Datasheet

TPS22921, TPS22922, TPS22922B
SLVS749B –NOVEMBER 2008–REVISED MAY 2013 www.ti.com
SWITCHING CHARACTERISTICS
V
IN
= 1.0 V, T
A
= 25°C (unless otherwise noted)
TPS22921 TPS22922 TPS22922B
PARAMETER TEST CONDITIONS UNIT
MIN TYP MAX MIN TYP MAX MIN TYP MAX
C
L
= 0.1 μF 105 105 549
t
ON
Turn-ON time R
L
= 500 Ω, C
L
= 1 μF 136 136 613 μs
C
L
= 3 μF 157 157 683
C
L
= 0.1 μF 46 28 28
t
OFF
Turn-OFF time R
L
= 500 Ω, C
L
= 1 μF 309 186 186 μs
C
L
= 3 μF 983 511 511
C
L
= 0.1 μF 51 51 386
t
r
V
OUT
rise time R
L
= 500 Ω, C
L
= 1 μF 78 78 388 μs
C
L
= 3 μF 88 88 419
C
L
= 0.1 μF 121 34 34
t
f
V
OUT
fall time R
L
= 500 Ω, C
L
= 1 μF 986 306 306 μs
C
L
= 3 μF 3300 908 908
SWITCHING CHARACTERISTICS
V
IN
= 1.1 V, T
A
= 25°C (unless otherwise noted)
TPS22921 TPS22922 TPS22922B
PARAMETER TEST CONDITIONS UNIT
MIN TYP MAX MIN TYP MAX MIN TYP MAX
C
L
= 0.1 μF 91 93 484
t
ON
Turn-ON time R
L
= 500 Ω, C
L
= 1 μF 118 118 540 μs
C
L
= 3 μF 137 137 599
C
L
= 0.1 μF 44 21 21
t
OFF
Turn-OFF time R
L
= 500 Ω, C
L
= 1 μF 311 144 144 μs
C
L
= 3 μF 99 383 383
C
L
= 0.1 μF 46 46 335
t
r
V
OUT
rise time R
L
= 500 Ω, C
L
= 1 μF 60 60 336 μs
C
L
= 3 μF 76 76 363
C
L
= 0.1 μF 122 29 29
t
f
V
OUT
fall time R
L
= 500 Ω, C
L
= 1 μF 1000 224 224 μs
C
L
= 3 μF 3300 732 732
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