Datasheet

TPS22901, TPS22902, TPS22902B
SLVS803C –NOVEMBER 2008–REVISED DECEMBER 2012 www.ti.com
SWITCHING CHARACTERISTICS
V
IN
= 1.8 V, T
A
= 25°C (unless otherwise noted)
TPS22901 TPS22902
(1)
TPS22902B
(1)
PARAMETER TEST CONDITIONS UNIT
MIN TYP MAX MIN TYP MAX MIN TYP MAX
C
L
= 0.1 μF 61 61 302
t
ON
Turn-ON time R
L
= 500 Ω C
L
= 1 μF 72 72 335 μs
C
L
= 3.3 μF 83 83 367
C
L
= 0.1 μF 38 8 8
t
OFF
Turn-OFF time R
L
= 500 Ω C
L
= 1 μF 317 49 49 μs
C
L
= 3.3 μF 1135 169 167
C
L
= 0.1 μF 40 40 220
t
r
V
OUT
rise time R
L
= 500 Ω C
L
= 1 μF 45 45 220 μs
C
L
= 3.3 μF 53 53 235
C
L
= 0.1 μF 111 15 15
t
f
V
OUT
fall time R
L
= 500 Ω C
L
= 1 μF 1020 140 159 μs
C
L
= 3.3 μF 3700 517 481
(1) RL_CHIP = 120 Ω
SWITCHING CHARACTERISTICS
V
IN
= 2.5 V, T
A
= 25°C (unless otherwise noted)
TPS22901 TPS22902
(1)
TPS22902B
(1)
PARAMETER TEST CONDITIONS UNIT
MIN TYP MAX MIN TYP MAX MIN TYP MAX
C
L
= 0.1 μF 45 45 223
t
ON
Turn-ON time R
L
= 500 Ω C
L
= 1 μF 53 53 246 μs
C
L
= 3.3 μF 61 61 268
C
L
= 0.1 μF 38 7 7
t
OFF
Turn-OFF time R
L
= 500 Ω C
L
= 1 μF 314 46 47 μs
C
L
= 3.3 μF 1140 161 158
C
L
= 0.1 μF 32 32 175
t
r
V
OUT
rise time R
L
= 500 Ω C
L
= 1 μF 35 35 175 μs
C
L
= 3.3 μF 41 41 187
C
L
= 0.1 μF 113 14 18
t
f
V
OUT
fall time R
L
= 500 Ω C
L
= 1 μF 1040 139 185 μs
C
L
= 3.3 μF 3795 516 471
(1) RL_CHIP = 120 Ω
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