I(EN)
V
O(OUT)
t
on
t
off
V
I(EN)
5 V/div
V
O(OUT)
2 V/div
R
L
= 20 W,
C
L
= 1 mF
T
A
= 255C
t - Time - 500 ms/div
V
I(EN)
V
I(EN)
5 V/div
V
O(OUT)
2 V/div
R
L
= 20 W,
C
L
= 1 mF
T
A
= 255C
t - Time - 500 ms/div
TPS2045B , TPS2055B
TPS2046B , TPS2047B
SLVS532C – JULY 2004 – REVISED OCTOBER 2007
Figure 1. Test Circuit and Voltage Waveforms
Figure 2. Turnon Delay and Rise Time With 1- μ F Load Figure 3. Turnoff Delay and Fall Time With 1- μ F Load
8 Submit Documentation Feedback Copyright © 2004 – 2007, Texas Instruments Incorporated
Product Folder Link(s): TPS2045B TPS2055B TPS2046B TPS2047B