TPS2148
TPS2158
SLVS373 – AUGUST 2001
electrical characteristics over recommended operating junction-temperature range,
2.9 V ≤ V
≤ 5.5 V, T = –40°C to 100°C (unless otherwise noted)
I(VIN/SWIN1)
J
timing parameters, power switches
PARAMETER
TEST CONDITIONS
MIN
0.5
TYP
MAX
6
UNIT
C
C
C
C
C
C
C
C
= 100 µF
= 1 µF
L
L
L
L
L
L
L
L
t
t
t
t
Turnon time, OUTx switch, (see Note 1)
Turnoff time, OUTx switch (see Note 1)
Rise time, OUTx switch (see Note 1)
Fall time, OUTx switch (see Note 1)
R
R
R
R
= 33 Ω
= 33 Ω
= 33 Ω
= 33 Ω
on
off
r
L
L
L
L
0.1
3
= 100 µF
= 1 µF
5.5
10
2
ms
0.05
0.5
= 100 µF
= 1 µF
5
0.1
2
= 100 µF
= 1 µF
5.5
9
f
0.05
1.2
NOTE 1. Specified by design, not tested in production.
undervoltage lockout at VIN/SWIN1
PARAMETER
UVLO Threshold
TEST CONDITIONS
MIN
TYP
MAX
UNIT
V
2.2
2.85
Hysteresis (see Note 1)
260
mV
µs
Deglitch (see Note 1)
50
NOTE 1. Specified by design, not tested in production.
undervoltage lockout at switch 2
PARAMETER
UVLO Threshold
TEST CONDITIONS
MIN
TYP
MAX
UNIT
V
2.2
2.85
Hysteresis (see Note 1)
260
mV
µs
Deglitch (see Note 1)
50
NOTE 1. Specified by design, not tested in production.
4
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